TSI Quest Environmental Monitor EVM Series User Manual

ENVIRONMENTAL MONITOR

EVM SERIES

USER MANUAL

iii Dangers, Warnings, & Cautions

ENVIRONMENTAL MONITOR

EVM SERIES

Dangers, Warnings, & Cautions

DANGER!

Failure to observe the following procedures may result in serious personal injury:

 Not for use in Explosive or Hazardous locations. This product is NOT Intrinsically Safe.

 Contains built-in lithium ion battery pack. DO NOT incinerate or dispose of in fire.

 DO NOT disassemble, alter, or re-construct the li-ion battery.

 Contains Class 3B visible laser radiation source (658 nm, nominal 5 mW). DO NOT look directly into beam or view with telescopic devices.

 This instrument will NOT detect natural gas.

WARNING!

 Read the manual before operation.

 DO NOT store in temperatures exceeding 60°C (140°F) and in direct sunlight.

 DO NOT immerse in liquids.

 The Sensors and batteries in this instrument have limited shelf-life, even if never used.

 DO NOT disassemble, service, or clean the optical engine internal components while power is applied. The laser source can hurt you.

Caution!

General

 Condensation may damage your instrument and its sensors.

 A non-condensing environment is required for proper measurements.

 DO NOT charge batteries outside the range of 0°C to 40°C (32°F to 104°F).

 Battery run-time may be somewhat reduced at lower than 20°C (68°F) temperatures.

Caution!

Temp/RH/Dew Point

The internal Temp/RH sensor in this instrument is not designed for use in bright sunlight or in the presence of a strong radiant heat sources. It is intended primarily for indoor use. It is not equivalent to a protected dry-bulb thermometer.

EVM Series User Manual

iv Dangers, Warnings, & Cautions

Caution!

PM/dust

 Clean the optical engine mirror with a soft cloth, if it is dirty. Scratches will affect performance.

 Avoid measuring wet particles, fogs, and liquid mists that will tend to cling to the impactor, optical engine, tubing, and pump surfaces.

 Avoid oily mists as found near some machining operations.

 This monitor is designed to measure dry particulates, not filaments.

 DO NOT attempt to measure Asbestos with this instrument.

 Keep a "Pump Protection Filter" or other gravimetric filter in place to help prolong the life of the pump.

 You must check and calibrate the flow rate, when using this device as a (gravimetric) sampling pump.

Caution!

CO

2

Avoid exposure to condensation, fogs, and liquid mists that can contaminate the optical path inside the CO

2

sensor.

Caution!

PID

 This instrument cannot detect methane gas.

 For best sensor life, avoid acidic condensing gases.

 The presence of moisture can affect performance of the PID.

Caution!

Toxic

Beware of certain cross-sensitivities when measuring toxic gas levels. Readings can be nonspecific in the presence of certain cross-contaminant gases.

Caution!

ir velocity

The tip of the Air velocity probe is very fragile.


v Dangers, Warnings, & Cautions

FCC Compliance Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial or residential environment. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. If harmful interference occurs, the user will be required to correct the interference at his or her expense.


Table of Contents vii Table of Contents

Table of Contents

Dangers, Warnings, & Cautions ....................................... iii

Table of Contents.............................................................. vii

Introduction ......................................................................... 1

Particulate Sampling (Aerosols/Dust Vapors) ................. 2

Particulate Path ............................................................... 2

Particulate Sizes .............................................................. 3

Particulates and Cut-Point ............................................... 4

Collecting/Sensing the Particulates ................................. 4

Gravimetric Sampling ...................................................... 4

Pump ............................................................................... 4

Gas Sensors Sampling ....................................................... 4

Gas Sensors and Path .................................................... 5

Volatile Organic Compounds (VOCs) Sampling .............. 6

Temperature, Relative Humidity, Dew Point .................... 6

What the Standards Say ..................................................... 6

Resources ....................................................................... 7

EVM Series .......................................................................... 8

Applications ..................................................................... 8

Models Explained ............................................................ 9

Getting Started .................................................................. 11

Checking the Equipment .................................................. 11

Display and Keypad .......................................................... 12

Diagram ......................................................................... 12

Keypad description ........................................................ 12

Turning on ......................................................................... 13

Start Screen Explanation ............................................... 13

Navigating ...................................................................... 14

Indicators/Icons on the display ...................................... 14

Turning Off ........................................................................ 15

Instrument Information .................................................... 15

Unit Information Screen ................................................. 15

TSI Detection Management Software DMS .................... 17

Communicating ................................................................. 17

Powering and Outputs on the EVM ............................... 17

Battery ...................................................................... 17

Charging ................................................................... 18

Outputs ..................................................................... 18

Setting up the Environmental Monitor ............................ 19

Setting up Parameters via the Keypad ........................... 19

Time and Date Setting ................................................... 19

Checking Battery Power ................................................ 20

Display: Language, Contrast, and Key Click ................. 22

Setting Logging and Viewing Run Time ........................ 23

PID Sensor Setup .......................................................... 25

Changing Units (Temperature, Particulates, PID, and Air Velocity) ......................................................... 27

Setting up Particulate Settings ...................................... 27

Setting Profiles (Particulate Correction Factors) ........... 28

How Particulate Factors are Adjusted and Calculated .. 28

Dust Correction Factors (Profiles) ............................ 28

Particulate Pump: Enable or Disable ............................. 30

Resetting the Gravimetric Filter ..................................... 30

Auxiliary Input/Output .................................................... 31

Digital Output ........................................................... 31

Air Velocity ..................................................................... 33

Analog-out ..................................................................... 33

Restoring Default Factory Settings ................................ 34

Backlight Setting ............................................................ 36

Resetting the EVM ......................................................... 36

Lock/Secure Run and/or Setup ..................................... 36

Unlock run and/or setup ................................................ 38

Auto-run ......................................................................... 38

Auto-run and timed-run mode .................................. 38

Auto-Run with Date Mode ........................................ 39

Auto-Run with Day of Week (DOW) Mode ............... 40

Calibrate Sensors ............................................................. 43

Placement and Calibration of Sensors ........................... 43

Calibrating sensors include: .......................................... 43

Inserting and Removing Sensors .................................. 43

Calibrating Particulates .................................................. 44

Impactor and use ........................................................... 45

Adjusting the Impactor/Turret Setting ............................ 46

Particulates Calibration (Zero Cal) ................................ 47

Particulate Advanced Calibration (Gravimetric) ............ 51

Gravimetric Calibration Overview ............................ 52

Performing a Gravimetric Calibration ............................ 52

Pump Flow Rate Calibration .......................................... 53

Toxic Gas Sensors ........................................................ 54

Cross Sensitivity ............................................................ 55

How Sensors Operate .............................................. 55

Quality Calibrations ....................................................... 55

About Sensors and Cal Storage .................................... 55

Calibration History and Sensor Serial Numbers ............ 55

Applying a Gas Sensor .................................................. 56

Calibrating Toxic Gas Sensors ...................................... 56

Toxic Gas Zero Calibration ...................................... 57

Ozone Calibration for Zero and Span ...................... 57

Toxic Gas Span Calibration ..................................... 59

Calibrating CO

2

AND O

2

................................................ 60

O

2

Accuracy .............................................................. 60


viii Table of Contents

Calibrating Photo-Ionization Detector (PID) Sensor ...... 63

PID parts per million (ppm) zero calibration ............. 63

PID parts per billion (ppb) zero calibration ............... 63

PID Span Calibration ............................................... 64

Calibrating Relative Humidity and Temperature ........... 66

Calibration History ......................................................... 67

Verify Calibration and Drifting Analysis ......................... 68

Measuring and Viewing .................................................... 71

Overview of Running a Session ...................................... 71

Quick Help ..................................................................... 71

Measuring .......................................................................... 71

Understanding What Data is Stored .............................. 72

Summary Data ......................................................... 72

Logged Data/Time History ............................................. 72

Running and Stopping ................................................... 73

Measurement Screens and Navigation ........................... 74

Unit defined ................................................................... 74

About the Measurement Soft Keys ................................ 75

Particulate Measurement Screen .................................... 76

Impactors and Particulate Measuring ............................ 76

Extending Run-Time for PM Measurements ................. 76

Changing Particulate Measurements ............................ 77

Relative Humidity and Temperature Measurements ..... 78

Relative Humidity and Temperature Screen ................. 78

Gas Measurements ........................................................... 79

Gas Screen .................................................................... 79

Composite Measurement ................................................. 80

Composite Screens ....................................................... 80

Air Velocity Meaursurement Screen ............................... 81

Summary Data ................................................................... 82

Viewing Details in the Measurement Screen ................ 82

Trend Data ......................................................................... 83

Viewing trend data in the measurement screen ............ 83

Past Session...................................................................... 84

Summary Data Screen .................................................. 84

File System Menu ............................................................. 86

Deleting Sessions Individually ....................................... 86

Delete All Sessions ....................................................... 87

Memory Remaining and File Properties ........................ 88

Estimated Run Time ...................................................... 89

Detection Management Software .................................... 91

Environmental Monitor Communication ........................ 91

Downloading Data with the EVM ..................................... 93

EVM: Viewing Data ........................................................... 93

Selecting a session/study .............................................. 93

EVM Panel Layout View (PLV) Page ............................ 94

EVM Reports and Printing ................................................ 96

Customizing Reports ..................................................... 97

EVM Setup .................................................................... 98

Saving and Sending Configurations ......................... 98

General EVM Setup ....................................................... 99

EVM General Parameters Table .............................. 99

EVM and Logging Settings .......................................... 100

EVM Logging Parameters Table ............................ 101

EVM and Auto-Run Setting ......................................... 101

Timed-Run and Auto-Run Setting .......................... 102

Date and Auto-Run Setting .................................... 102

Day of Week and Auto-Run Setting ....................... 103

EVM and Security Settings .......................................... 104

EVM and Triggering Settings....................................... 104

EVM and Particulate Settings ...................................... 106

EVM and Particulates Setup .................................. 106

EVM Firmware Update ................................................ 107

Maintenance and Cleaning............................................. 109

Overview .......................................................................... 109

PID Sensor .................................................................. 109

Removing and Installing PID Sensor ........................... 110

Maintenance and Cleaning Overview of PID ............... 111

Cleaning PID Sensor ................................................... 111

Optical Engine: Maintenance and Cleaning ................ 113

Impactor Care .................................................................. 116

Impactors and When To Clean .................................... 117

Gravimetric Cassette and Filter Paper .......................... 117

Specifications .................................................................. 119

Particulate Sensor .......................................................... 119

Volatile Organic Compounds (VOCs) Gas

Detector (PID Sensor) ..................................................... 119

Carbon Dioxide Sensor .................................................. 120

Relative Humidity Sensor............................................... 120

Temperature Sensor ....................................................... 120

Toxic Gas Sensors .......................................................... 121

Air Velocity Accessory (Optional – Air Probe 10)........ 121

Displayed Data ................................................................ 121

Electrical Characteristics ............................................... 122

Environmental effects .................................................... 122

Physical characteristics ................................................. 122

Measurements units ....................................................... 122

Operating Modes ............................................................. 123

Time Constants ............................................................... 123

Special Functions ........................................................... 123


ix Table of Contents

Estimated Logged Run Times ....................................... 124

Standard EVM-7 (Memory and logged time) ............... 124



Accessories: Replacement and Optional Parts ........... 128

Customer Service ........................................................... 131

Technical Support Contacts .......................................... 131

Service Contact Information .......................................... 131

Returning for Service ..................................................... 132

Calibration ....................................................................... 132

Warranty .......................................................................... 133

Glossary of Terms .......................................................... 135

Appendix C ...................................................................... 141

PID sensor and correction factors tables .................... 141

Appendix D ...................................................................... 151

Frequently Asked Questions (FAQs) ............................ 151

List of Figures

Figure 1-1: Particulate path diagram .................................... 2

Figure 1-2: Particulates and diameter size ........................... 3

Figure 2-1: Identifying your equipment ............................... 11

Figure 2-2: EVM keypad and display explained ................. 12

Figure 2-3: Start screen defined ......................................... 13

Figure 2-4: Unit Information screen .................................... 15

Figure 2-5: Selecting Unit Info. Sensors ............................. 16

Figure 2-6: Viewing installed sensors ................................. 16

Figure 2-7: Communicating with DMS via USB cable ........ 17

Figure 2-8: USB, power jack and digital output port ........... 18

Figure 3-1: Time-Date screen parameters ......................... 20

Figure 3-2: Start screen ...................................................... 21

Figure 3-3: Battery screen .................................................. 21

Figure 3-4: Screen display settings .................................... 22

Figure 3-5: Logging screen ................................................. 24

Figure 3-6: Estimated run time for logging screen .............. 25

Figure 3-7: PID correction factor ......................................... 26

Figure 3-8: PID correction factor displayed on measurement screens .................................................... 26

Figure 3-9: Units screen ..................................................... 27

Figure 3-10: Edit profiles for dust calibration ...................... 29

Figure 3-11: Entering a profile for particulate calibration .... 29

Figure 3-12: Particulate setup screen ................................. 30

Figure 3-13: Configuring digital output................................ 32

Figure 3-14: Air Velocity setting .......................................... 33

Figure 3-15: Analog out results with temperature as output ......................................................................... 33

Figure 3-16: Analog-Out screen ......................................... 34

Figure 3-17: Defaults screen (restoring factory settings) .... 34

Particulate Measurements ........................................... 151

Gravimetric Sample (optional for particulate calibration) ................................................................ 153

Toxic Sensor Measurements ....................................... 154

Pump/Airflow Measurements ....................................... 155

Digital Output (using stereo plug & diagram) .............. 156

PID Questions (for Volatile organic compound measurements) ........................................................ 157

Power........................................................................... 158

Alarm Outputs .............................................................. 158

General: Mechanical .................................................... 159

CO

2

Sensor and how to reorder .................................. 159

CO

2

Sensor and how to reorder (continued) ............... 160

Calibrating Sensors ..................................................... 160

Appendix E ...................................................................... 163

System Errors Displayed on the EVM Series ............... 163

INDEX ............................................................................... 165

Figure 3-18: Restoring default calibrations ......................... 35

Figure 3-19: Backlight key .................................................. 36

Figure 3-20: Lock Soft key .................................................. 37

Figure 3-21: Setting lock/secure ......................................... 37

Figure 3-22: Selecting auto-run with timed-run mode......... 38

Figure 3-23: Setting timed-run and duration ....................... 39

Figure 3-24: Selecting auto-run with date mode ................. 39

Figure 3-25: Setting auto-run date mode ............................ 40

Figure 3-26: Setting auto-run DOW mode .......................... 41

Figure 4-1: Sensor housing and manifold ........................... 43

Figure 4-2: Sensors’ locations ............................................ 44

Figure 4-3: How the impactor functions .............................. 45

Figure 4-4: PM2.5 impactor setting example ...................... 46

Figure 4-5: Adjusting impactor/turret setting ....................... 47

Figure 4-6: Particulate zero cal with HEPA filter ................. 48

Figure 4-7: Selecting calibration screen ............................. 48

Figure 4-8: Particulate cal screen ....................................... 49

Figure 4-9: Particulate calibration and ready screen .......... 49

Figure 4-10: Particulate calibration and waiting screen ...... 50

Figure 4-11: Particulate calibration pause screen .............. 50

Figure 4-12: Zero Cal set for Particulates ........................... 51

Figure 4-13: Reset gravimetric setting ................................ 52

Figure 4-14: Pump flow rate calibration .............................. 53

Figure 4-15: Flow Rate Calibration ..................................... 54

Figure 4-16: Calibration history for EVM ............................. 55

Figure 4-17: Applying a gas sensor .................................... 56

Figure 4-18: Selecting sensor for calibration process......... 57

Figure 4-19: Calibration zero screen .................................. 58

Figure 4-20: Calibration zero pause screen ........................ 58


x Table of Contents

Figure 4-21: Span Calibration ............................................. 59

Figure 4-22: Saved Calibration screen ............................... 60

Figure 4-23: Selecting a calibration sensor ........................ 61

Figure 4-24: Calibration CO2 ready screen ........................ 61

Figure 4-25: Setting CO

2

Span Cal screen ......................... 62

Figure 4-26: Saved Calibration ........................................... 62

Figure 4-27: Selecting PID sensor for calibration process ......................................................... 63

Figure 4-28: Calibration mode screen ................................ 64

Figure 4-29: PID Calibration Span soft key ........................ 65

Figure 4-30: Saved Calibration screen ............................... 66

Figure 4-31: Temperature calibration ................................. 67

Figure 4-32: Calibration History screen .............................. 67

Figure 4-33: Calibrate offset verify screen for

PID sensor ...................................................................... 68

Figure 4-34: Calibrating PID ............................................... 68

Figure 5-1: Quick help list for running a study .................... 71

Figure 5-2: Sample summary data from DMS reporting ..... 72

Figure 5-3: Sample time history data (or logged data) chart ................................................................................ 73

Figure 5-4: Composite measurement screen in run mode ........................................................................ 73

Figure 5-5: Example of measurement soft key menus ....... 75

Figure 5-6: Particulate Measurement screen ..................... 76

Figure 5-7: Selecting a measurement calculation .............. 77

Figure 5-8: RH and temperature measurement screen ...... 78

Figure 5-9: Gas measurement screen ................................ 79

Figure 5-10: Composite measurement screen ................... 80

Figure 5-11: Attaching Air Probe and measuring

Air velocity ...................................................................... 81

Figure 5-12: Details of the composite measurement screen ............................................................................. 82

Figure 5-13: Selecting Trend soft key ................................. 83

Figure 5-14: Trend Screen for PM (Dust) ........................... 84

Figure 5-15: Past session screen ....................................... 84

Figure 5-16: Past Session with Files selected .................... 85

Figure 5-17: Summary screen of a past session ................ 86

Figure 5-18: Delete session message ................................ 87

Figure 5-19: Delete all sessions message .......................... 87

Figure 5-20: File Systems properties screen ...................... 88

Figure 5-21: Viewing estimated run time ............................ 89

Figure 6: Communicating with the EVM and DMS ............. 91

Figure 6-1: DMS Start page and Setup/Download options ............................................................................ 92

Figure 6-2: EVM and downloading ..................................... 93

Figure 6-3: Data finder page ............................................... 94

Figure 6-4: Charts and Graphs (panels) ............................. 95

Figure 6-5: EVM data in a report format ............................. 96

Figure 6-6: Customizing DMS reports ................................ 97

Figure 6-7: Saving and sending EVM setups ..................... 98

Figure 6-8: General EVM setups ........................................ 99

Figure 6-9: Logging EVM setups ...................................... 101

Figure 6-10: EVM Timed-Run Auto-Run setting ............... 102

Figure 6-11: EVM Auto-Run with Date setting .................. 103

Figure 6-12: EVM Auto-Run with Day of Week setting ..... 103

Figure 6-13: EVM Auto-Run with Day of Week setting ..... 104

Figure 6-14: EVM Triggering setup ................................... 105

Figure 6-15: EVM Auto-Run with Day of Week ................ 106

Figure 7-1: Removing and inserting PID sensor ............... 110

Figure 7-2: Removing intelligent-sensor casing with PID ........................................................................ 111

Figure 7-3: Removing the lamp with removal tool ............ 112

Figure 7-4: Remove/insert PID sensor with lamp

& pellet .......................................................................... 112

Figure 7-5: PID sensor cleaning kit ................................... 112

Figure 7-6: Fitting/Inserting the lamp and pellet ............... 113

Figure 7-7: Optical engine and cleaning ........................... 114

Figure 7-8: Cleaning the optical engine ............................ 115

Figure 7-9: When to clean impactors ................................ 117

Figure 7-10: Gravimetric cassette and filter paper maintenance ................................................................. 117

List of Tables

Table 2-1: Keypad/user interface explained ....................... 13

Table 2-2: Indicators (i.e., run, stop, battery, Altf ............... 14

Table 3-1: Display settings explained ................................. 22

Table 3-2: Logged intervals and selecting logged measurements ................................................................ 23

Table 3-3: Digital out/Logic settings .................................... 31

Table 4-1: Cross-sensitivity table of interfering gas ............ 55

Table 4-2: Gas calibration soft keys explained ................... 58

Table 5-1: Unit abbreviations .............................................. 74

Table 5-2: Measurement soft keys explained ..................... 75

Table 5-3: Measurement values explained ......................... 78

Table 5-4: Past session files soft keys explained ............... 85


.

1 Introduction

Table of Contents

CHAPTER

1

Introduction

The EPA (Environmental Protection Agency) conducted a study over the last 25 years (1975-2000) and determined that 107 measurable air pollutants, specifically carcinogens, exist in working environments.

Combined with the advent of closed windows, modern office buildings and various cleaning solvents, the outcome has been energy efficient buildings and homes which contain levels of carcinogens. At high levels, this is known as “Sick Building syndrome” and can cause acute effects such as headaches, eye/nose/throat irritation, dry cough or itchy skin, fatigue, and trouble concentrating just to name a few.

Area monitoring or spot checking for high levels of pollutants, such as particulates, VOCs, and toxics, should be a common practice to ensure good indoor air quality exists in your environment. If poor air quality is determined, engineering controls such as proper air ventilation and the removal of toxic gases, would be put into place in order to provide an adequate working/living environment.

The EVM is equipped to measure several different airborne containments or air pollutant applications including:

 Particulate matter sampling (dust monitoring)

 Gas sampling

 Temperature sampling

 Relative Humidity and Dew Point sampling

To get you started quickly with the EVM, the first chapter is dedicated to introducing basic particulate matter and toxic gas information. The subsequent chapters will guide you through setting up the EVM, running studies, and assessing your results with easy to follow steps and illustrations.

Caution

The EVM is intended to measure gases that are potentially dangerous to human health. To help ensure worker safety through the proper use of your unit, it is important that you not only read but also understand the contents of this manual. Familiarize yourself with the unit before using it in a potentially hazardous situation.


2 Introduction

Particulate Sampling (Aerosols/Dust Vapors)

Particulate Sampling (Aerosols/Dust Vapors)

The EVM is a portable-area monitoring instrument with a laser-photometer that measures and stores concentration levels of airborne-dust over time. It is designed to measure and help you identify the air pollutants, existing as matter (gases and aerosols) in the environment. The methodology used entails a handful of components including: an air inlet, the impactor (which is the particle size selector), the collection of particulates, gravimetric sampling, and the pump which are addressed in the upcoming sections.

Particulate Path

(1) TURRET

Air travels though the impactor and the larger, heavier particulates will stick to the greased plates within the impactor.

(2) OPTICAL ENGINE

While the pump maintains the flow rate, the smaller lighter particulates will pass through the optical engine.

(3) GRAVIMETRIC CASSETTE

The particulates will collect/trap in the gravimetric filter/cassettes.

❶

(4) PUMP

The remaining clean/filtered air passes through the pump.

(5) FLOW SENSOR

The clean/filtered air passes through flow sensor (flow-control orifice hole).

(6) OUTLET

Lastly, it passes through to the Outlet on the back of the instrument.

❻

❷

❺

❸

❹

Figure 1-1: Particulate path diagram


3 Introduction

Particulate Sampling (Aerosols/Dust Vapors)

Particulate Sizes

Aerosols and gases are experienced in industrial processes, workplaces, and in everyday life. Keeping in mind that inhalable dust is 100 microns and smaller, this dust is usually filtered through the hairs and membranes in your sinuses. 10 microns and smaller is considered “thoracic”, 4-10 microns is “inhalable” reaching into your windpipe and other regions, and 4 microns and smaller is “respirable”. These particulate sizes will represent what you will be measuring.

The figure below identifies different types and sizes of particulates and how it affects the human body.

Aerosols and

Particles

Medical implications

----Liquid : Mist --------------►

----Solid: Fume ---►

◄-------Spray ----------------

◄------Particulates ----------

.01

◄ --Oil smokes ---►

◄------------Cement dust -----------►

--Fly ash ---------------------- ◄ ---------------

---Tobacco smoke --►

◄ --------------- Coal dust ---------------►

◄ --Pollens -------------►

◄-Atmosphere/Airborne--► inhalable particulates

◄-Wood .►

Dust

◄-Textiles --►

Dust

--------Respirable pm ---------►

(inhaled & penetrates the lungs)

--Thoracic pm ------------------------►

(inhaled & penetrates the larynx/throat)

---------------------------Inhalable pm ------------------►

(inhaled via the nose and /or mouth)

0.1 1 10

Particle matter (pm) diameter μm

100

Figure 1-2: Particulates and diameter size

1000


4 Gas Sensors Sampling

Particulates and Cut-Point

Particulates and Cut-Point

In consideration of how the size of particulates affect the human body, it is important to select a particulate size cut-point. Essentially, the particle size selector on the EVM is a top-mounted rotary impactor. Based on your setting, it will filter out all particulates at or above the selected size. The instrument has four settings which include 2.5 μm, 4 μm, 10 μm, or none (100 μm). (This is explained in

more detail in Chapter 4 .)

Collecting/Sensing the Particulates

Once the impactor setting is selected, the EVM collects (or measures) real-time aerosol/dust concentration using a 90º optical light scattering photometer to determine the total mass concentration

(in units of mg / m 3 ) of particulate matter. Additionally, gravimetric sampling, a more accurate method, is also used to determine the mass of particulates.

Gravimetric Sampling

Gravimetric sampling is a type of filtering process in which the particulates are collected and filtered into the gravimetric cassette after the dust passes through the optical engine of the

EVM. A user supplied sealed gravimetric cassette can be used in place of the cassette provided by TSI. The sealed cassette can be sent to a laboratory for analysis. This testing is typically used to measure personal exposure to inhalable dust concentrations.

Pump

The pump is used in the particulate sampling process as a source of air movement so the particulates are aspirated (or suctioned out) and collected for measurement. The flow rate is 1.67 Liter per minute.

The pump is typically calibrated before each gravimetric sampling.

Gas Sensors Sampling

The EVM uses a unique smart sensor technology includes automatic sensor recognition and measures up to three gases simultaneously: a selection of optional nine toxic gases, Carbon Dioxide, combustible gases, and VOCs.


5 Gas Sensors Sampling

Gas Sensors and Path

Gas Sensors and Path

TSI’s unique smart sensor technology includes automatic sensor recognition, calibration levels, temperature compensation information and other valuable data that travels with the sensor from one unit to another.

The following diagram illustrates the gas sensor path for Toxic, CO

2

, and PID sensors. It also identifies the temperature sensor for additional analysis/measurements.

Air inlet cover

(1) AIR INLET COVER

The path begins with the air pulling through the air inlet cover.

(2) GAS SENSOR CHAMBERS

The air continues through the gas sensor bar passing the Toxic, PID, and

CO

2

sensor chambers.

(3) Fan

It is continuously ventilated by the fan.

( NOTE : When the pump is off, the fan can be heard near the louvers on the back cover.)

(4) Temperature sensor

Measures the ambient air temperature.

❶

❷

❹

Temperature sensor

Gas sensor(s) path

❸

Fan

Very quiet!

Figure 1-3: Gas sensor path illustration


6 Introduction

Volatile Organic Compounds (VOCs) Sampling

Volatile Organic Compounds (VOCs) Sampling

According to the American Lung Association, Volatile Organic Compounds (also referred to as VOCs) are one of the top Indoor Air Quality (IAQ) pollutants. These include:

 Biological agents (mold, dust, mites, etc.)

 Formaldehyde

 Second-hand tobacco smoke

 Volatile organic compounds (measured with a PID detector)

Serious, long-term exposure could lead to health affects including leukemia, cancer, eye and respiratory irritations and short term effects such as dizziness, memory loss, and visual impairments.

With the EVM you have the following parameters:

 Range 0 to 2,000 ppm Isobutylene.

 Calibrated with Sensitivity 1.0, using Isobutylene. Response varies with each VOC.

 Units selection: ppm, ppb, mg/m 3 (for ppm PID sensor) or µg/m 3 (for ppb PID sensor).

Temperature, Relative Humidity, Dew Point

It is important to monitor temperature, control moisture, relative humidity, and monitor dew point levels in occupied spaces such as office buildings, schools, and hospitals, to name a few. With the presence of too much moisture mixed with dirt/dust particles, this can contaminate the environment and enable mold to thrive. High levels of relative humidity (RH) is a contributor of spreading and growing biological pollutants such as molds, mildew, viruses, mites, building dust, and pollen. Failure to control water leakage from humidifiers, refrigerators, and ventilation equipment can also lead to high levels of RH and high Dew Point. For appropriate air quality control, RH levels should be maintained between 30 to

50 percent in a home/office environment. Some of the common side effects include nausea, headaches, running nose, coughing, and difficulty breathing to name a few.

What the Standards Say

Many organizations have studied and analyzed the effects of toxic gas and particulate exposures. As a result, standards were developed to regulate exposure. In the United States, the Occupational Safety and Health Administration (OSHA), the Mine and Safety and Health Administration (MSHA), and the

American Conference of Governmental Industrial Hygienists (ACGIH), NFPA (National Fire and

Protection Agency), National Institute and Technology (NIST), and American Society of Heating,

Refrigeration, and Air-Conditioning (ASHRAE) have all created regulations and limitations on total permissible exposure levels.

International standards are specified by the health and safety regulations such as the European Union

(EU) and the European Committee of Air Handling and Refrigeration Equipment Manufacturers

(EUROVENT-CEDOMAF). For Canadian standards, the Canadian Standards Association (CSA) specifies air quality guidelines/regulations.


7 What the Standards Say

Resources

Resources

To access some of these copyrighted standards, refer to the following:

OSHA http://www.osha.gov

NFPA-654 http:///www.nfpa.org

MSHA

NIOSH http://www.msha.gov

http://www.cdc.gov/niosh

ACGIH

ASHRAE

NIST

IEC

CSA http://www.cdc.gov/niosh http://www.ashrae.org

http://www.nist.gov

http://www.iec.ch

http://www.csa.ca


8 EVM Series

Applications

EVM Series

Applications

A real-time, direct reading dust monitor is used in many different applications such as walk-through surveys in manufacturing, wood making plants and/or bakery shops, background sampling, site dust measurements, assessment of the effectiveness of dust control systems, and measurement of indoor air quality (IAQ). It is also used to analyze work-place exposure and help identify dust control techniques such as training or implementing engineering controls.

Time history: manufacturing

 Industrial setting - Used to monitor and ensure health and safety in settings where toxic fumes are released

(such as testing levels at a paper mill or a foundry). This information can be used to identify the source and particle concentrations.

 Sick Building syndrome – Used to evaluate air toxins and ensure building standards maintain a comfortable work setting.

 Work site assessments.

 Military applications.

 Outdoor monitoring applications include construction sites/dust outside of mines.

 Regulatory compliance (i.e., OSHA, MSHA, IEC,

ACGIH).

 As a mapping device - Layout a grid of high contaminant areas, and quickly collect sample data at multiple locations to help identify paths and sources, by relative readings.

 As a survey monitor

 Specific area in a plant/facility – used to maintain a quality work environment and conduct area monitoring samples throughout an entire facility.



Specific areas in a plant/facility - used to identify key areas that may be toxic or unsafe and implement acceptable practices such as changes in the ventilation.


9 EVM Series

Models Explained

Models Explained

The EVM Series simultaneously measures and data logs specific sensors/parameters that were ordered with your instrument. The models, sensors, and accessories are explained in detail below. Refer to the part’s listing for further details (such as calibration accessories).

Optional Sensor Accessories

 Air Probe-10

Models and Sensors

EVM-7 includes:

 Particulates

 Carbon monoxide (CO) or (1) selectable toxic gas

 Selectable toxic gas sensors include:

1. Carbon Monoxide (CO) 2. Chlorine (CL2)

3. Ethylene Oxide (ETO) 4. Hydrogen Cyanide (HCN)

5. Hydrogen Sulfide (H

2

S) 6. Nitric Oxide (NO)

7. Nitrogen Dioxide (NO

2

) 8. Oxygen (O

2

)

9. Sulphur Dioxide (SO

2

)

 Volatile Organic Compounds with PID ppm or PID ppb sensor

 ppm – parts per million (0 – 2,000 ppm)

 ppb – parts per billion (0 – 50,0000 ppb)

 Relative Humidity

 Temperature

 Carbon Dioxide (CO2)

EVM-4 includes:

 Carbon monoxide (CO) or selectable toxic gas


 Temperature

 Carbon Dioxide (CO

2

)

EVM-3 includes:



 Temperature


 Toxic sensor/CO sensor

 CO

2

sensor

 PID sensor



 Toxic sensor/CO sensor

 CO

2

sensor

 PID sensor


10 EVM Series

Models Explained

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11 Getting Started

Checking the Equipment

Getting Started

CHAPTER

2

This chapter is designed to guide you through basic information you will need to begin measuring with your environment monitor.

Checking the Equipment

If your instrument was sent to you in a storage case, remove all the packaging and acquaint yourself with the following equipment.

NOTE : Depending on the accessories you selected, the EVM may have the components displayed in

Figure 2-1. For additional sensors or other accessories, refer to “ Replacement parts .”

Environmental Monitor

(EVM)

DMS software

Sample senor (Your sensors will be calibrated and placed inside the instrument, depending on what you ordered. The sensor type is labeled on the side of the cylinder.)

HEPA filter/Zero filter for particulate calibrations

Silicone grease (for greasing impactors )

Figure 2-1: Identifying your equipment

USB cable- connects to the external output of the EVM to your PC

**Universal Power adapter

(External Power supply for

EVM)

Example of a cal gas and regulator

PID cleaning kit (for measuring VOCs) (Cotton swabs, cleaning solution, & electrode pellets


12 Display and Keypad

Diagram

Display and Keypad

The keypad is used to run and stop your studies, view your measurement values, select appropriate setup parameters, and power on and off.

Diagram

The following diagram explains the features on the display and keypad.

1.

Display

2.

Backlight

3.

Particulate pump

4.

Left arrow

5.

Run ► /Stop ■

6. Indicators

7. Soft Keys

8. Up arrow

9. Alt f key

10. Enter key

11. Right arrow

12. Down arrow

13. On/Off and Esc

Figure 2-2: EVM keypad and display explained

Keypad description

Keypad

1. Display

2. Backlight

3. Particulate pump

4. Left arrow

5. Run/Stop

6. Indicators

7. Soft keys

8. Up arrow

Explanation

Used to view data, menus, and various indicators.

Used to illuminate the background of the display screen. (i.e., nighttime study.)

Used for particulate measuring. Toggles the internal pump on and off (used for particulate measurements)

Used to toggle through the views and to move left through menu selections.

Used to Run or Stop log session.

Status information is provided by the instrument at the top of the display.

The soft keys are only applicable when a second menu appears above the keys. For example, in the Dust measurement screen, a lookup soft key, a trend menu, and a detail menu appear directly above the soft keys on the display.

Used to select menu options (in the setup screens) and select measurement values

(or data).


13

Keypad

Turning on

Start Screen Explanation

Explanation

9. Alt f key The Alt f key (or Alternate Functions) is used to switch between soft key menu and selected menu. This is an option in various screens (ie, calibration screens).

10. Enter key

11. Right arrow

12. Down arrow

Used to open a selected menu. Toggles through selected measurement parameters when viewing measurement screens.

Used to toggle through the views and to move right through menu selections.

13. On/Off/Escape

Used to select menus options (in the setup screens) and select measurement values

(or data).

Used to turn on the EVM, turn off, and to Escape (or move back one screen).

Table 2-1: Keypad/user interface explained

Turning on

1. To turn on the EVM, press the On/Off / Esc .

 A TSI splash screen will appear including the firmware version name.

 Proceeding the splash screen, you will be viewing the Start screen .

Start Screen Explanation

The main screen you encounter and is referenced throughout the manual is the Start screen. From the start screen, you can access the measurement screens, the setup screen, calibration screens, file system screen (used to view past sessions and clear data), and unit information screen (includes serial

number information). (The measurement screens are explained in more detail in Chapter 5 .)

1.

To select a menu option, press ▲ / ▼ Arrows and then press Enter . (This will open the selected menu screen.)

2.

To view the measurement screens, press the Right or Left Arrow ◄ / ► and this will toggle you through the measurement views.

Indicators





Battery power:

Stop: ■

Start Screen

Press the left or right arrow key to toggle through measurement views.

Menu options

A selected menu is indicated by the shaded text.

Screen descriptions

A note explaining how to access the measurement screens by pressing the right or left arrows.

Figure 2-3: Start screen defined


14 Turning on

Navigating

Navigating

Once the EVM is powered–on, press the Up/Down Arrow ▲ / ▼ key to select a menu or to edit a field.

Press the Left/Right Arrow ◄ / ► key to scroll through measurement screen, start screen, or to move right or left in a menu (i.e., setup menu).

Press Enter key to open a selected screen (i.e. Setup screen). It is also used to save Setup parameters.

The On/Off/Esc key also functions as a navigational tool and is used to move back one screen (or escape). It can be used if you are viewing a Setup screen, File System screen Calibration screen or Unit

Information screen. At any time, you can cancel a set-up change, file system change (etc…) by pressing the On/Off/Esc key.

Indicators/Icons on the display

The EVM is equipped to notify you of operational/status updates. These indicators (or alert notices) are located at the top of the screen. Table 2-2 explains the function of each indicator.

Indicator Icon Explanation

■

►

OL

UR

00:00:00

Stop – indicates the instrument is currently in the stop status (opposed to run).

Run - indicates the instrument is currently logging a session/study.

Battery charge status - This icon shows the renaming capacity of the batteries. A full battery indicates the instrument is fully charged.

Pause – The pause indicator is shown during the 5 second countdown to prime the airflow prior to entering the run mode when a log session is started.

Overload – will appear whenever the level measurement exceeds the range of the instrument.

Alt f key (Alternate Function key) - this icon appears below the Battery Charge

Indicator when alternate functions are being displayed. (For example this is used in the Trend screen to view the time history on the chart.

UnderRange – will appear whenever a level measurement is below the range of the instrument.

Run Time – displays the current elapsed log session run time. When elapsed time is less than 100 hours, time is displayed as HR:MIN:SEC. When the elapsed time has exceeded 100 hours, time is displayed as HR:MIN where HR uses 4 digits and

MIN uses 2 digits.

Table 2-2: Indicators (i.e., run, stop, battery, Alt f )


15 Getting Started

Turning Off

Turning Off

When turning off the EVM, ensure you are in stop mode. A stop indicator will appear on the top left next to the battery charge status icon. If it is in run mode, stop the session and then proceed below.

1. From any measurement view or the start screen, press the On/Off Esc .

2.

“3, 2, and 1” countdown will appear as the EVM is powered off. Continue to press and hold until the instrument is powered off.

 NOTE: To cancel the shutdown process, release the On/Off/Esc key and it will return you to the screen you were previously viewing (i.e., PM measurement screen).

 Auto-Run Note: If an auto-run session has been set, the auto-run summary screen is

displayed prior to turning off. See section, Auto-Run in Chapter 3 .

Instrument Information

The general information screen also called the “unit info” screen is used occasionally to check the type of instrument you purchased and displays the serial number and firmware versions.

Unit Information Screen

 Opening the unit info screen

1. Turn on the EVM by pressing the On/Off/Esc .

2. In the start screen, press the down arrow repeatedly until Unit Info is selected and press

Enter .

The unit info screen will appear.

EVM Hardware Revision

Look-up key

Serial number

Firmware version of other software sub-system

Figure 2-4: Unit Information screen

3.

To view the installed sensors, repeatedly press Enter and it will display the Unit Info screen with the installed sensors. (See Figure 2-6).


16 Instrument Information

Unit Information Screen

4.

Or press the Look-up key. Then press the ▲ / ▼ Arrow to select and press Enter to open the screen. (Repeat this step to view the other sensor.)

Look-up key

EVM-7

Sensors 1 - 3

Sensors 4 - 7

Impactor and profile displayed.

Pop-up box

Appears when you press the

Look-up key .

Sensors

Select and then press Enter to view the sensor’s parameter

Figure 2-5: Selecting Unit Info. Sensors

5.

Unit Info screens are displayed below.

 Screen “ A ” displays the particulates (PM), temperature (temp), and humidity as “Installed” or

“Enabled” sensors.

 Screen “ B ” displays CO

2

, CO (or installed toxic sensor), and PID with the associated serial numbers. Air Velocity is listed as “ Not Found ” which indicates that the sensor was not installed.

A B

Figure 2-6: Viewing installed sensors


17 TSI Detection Management Software DMS

Powering and Outputs on the EVM

TSI Detection Management Software DMS

DMS is a software application designed by TSI that runs under the Windows operating system. You can use DMS for a variety of functions such as: customizing your set-up parameters, displaying data, manipulating data, and creating reports.

Communicating

A USB cable (included in the kit) is used for communicating between the EVM and the software. (First remove the black rubber casing over the ports and then insert the USB cord in the bottom connector.)

(See Chapter 6 for more details on software and the EVM.)

Figure 2-7: Communicating with DMS via USB cable

Powering and Outputs on the EVM

Battery

The battery is an internal Lithium-ion Rechargeable battery pack. The minimum hours of operating time is 8 hours of continuous operation including setup time, run time, and viewing your result time. This battery is not user accessible or replaceable.

The universal power adapter cord is a 10 to 16 volt power inlet (nominal 12 VDC) with 1.5 amps and is used as an external power source. (For more details on battery power, see “Checking battery power” in

Chapter 3 ).


18 Communicating

Powering and Outputs on the EVM

Charging

The rechargeable battery pack is charged by plugging in the universal power adapter cord into the charging-port and into an electrical outlet. When using the EVM and the power adapter, it will charge as you use the instrument. The estimated time to recharge a fully discharged battery pack is approximately five hours. It is important to understand that the USB connection/cable will not charge the internal battery. USB is used for communication purposes only.

 NOTE: When the batteries are depleted and if you are charging the instrument, the temperature sensor will read at a higher level. Thus, it is recommended to measure the temperature when you are not charging the instrument.

About the Environment

If the environment you are in is above 40º C (104º F) when charging the battery then you will be unable

to charge the battery. (See Appendix D for screen warnings.)

Outputs

The digital output and/or analog output can be used to connect to external devices such as a chart recorder or a light notification device. The monitor’s digital out and analog out channel are accessible through the Input/Output connector. The air velocity wand also uses this connector. (The following diagram depicts the backside of the instrument without the back cover and the black rubber casing

removed.) For more information on connecting and using a stereo plug, see Appendix D .

Power jack

Analog & Digital Outputs

USB port

Figure 2-8: USB, power jack and digital output port


19 Setting up the Environmental Monitor

Setting up Parameters via the Keypad

Setting up the Environmental Monitor

CHAPTER

3

The focus of this chapter is to address all of the setup options available on the Environmental Monitor

(EVM). Once your parameters are selected, refer to the Calibration chapter (see Chapter 4 ).

 NOTE: If you are using DMS, you may want to program all of your settings via the software. The program allows you to save setups and apply them for future measurements/tests. Refer to

Chapter 6 , for DMS details.

Setting up Parameters via the Keypad

The following user-adjustable setup screens are explained will appear for all instrument models:









Time and date screen

Battery power check screen

Logging screen includes selecting the logging interval, averaging time, and logged measurements

Display settings include: key clicks, language, and display contrast features

 Setting up Input/Output (I/O) options including digital-out, air velocity, or analog-out

If you ordered the EVM-7 model, a Particulate setup menu and a PID setup menu will also appear.

Time and Date Setting

The EVM uses a 24-hour clock (military time) and specifies date by day, month, and year. The date and time setting are important elements used as you are analyzing your log data results.

 Changing time and date settings

1.

Turn on the EVM by pressing On/Off/Esc .

 The Start screen will appear (see Figure 3-2 for details).

2.

Ensure Setup is highlighted and press Enter . (The Setup menu will appear.)

3.

In the Time/Date screen, press the ▲ / ▼ Arrows to select Time field or Date field. (Note the Day field will update automatically based on the selected day from the date field.)

 NOTE: It will be highlighted when selected.

4.

Press Enter to move to the update fields (2 nd column).

5.

To change the field values, press ▲ / ▼ Arrows . To move to the next field, press the right/ left arrow key. Repeat this step as necessary.

 To return to the first column field (Time, Date, or Day), repeatedly press

On/Off/Esc to cancel session.

Enter or press


20 Setting up Parameters via the Keypad

Checking Battery Power

6.

Continue to repeat steps 3-5 until all changes have been made.

Time

Date

Day – auto fills based on what you entered in the

Date field

Figure 3-1: Time-Date screen parameters

7.

Press the On/Off/Esc twice to return to the start screen.

 Remember, once you return to the start screen, you can press the right or left arrows to toggle through the measurement screens.

Checking Battery Power

The battery power is supplied by an internal lithium-ion rechargeable battery pack with a minimum of

8 hours of continuous operation.

 NOTE: The battery pack is not-user replaceable and would need to be changed at TSI or your authorized dealer.

The battery screen is used to determine the battery capacity status. When operating from the battery, you can check the remaining capacity of the battery pack at any time by accessing the Battery screen.

Additionally, a battery indicator will be present on all screens to notify you of the remaining battery capacity. If the battery indicator is at 100%, it will look similar to the Figure 3-3 below.

If you are charging the battery, the battery screen will display “battery is charging” with an updating indicator bar. The battery power percentage will update accordingly.



Checking Battery Power

 Check battery power

1.

From the start screen, highlight Setup (by pressing ▲/▼ Arrows ) and press Enter .

 NOTE: If viewing a measurement screen, press the right/left arrow until the start screen appears.

Start screen

Highlighting indicates “Setup” menu is selected

Measurement screens

Press right or left arrow to view

Figure 3-2: Start screen

2.

Repeatedly press ▲/▼ Arrows until Battery is selected.

3.

In the Battery setup screen, it will display the remaining capacity on the battery pack.

4.

To return to the Start screen, press On/Off/Esc twice.

Battery indicator has all bars representing fully charged battery

Indicates remaining battery capacity

Figure 3-3: Battery screen



Display: Language, Contrast, and Key Click

Display: Language, Contrast, and Key Click

In the display screen, there are three selectable settings including language, contrast, and key click.

Display settings

Language

Contrast

Key Click

Explanation

With the language setting, there are six options including: English, Spanish,

German, French, Italian, and Portuguese.

With the contrast setting, you may want to adjust the shading of the display

(or screen contrast) by darkening or lightening the screen to fit the environment you will be operating the instrument in. The contrast setting ranges from 1-12 in which 12 represents the darkest and 1 represents the lightest.

With the key click setting, you can turn the sound to “on” and each time you press a key on the keypad you will hear a soft click sound. This can be disabled by choosing the “off” setting.

Table 3-1: Display settings explained

 Changing language, contrast, and key click settings

1.

From the start menu, press ▲/▼ Arrows to select Setup and press Enter .

2. Repeatedly press the ▼ Arrow to select the Display menu and press Enter .

3. To select a field in the display screen, press ▲/▼ Arrows to select one of the fields. Press Enter

to move to the 2 nd column (changeable field).

4. Follow the fields that apply:







To change the Language , press ▲/▼ Arrows to select a specific language. Press Enter to move back to left column or escape to cancel selection.

To change the Contrast , press ▲ Arrow repeatedly or press ▼ Arrow repeatedly to decrease the contrast setting. Press Enter to move back to left column or escape to cancel selection.

To change the Key click sound setting , press ▲/▼ Arrows until On/Off is displayed. Press

Enter to move back to the left column or escape to cancel selection.

Display fields

Select the field (via up/down arrows). Press

Enter. To change 2 nd column, press up/down arrows.

Figure 3-4: Screen display settings



Setting Logging and Viewing Run Time

5. To return to the Start screen , repeatedly press On/Off/Esc .

Setting Logging and Viewing Run Time

With the logging screen, you select the logging interval (i.e., 1 min. data logging), the averaging parameter (i.e., a type of data filter) and which parameters will be logged and stored into memory. An optional field, Run Time, allows you to view the amount of remaining log time when logged parameters are selected.

For logging, there are two selectable fields- the logging interval rate and the measurement averaging.

Log intervals

Log interval

Averaging

Explanation

This sets the log interval between specific data points. For example, if logging is set to 5 second intervals, then all parameter values are logged every 5 seconds. The logging parameters options are as follows: 1 second,5 seconds,

15 seconds, 30 seconds, 1 minute, 5 minutes, 10 minutes, 15 minutes, and 30 minutes, and 60 minutes.

The Averaging parameter is used to average all measurements displayed on the screen. If averaging is set to 15 then the last 15 measurements are averaged. (New measurements are updated every second.) This averaged value is displayed on the monitor. It’s basically a data filter. The averaged data will change less rapidly than the 1 second data since it is averaged. The user options are 1 – 30 with increments by 1 interval.

 NOTE: 15 second averaging is recommended for the average setting. All the sensors have settling times of 10 seconds or longer.

Measurements Selectable logged measurements: Level, Lmin, Lmax, Lavg, and STEL.

If the measurement is set to “ On ”, this indicates the instrument will log data at the logged interval (i.e., while in run mode). “ Off ” indicates the measurement will not log when in run mode.

The measurements include the following: Level (instantaneous or averaged measurement), STEL (short term exposure level calculated over last 15 minutes), Lmax (maximum measurement during log interval), Lmin (minimum measurement during log interval), Lavg (average measurement during log interval), and TWA (time weighted average measurement during interval).

Run Time

 NOTE : See “Table 5-3” for more information.

Depending on the logged parameters that are turned “On” for data log and the log interval, the Estimated Run Time screen will display the total remaining run time. For example, if you want to log all parameters the overall run time will decrease significantly. If you would like to extend the run time to a longer duration, logging one or two parameters would be advisable.

Table 3-2: Logged intervals and selecting logged measurements


24 Setting up the Environmental Monitor

Setting up Parameters via the Keypad

 Set logging intervals, logging attributes, and view run time

1. From the start menu, press ▲ / ▼ Arrows to select Setup and press Enter . Select Logging and press Enter .

2. To change Logging Interval or Averaging follow below:

 Press ▲ / ▼ Arrows to select Logging interval or Averaging.

 Press Enter to move to the changeable field, and then press ▲ / ▼ Arrows.

 Press Enter to return to the 1 st column and save your settings.

3. To enable/disable logging, follow below:

 Select a measurement by pressing ▲ / ▼ Arrows .

 Once selected, press Enter (this will move your cursor to the “On/Off” field.)

 Press ▲ / ▼ Arrows to toggle and select On or Off .

 Press Enter again to return to the measurement.

 Repeat step 3 until all logging parameters are enabled/disabled.

Logging time/averaging time

Logging attributes/measurements

Run Time

When selected, the estimated run time screen displays the total remaining time.

Figure 3-5: Logging screen



PID Sensor Setup

4. Optional : To view the Estimated Run Time, select this field (by pressing ▲ / ▼ Arrows ) and press

Enter . The estimated run time screen will appear.

 NOTE : To extend the logging time, turn a logged measurement(s) to “Off” and/or change the log interval. Then, re-check the estimated run time.

Estimated run time

** NOTE : To increase the total duration, log only one or two measurements and/or change the log interval.

Figure 3-6: Estimated run time for logging screen

5. Press On/Off/Esc repeatedly to return to the Start screen.

PID Sensor Setup

For best PID testing results, it is recommended to add a correction factor to the relevant VOC you intend

to measure. Refer to the PID correction factors table in Appendix C for more details.

Additionally, the PID setup screen is used to set the ppb zero cal to either enabled or disabled

(if applicable).



PID Sensor Setup

 Setting PID correction factor and/or ppb zero cal

1.

From the start menu, press ▲ / ▼ Arrows to select Setup and press Enter .

2.

Select PID by pressing ▲ / ▼ Arrows and press Enter .

3.

In the PID screen, select either ppb zero cal or the PID factor by pressing ▲ / ▼ Arrows .

4.

Press Enter

to move to either the disabled/enabled field or the value field. Press

▲ / ▼

Arrows to change the value. Press Enter

to save your changes.

5.

Press On/Off/Esc repeatedly to return to the start screen.

PPB Zero Cal

Press up/down arrows to select either enabled/disabled. Press Enter to save.

PID Factor

Press up/down arrows on keypad to change value.

Press Enter to save.

Default soft key

Press to restore PID factor to default (“1”).

Figure 3-7: PID correction factor/ppb setup

 NOTE: When changing PID factor to a value excluding “1”, the PID correction factor will appear as a subscript on the measurement screens. Two samples are displayed below:

PID and correction factor

The applied correction factor “3.5” is displayed in the Gas measurement screen.

Figure 3-8: PID correction factor displayed on measurement screens

PID and correction factor

Displayed in the Composite measurement screen.



Changing Units (Temperature, Particulates, PID, and Air Velocity)

Changing Units (Temperature, Particulates, PID, and Air Velocity)

In the units screen, the temperature, particulates, and the air velocity values can be displayed in different measurement units.

 Temperature’s setting is either Celsius (ºC) or Fahrenheit (ºF) with ºC as the default.

 Particulates setting is either in mg/m 3 (milligrams per cubic meter) or µg/m 3 (micrograms per cubic meter).

 PID PPM/PPB sensor (VOCs) setting is either PPM or mg/m 3 . PPB or μg/m 3 .

 Air velocity setting is in meters per second or feet per minute.

NOTE : If you do not have an air velocity sensor connected, it will not be displayed in this screen.

 Changing temperature, particulates and/or air velocity units

1.

From the Start screen (see Figure 3-2 for details), select Setup and press Enter .

2.

In the Units screen, press ▲ / ▼ Arrows to select the Temperature , PM (Particulates), or

Air Velocity field.

3.

Once selected, press Enter

to select the units field.

4.

Press ▲ / ▼ Arrows to select the appropriate unit.

5.

Press Enter

to save and move back to the first column.

6.

To return to the start screen, press On/Off/Esc twice to return to the screen.

Units

Temperature

Particulate Measurements, PID, or Air Velocity.

Screen message

Press the Enter key setting. to save the changed

Figure 3-9: Units screen

Setting up Particulate Settings

There are four parameters in the particulate screen which include:

 Particulate field - enables and disables when measuring particulates. (If disabled, it will not enable the pump during run mode.)

 Profile field – used to select the active particulate profile. The active profile can be edited by pressing the edit quick key.

 Gravimetric Mass and Gravimetric volume fields – displays the accumulated theoretical particulate mass and air volume which has passed through the gravimetric filter (since the last gravimetric reset). These can be reset by pressing the reset quick key.



Setting Profiles (Particulate Correction Factors)

Setting Profiles (Particulate Correction Factors)

The EVM supports eight different particulate matter (PM) profiles with customized name settings and user correction factor settings. When the profile field is selected from the particulate menu, you are able to edit this field by pressing the Edit soft key. Once opened, you can change the profile name and correction factor setting. ( NOTE: Each profile stores up to four calibration verifies.)

1. Profile Name: You can change profile name and assign up to eight characters.

2. Factors: A user will have different correction factors based on the type of dust you are measuring.

How Particulate Factors are Adjusted and Calculated

All particulate profiles are factors are calibrated to Arizona Road Dust (ARD) with its particle size and composition. Other dust compositions can be measured accurately by adjusting a profile’s correction factor.

 NOTE : For best measurement results, it is recommended to enter in the dust correction factor prior to your particulate study. (This may require a gravimetric sampling.)

To calculate a correction factor , follow the guidelines below:

1.

Run the instrument in the applicable environment for a set period of time/volume (i.e., 6–8 hours).

 Accumulators:

 The gravimetric mass accumulator will display the amount of dust accumulated based on the active profile.

 The gravimetric volume accumulator will display the amount of volume passed through the gravimetric filter.

2.

After the run, check the gravimetric mass accumulator, compare to what was actually measured from the lab, and enter in a correction factor.

 For example, before measuring ensure the gravimetric accumulators are reset and the gravimetric filter is replaced. Next, you measure for four hours and the gravimetric accumulator is displayed as 10 mg. Then, you measure the dust in the gravimetric filter (or cassettes) and determine the actual weight. If the actual weight is 20 mg, you would change the correction factor from 1 to 2.

Dust Correction Factors (Profiles)

When setting up the particulate parameters, it is good to keep in mind that the user defined profiles (or correction factors) are a submenu of the particulate menu. Because of this layout, the following section explains how to change the profiles/correction factors and apply a new profile.

 Setting dust correction factors (profiles)

1.

From the Start screen, select the Setup menu by pressing ▲ / ▼ Arrows and press Enter .

2.

Press ▲ / ▼ Arrows repeatedly until Particulate is selected and press Enter setup screen will appear.)

. (The particulate

3.

Ensure Particulate is set to Enabled . (If not, press ▲ / ▼ Arrows to enable and press Enter to return to the first column.)



How Particulate Factors are Adjusted and Calculated

4.

Select the Profile field by pressing ▲ / ▼ Arrows and press the Edit soft key.

Profile

Select this field and then press Edit soft key to modify the Profile screen.

Edit soft key

Visible when profile menu item is highlighted

Figure 3-10: Edit profiles for dust calibration

5.

Press the Edit soft key and the Edit Profile screen will open.

Profile name

Optional: customize the profile name

Factor

Figure 3-11: Entering a profile for particulate calibration

6.

( Optional , see step seven if not changing profile name.) To change the name of the profile, ensure the profile field is selected and press the Enter . Press ▲ / ▼ Arrows

To move to the next position, press ◄ / ► Arrows then press Enter .

to change the characters.

7.

Press ▼ Arrow to select the Factor and press Enter

to move to the 2 nd column. Press ▲ / ▼

Arrows to change the numeric value. Press the left/right arrow key to move to the next position.

Continue this process until the appropriate number is selected and press Enter to confirm or

Esc key to cancel changes.

8.

Press the On/Off/Esc to return to the particulate screen.

9.

To apply a new profile, select the profile field and move to the second column (by pressing

Enter .) Then continuously press selected. Press Enter

▲ / ▼ Arrows until the appropriate profile/correction factor is

to return to the first column.

10.

Press On/Off/Esc twice to return to the start screen.



Particulate Pump: Enable or Disable

Particulate Pump: Enable or Disable

You may want to disable the particulate pump for situations in which the environment is too dirty for the particulate optical engine or if you want to keep the engine and pump clean and dry from oily mists, liquids, or fogs elements. Additionally, you may want to log other parameters, such as CO

2

, Toxic, and/or temperature and humidity parameters and exclude the particulate measurements from a log session. This is changeable in the particulate screen.

 Enable/Disable the pump

1.

From the Start screen, select the Setup menu by pressing ▲ / ▼ Arrows and press Enter .

2.

Press ▲ / ▼ Arrows repeatedly until Particulate is selected and press Enter setup screen will appear.)

. (The particulate

3.

To enable/disable the particulate setting/pump, ensure Particulate is selected and press

Enter .

. (Refer to Figure 3-7 4.

Press ▲ / ▼ Arrows to select either Enabled or Disabled and press Enter to view a sample screen.)

5.

Press On/Off/Esc twice to return to the start screen.

Resetting the Gravimetric Filter

The Gravimetric accumulators display the calculated accumulated mass of particles and the accumulated volume through the gravimetric filter (since the last time these accumulators were reset).

At the same time, the particles are actually collected in the gravimetric cassette in the back of the unit.

Typically the gravimetric accumulators are reset when the gravimetric cassette is replaced by the user.

 Resetting gravimetric filter

1. From the Start screen (see Figure 3-2 for details), select Setup by using ▲ / ▼ Arrows . Press

Enter .

2.

Press ▲ / ▼ Arrows to select the Particulate screen and press Enter will appear.)

. (The particulate screen

3.

To reset the Gravimetric filter, select the Grav. Mass/Grav. Volume fields by pressing ▲ / ▼

Arrows. Once selected, the Reset soft key will appear. Press this soft key to reset.

Reset soft key

Visible when grav. mass menu item is highlighted

Displays accumulated particulate mass & volume

Figure 3-12: Particulate setup screen



Auxiliary Input/Output

4.

To return to the main menu, press On/Off/Esc twice.

Auxiliary Input/Output

Digital Output

With the digital output function, the user can connect an external device to the monitor. This can be used to signal a specific level to turn on a notification device, an LED, or a fan motor at a specific threshold (or set point). Once enabled, the following three are selectable parameters: a sensor, logic setting, and threshold setting.

Sensors

When setting the Digital Output (“Digital-Out”) parameters, one of the seven selectable sensors is used to trigger the output of the external device which includes:

 RH (relative humidity), CO

2

(Carbon Dioxide), Temp (Temperature), PM (particulate matter), PID

(for measuring VOCs), Toxic gas (i.e, CO), and Dew Point.

 NOTE : Air Velocity cannot be selected as a sensor.

Logic and Threshold

There are four selectable “Logic” types which is used in combination with the Threshold field to trigger on and off the external device. These are explained in the table below.

 NOTE: The digital output is an open collector output and as such requires the user to install a pullup resistor.

Digital Out/Logic

Active High Pulse

Active Low Pulse

Active High

Explanation

The output will assert an active high pulse for approximately 50 msec when the threshold is exceeded.

The output will assert an active low pulse for approximately 50 msec when the threshold is exceeded.

The output will be at a logical high level when the threshold is exceeded.

Active Low

Threshold

The output will be at a logical low level when the threshold is exceeded.

Enter in a value to trigger the external device to turn on or off.

Table 3-3: Digital out/Logic settings

 NOTE: The system maintains a hysteresis window around the threshold to prevent output chattering.

 Setting or changing digital output

1.

From the Start screen, select Setup menu and press Enter

2.

Press ▼ Arrow repeatedly until Aux I/O and press Enter

3.

Select Digital Out and press Enter .

.

.



Auxiliary Input/Output

4.

In the Digital-Out screen do one of the following:

 Dig-Out field: select via ▲/▼ Arrows and press Enter

Enable/Disable .

 Sensor field: select via ▲/▼ Arrows and press Enter one of the sensors .

 Logic field: select via ▲/▼ Arrows and press Enter of the triggering modes.

 Threshold field: select via ▲/▼ Arrows and press Enter a value.

. Press

. Press

▲/▼

. Press ▲/▼ Arrows to select

▲/▼ Arrows

. Press

Arrows to to select one

▲/▼ Arrows to select

5.

To return to the Start screen, press the On/Off/Esc twice.

Digital Output parameters

Figure 3-13: Configuring digital output



Air Velocity

Air Velocity

Setting the air velocity parameter is fairly simplistic; however, ensure no other outputs are enabled prior to setup. (The EVM will display a pop-up message if more than one output is enabled. You will have to disable all other auxiliary outputs before proceeding with air velocity setting.) When air velocity is

“enabled”, you can measure/log with the TSI Air Probe10 (optional accessory).

 Setting air velocity

1. From the setup screen, select Aux I/O and press Enter .

2. Press ▲ / ▼ Arrows to select Air Velocity and press Enter enabled or disabled, press Enter .

. To change the setting from either

Air Velocity – disable/enable

Figure 3-14: Air Velocity setting

3. Press ▲ / ▼ Arrows to change the setting.

 NOTE: If you have either the digital-out or analog-out setting enabled, a pop-up message will appear explaining to change the other settings before enabling air velocity.

4. Press On/Off/Esc twice to return to the start screen.

Analog-out

The analog-out channel provides a voltage reading that is proportional to the sensors output. The analog-out channel can be configured to track any installed sensor. The example displayed in

Figure 3-12 shows the results of measuring with the thermometer from 0 to 60ºC reading from 0 to

5 volts.

60

ºC 40

20

0

0 1 2 3 4 5 6 7 8 9 Hours

Figure 3-15: Analog out results with temperature as output



Restoring Default Factory Settings

 Setting Analog-Out

1. From the setup screen, select Aux I/O and press Enter .

2. Press ▲/▼ Arrows to select Analog-Out and press Enter .

3. To enable or disable, press Enter

when

Analog-out is selected and press change the setting. Press Enter

to move back to the 1 st column.

▲/▼ Arrows to

4. To select a sensor, ensure Sensor is selected and press Enter . Then, press ▲/▼ page through the selection list. Once the appropriate sensor is selected, press Enter

Arrows

.

to

5. To return to the start screen, press On/Off/Esc twice.

Disable/Enable Analog-out field

Select a Sensor

Figure 3-16: Analog-Out screen

Restoring Default Factory Settings

The EVM is equipped to restore all factory settings and factory calibration settings via the Defaults screen.

 NOTE : Dew Point and Air Velocity are not user calibrated and therefore, not listed in the restore factory calibration screen.

1.

In the Setup menu, press ▲/▼ Arrows until Defaults is selected (or highlighted).

2.

Press Enter

(to open the screen).

Restoring Default settings

Select either (or both) to restore all factory cals/settings.

Figure 3-17: Defaults screen (restoring factory settings)



Restoring Default Factory Settings

3.

To restore the Factory Calibration , ensure this is selected and press Enter .

 To restore defaults for a selected sensor (s), select a sensor using ▲/▼ Arrows and press

Enter

Enter

. In the pop-up screen, select “

.

Yes ” via the Left Arrow (or No to cancel) and press

 Repeat as necessary to restore each selected sensor.

 To restore all sensors, select All Sensors (via up/down arrows) and select Yes in the pop-up screen (or No to cancel). Press Enter .

Restoring Default Cals

Select a sensor, Choose Yes or No with the screen prompt and press Enter key.

Figure 3-18: Restoring default calibrations

4.

To restore the Factory Settings , press ▲ / ▼ Arrows to select and press Enter .

 A Restore Factory Settings pop-up screen will appear. Press either Yes or No (with ◄ / ►

Arrows and Enter

to confirm).



Backlight Setting

Backlight Setting

A key on the keypad is dedicated to turning on or off the backlight feature. When turned on, the backlight will illuminate the screen from a dark gray to a light gray color. This feature has two levels of brightness.

When turning on, click the backlight key once for a lighter backlight. Press a second time for a darker contrast.

To turn off, repeatedly press the backlight key until it is turned off.

Backlight key

Press to turn on. This feature has three levels

(off, dim, bright).

Figure 3-19: Backlight key

Resetting the EVM

At times, you may need to reset the instrument if it is unresponsive.

1. To manually reset, press and hold On/Off/Esc for about 8–10 seconds and the instrument will power off.

Lock/Secure Run and/or Setup

The lock or security feature is designed to lock the EVM during a run to ensure the session will not be stopped unless the lock feature is disabled. Likewise, this feature includes a locked (or secure) setup mode which will stop you from editing a set-up. Once one or both of these options are programmed with a code, it is set by pressing the Lock soft key in the Setup menu.

 NOTE: When securing or locking the instrument, it will be in lock mode even when powered off/on.



Lock/Secure Run and/or Setup

 Setting lock setup or run

1. From the Start screen, select and open the Setup screen.

2. Press the Lock soft key.

Lock

Opens to the Lock screen.

Figure 3-20: Lock Soft key

3. In the Lock/Security Modes screen, Run and Setup are “disabled” as the default setting.

4. To enable either one, first select Run or Setup fields (by using Up/Down Arrows ).

5. Press Enter

and the first field will be shaded/selected, and then press change the numeric value.

▲ / ▼ Arrows to

Adding a numeric password

 Press Up/Down arrows to enter a number.

 Press Left/Right arrow keys to move to the next field.

 Repeat as necessary.

Figure 3-21: Setting lock/secure

6. Repeat step 5 until the password is entered. When you press Enter for the fourth digit, a secure run mode or secure setup pop-up will appear as confirmation. Once set, the field will display

“Enabled”.

7. Once enabled, follow one of the scenarios below:

 For Secure run mode to occur, navigate to one of the measurement screens and press the

Run key. A “Secure Run Mode” screen will appear.

 For Secure setup mode to occur, navigate to the setup screen and the “Secure setup mode” screen will appear.



Unlock run and/or setup

Unlock run and/or setup

When in secure run mode or secure setup mode, a quick press of the lock/unlock soft key and entering in the password will unlock the instrument. (See steps 5 and 6 above to for more information on entering in the password.)

 NOTE: If the entered password to unlock the instrument was forgotten, a default TSI password can be used in lieu of the entered password, “9157”.

Auto-run

The EVM has four programmable auto-run settings including a timed-run, a date, a day of week (DOW), and a disabled mode.

The EVM is shipped with the auto-run set to the disabled mode. Each mode has more than one setting and is denoted by the “ + ” (plus) or “ – ”(minus) soft key symbols. When an alarm is activated (or programmed), a “ + ” (plus) sign appears. The default alarm mode is set to an off mode and is denoted via a minus symbol (i.e., “ – ”).

Auto-run and timed-run mode

With timed-run, you manually start the run (via the run key), and it will automatically stop based on the programmed duration.

 Setting auto-run with timed-run mode

1. From the Start screen, select and open the Setup screen.

2.

Select Auto-Run by pressing ▲ / ▼ Arrows and press Enter .

3.

In the Auto-Run screen, press enter to select Timed-Run . If it is not displayed, press ▲ / ▼

Arrows repeatedly until selected.

4.

Next, press the ONE soft key or select View/Set Parameters .

Auto-Run and Timed Run setting

 Select Timed-run by pressing Enter and then press Up/Down arrows to move through the menu.

Timed Run soft key

 Select first soft key to access the Timed run screen

Figure 3-22: Selecting auto-run with timed-run mode



Auto-run

5.

In the timed-run screen, press Enter

to select the duration field which is displayed in hours, minutes, and seconds. To change the duration, press ▲ / ▼ Arrows . To move between the fields, press ◄ / ► Arrows . (Repeat as necessary).

Duration

 Select the hours/minutes/seconds with up/down arrows and press Enter to move to the next field.

Figure 3-23: Setting timed-run and duration

6.

Press Enter

to save your settings.

 NOTE : To begin the Timed-run, press the run/stop key and the instrument will automatically stop at the programmed duration.

Auto-Run with Date Mode

With the date mode, it will wake up the instrument from a powered down or on condition, runs the study, saves it, then powers down again. Up to four date settings are programmable with a specified date, time

(in hours, minutes, seconds), and duration via the soft keys.

 Setting auto-run with date mode

1.

From the Start screen, select and open the Setup screen.

2.

3.


Press Enter

to select the 2nd column (value field) and press

Date appears.

▲ / ▼ Arrows repeatedly until

4.

Next, press one of the soft keys. (This will open a Date/Auto-Run screen.)

Soft keys

 Select a soft key to setup the Date Auto-Run parameters

 Once set, “-one” will appear as “+one” which is turned on.

Figure 3-24: Selecting auto-run with date mode



Auto-run

5.

6.

If off appears under Auto-Run , press Enter (or skip and see step 6).

To change the fields press ▲ / ▼ Arrows . To move to the next field(s) press ◄ / ► Arrows .

Repeat as necessary.

Start time

Select time of day

(24 hour clock) by pressing up/down arrows

Corresponds to soft key

Auto-Run with Date

Select day, month, year

Duration

Press up/down arrows to select hours, minutes, seconds

Figure 3-25: Setting auto-run date mode

7.

To save, press Enter

key. Press key until you return to the start screen.

 NOTE : To initiate the programmed run, either power down the instrument or leave on.

Auto-Run with Day of Week (DOW) Mode

The days of the week (DOW) setting is a pre-programmed weekly auto-run with a specified day, start time, and duration with two auto on settings. The programmable settings include a day of the week, start time, and duration.

 Setting auto-run with day of week mode

1.

From the Start screen, select and open the Setup screen.

2.


3.

In the Auto-Run screen, press Enter and press ▲ / ▼ Arrows repeatedly until DOW appears.

4.

Press one of the soft keys (one or two).

5.

In the DOW Auto-Run screen, press ◄ / ► Arrows to move through the Days, Time and Duration fields. Press ▲ / ▼ Arrows to change the value.



Auto-run

6.

When programmed, press Enter . Press key repeatedly to return to the main screen.

Days

Optional Programming is set from Sunday through

Saturday. Example displays Monday through Friday

S (hours:mins:secs)

Start time is programmed at 8 am

D (hours:mins:secs)

Duration is programmed for 4 hours

Figure 3-26: Setting auto-run DOW mode

 NOTE : To initiate the programmed run, either power down the instrument or leave on.



Auto-run



43 Calibrate Sensors

Placement and Calibration of Sensors

Calibrate Sensors

CHAPTER

4

Placement and Calibration of Sensors

Before you begin your measurement sampling, it is recommended to calibrate the sensors you will be using. This chapter focuses on inserting and removing sensors, calibrating each sensor, viewing past calibrations, and how to verify your calibration set points. (Reference the following sections which apply to your installed sensor components.)

Calibrating sensors include:

 Particulate sensor

 Pump flow rate calibration

 CO

2

and O

2

sensor

 Toxic sensors

 Photo-Ionization Detector (PID) sensor (for VOCs)

 Temperature (temp) and Relative humidity (RH) sensors

Inserting and Removing Sensors

1.

The sensors you purchased with your EVM will be inserted, factory calibrated, and ready for usage.

To understand how to insert or replace a sensor this is discussed in the procedures below.

 NOTE

: To order new sensors when expired, see Appendix A , Replacement and optional parts.)

 Inserting sensors

2.

Ensure the instrument is turned off and the external power cord is disconnected. Next, remove the sensor bar by unscrewing two screws from the top compartment with a screw driver.

3.

Lift the cover off and set aside. (The location of the sensors is indicated in Figure 4-2.)

4.

Remove the black manifold casing.

Manifold

Sensor housing

Figure 4-1: Sensor housing and manifold


44 Placement and Calibration of Sensors

Calibrating Particulates

5.

To insert a sensor, gently push the sensor’s pins into the socket pin of the circuit board so it aligns accordingly. It will fit securely.

6.

To remove a sensor, pull the senor up horizontally and remove it from the sensor chamber.

7.

When completed, replace the black manifold over the sensors and then place the cover over the sensor housing. Tighten the screws back into place.

Air inlet cover

Screw 1

Dial-in Impactors

Toxic sensor

Sensor bar- Remove screw 1 & screw 2 and lift off cover.

Temperature/

Relative Humidity sensor

(Dry bulb thermometer measures ambient air temperature)

Screw 2

PID sensor

CO

2

Sensor

Figure 4-2: Sensors’ locations

 NOTE: The Temperature/ Relative Humidity sensor is not user removable.

 NOTE: The user will receive a message on the display when a new sensor is detected or an existing sensor is no longer detected.

Calibrating Particulates

The EVM is factory calibrated to the “Arizona Road Dust” (also called “ISO Road dust” ISO 12103-1 A2

Fine) standard.

Before you measure particulates, it is recommended to calibrate to the environment you are in. If you are in an ARD environment, you would adjust the impactor to correlate with a specific particulate setting, run a calibration based on the particulates in that environment, and compare the results against the

ARD calibration. If you are in any other environment, you would calibrate based on the environment you are in by determining a correction factor (also called “K-factor”) to the correct variation from the ARD calibration standard.



Impactor and use

The EVM supports eight different user profiles. Each profile stores a customizable profile name field, and a correction factor. (Setting-up profiles/correction factors is discussed in the Set-up chapter,

“Setting profiles for particulates”).

The following sections will walk you through how the impactor operates, how to adjust the impactor, how to run a zero calibration, and lastly running a gravimetric calibration.

Impactor and use

The impactor is a device used to remove larger sized particulates from the air-stream you are measuring.

How does it operate?

Air travels through the impactor and the heavy particulates will stick to the greased plates within the impactor (1). The Pump will circulate the air as it passes through the tubing in the back of the instrument (2). The smaller, lighter particulates will pass through the optical engine (3) and collects in the gravimetric filter/cassettes (4).

2. Pump – circulates the air through the tubing

1. Filters through impactor

3. Passes through optical engine

4. Collects in Grav. filter/cassettes

Figure 4-3: How the impactor functions

 NOTE: Depending on the environment (i.e., a dense, dusty manufacturing plant), you will want to ensure the impactor is well greased and cleaned before using. Additionally, it is recommended to monitor this process while measuring. You may need to stop your measurements, clean and grease the impactors, and then resume measuring. To clean and

grease the impactors, see Chapter 7 “Cleaning and maintenance”.



Adjusting the Impactor/Turret Setting

Adjusting the Impactor/Turret Setting

When measuring, the industrial processes (such as sanding, cutting, crushing, grinding, and transportation) cause air pollutants. The size of the particles will enter the human body in different areas, affecting the nasal, throat, and/or lung area.

The impactor setting is used to trap and filter out the larger size particles based on your cut-point (or impactor setting). The range is programmed between 1 μm to over 100 μm. For example, if you are measuring coal dust (aimed at the lung area), you would adjust your impactor setting to PM10. The following are the user-selectable cut-points:

 PM2.5, PM4, PM10, or PM (all dust ranging from 0 μm-100 μm)

 NOTE: The particulate size is written on top of the turret. For PM there is no marking but is noted by the (raised) air chamber.

 Adjust impactor/turret for particulate logging

1.

Using the keypad navigate to the particulate or composite measurement screen.

 How to?

From the Start screen, press the Right arrow key.

PM 2.5 & profile displayed

Impactor setting updates as the turret is rotated

(when in stop mode)

Figure 4-4: PM2.5 impactor setting example



Particulates Calibration (Zero Cal)

2.

Twist the turret (red casing around the impactor) to the left or right until you see the appropriate setting on the display. It will align to the impactor text and arrow on top of the housing.

 NOTE: The actual diameter of the air inlet hole is directly to the left of the impactor text positioning.

Air inlet hole for PM2.5 Air inlet hole for PM4

PM2.5 position

Air inlet hole for PM10

PM4 position

Air inlet hole for PM

PM10 position PM position (no text marking)

Position used for zero calibration

Figure 4-5: Adjusting impactor/turret setting

3.

If you see “ < > PM ERR ”, this indicates the impactor is not in the correct position and that it is between two positions. Adjust the turret, until the correct reading is displayed on the screen.

Particulates Calibration (Zero Cal)

A zero calibration is recommended the first time you measure particulates in the run mode. For particulate calibration, place a zero filter (also called a

HEPA filter) with attached coupler into the vent of the turret. The impactor setting must be set at PM in order to conduct a zero cal.

 NOTE: For the span on the particulate calibration, refer to the

“Gravimetric Filtering” instructions to determine the gain factor from the correction factor.

 Particulates zero cal

1.

Insert the attached coupler and zero filter into the turret. Ensure the impactor is well-greased

before calibrating which requires a thin film of grease. (See “ Impactor care ” for details).








Zero/HEPA filter

Used for particulate zero cal.

Zero filter with coupler and vent opening

Insert the Zero Filter via the coupler into the “2.5” vent opening.

Turret

Turn the turret so “PM” appears on the display of the EVM. The raised section will align with the

“impactor” text.

Figure 4-6: Particulate zero cal with HEPA filter

2.

Adjust the turret/impactor to PM (refer to “Turret” in Figure 4-6).

3.

From the Start screen, press ▲ / ▼ Arrows until Calibration is selected and press Enter .

Calibration – select to open to the Calibration set screen

Figure 4-7: Selecting calibration screen

4.

In the Calibration screen, press ▲ / ▼ Arrows and select PM (for particulate matter).

 NOTE : If the impactor setting is incorrect, the instrument will flash a warning sign indicating that you need to turn the impactor to “PM” before proceeding.




5.

Press the Cal soft key. (The pump will turn on.)

 NOTE: The HISTR and VERIFY soft keys will not be present if a user calibration and a calibration verify have not been performed.

PM

History soft key

Calibration soft key

Verify soft key

Figure 4-8: Particulate cal screen

6.

The ready screen with the PM, Profile will appear. Press the Start soft key.

Start soft key

Figure 4-9: Particulate calibration and ready screen




7.

Allow the level to stabilize (approximately 1–3 minutes). It will state Waiting (A) and Set soft key will appear when it has stabilized (B).

A B

Zero will appear when it has stabilized

Current Level reading

Set soft key will appear when stabilized

Figure 4-10: Particulate calibration and waiting screen

8.

Press the Set soft key to set the Zero cal point.

9.

The instrument will show a Pause state with the intended and actual values.

Save soft key

Figure 4-11: Particulate calibration pause screen



Particulate Advanced Calibration (Gravimetric)

10.

Press the Save soft key to save your calibration (or press Cancel and Retry to repeat this process.)

A screen pop-up will state “Zero cal set point” when completed (or “User canceled calibration”). A pass (cancel) screen will be displayed.

Retry

Actual calibration value

Exit

Figure 4-12: Zero Cal set for Particulates

 Press Retry soft key to repeat the zero cal procedures.

11.

Press Exit soft key to close this screen. To return to the start screen, press On/Off/Esc or press the Cal soft key to continue calibrating the sensors.

 NOTE: A zero cal is performed for the instrument and will be used for all profiles.

Particulate Advanced Calibration (Gravimetric)

With the EVM, you can store up to eight different profiles (also called correction factors) to reflect the environment or building zone you plan to measure.

The instrument is factory calibrated to Arizona Road dust. In some situations, you may want to perform a gravimetric calibration in order to determine the correction factor for an alternative environment. This is an optional procedure.

 NOTE: If you do not plan on performing an advanced particulate calibration with gravimetric sampling.

With a gravimetric calibration, you determine the mass of the particulate you want to measure. The particulate mass is then used to calculate a correction factor to the environment you will be measuring.

The steps below outline a gravimetric calibration.

(For additional specifications on a gravimetric calibration, please refer to the NIOSH 0600 standard.)



Performing a Gravimetric Calibration

Gravimetric Calibration Overview

1.

Reset the gravimetric and volume accumulators.

2.

Insert a new (sealed) gravimetric cassette.

3.

Measure in the specific location for approximately four to eight hours.

4.

Proceeding the measurement, the gravimetric accumulator on the EVM will display the amount of dust that has accumulated based on the active profile. (This value is used in conjunction with the weight of the measured dust in the cassette.)

5.

To determine the weight of particulates in the gravimetric filter, remove the gravimetric cassette and weigh the contents. (Typically, sent to a lab for results.) Do not include the weight of the cassette.

6.

To determine the correction factor, calculate the ratio between the particulate mass value and the weight from the gravimetric filter lab analysis.

 For example , let’s say that you measured for 8 hours in a wood shop and the

PM mass accumulator displays 10 mg. Next, you measured the dust in the gravimetric filter/cassette and determined the weight as 20 mg. To calculate the correction factor, you divided 20 mg by 10 mg and determined the value as 2.

Lastly, the correction factor of “2” is multiplied by the existing active profile correction factor, and is entered as the new correction factor (Setup\PM\EDIT

PROFILE).

Performing a Gravimetric Calibration

Ensure the gravimetric cassette is new before beginning.

1.

Place the instrument in the appropriate environment.

2.

Turn on by pressing On/Off/Esc .

3.

In the Start screen, select the Setup menu and press Enter . Next, select pressing the Down arrow repeatedly and once selected, press Enter .

Particulates by

4.

In the particulate screen, the reset gravimetric accumulator fields will display either a value of the collected dust or it will display zero (if already reset). When beginning a gravimetric calibration, ensure this is set to zero.

Reset soft key

Reset Gravimetric fields to “0”

Figure 4-13: Reset gravimetric setting



Pump Flow Rate Calibration

 To reset, press the down arrow repeatedly to select the gravimetric fields and press the Reset soft key. (If it is not displayed, press the Altf key.)

5.

Turn the pump on by pressing the Pump

key.

6.

Optional step: a.

It is optional to press the Run/Stop key to log the gravimetric filter sampling.

 NOTE : If in “run mode”, a clock appears and displays the overall run time. b.

To view the particulate level, press the right arrow once from the start screen and the particulate measurement screen will appear (noted as “PM”).

7.

After the gravimetric collection, turn the pump off and reference the Gravimetric Mass field to view the calculated particulates.

8.

Lastly, calculate the ratio between the value in the Gravimetric Mass field and the weight of the collected sample.

9.

Enter in the correction factor via the Particulate Setup

screen (see “ Setting Profiles ” section for

more details).

Pump Flow Rate Calibration

An accurate flow meter, such as a primary standard flowmeter calibrator, and inert tubing is required to perform this calibration. The inert tubing is inserted on the dust air flow outlet (located on the back of the housing).

 NOTE : You may want to send the instrument in for a yearly calibration, if you do not own a flowmeter calibrator for this calibration procedure.

Air Flow Outlet

Used to connect a primary standard calibrator with tubing

Figure 4-14: Pump flow rate calibration

 Flow rate calibration

1.

Connect the flow meter (i.e, primary standard) and inert tubing to the EVM.

2.

Turn the EVM on by pressing On/Off/Esc .

3.

Select the Calibration menu by pressing the Down Arrow until it is selected and press Enter

4.

Select Flow Rt (flow rate) by repeatedly pressing ▲ / ▼ Arrows key until it appears.

.



Toxic Gas Sensors

5.

Press the CAL soft key and then press the Start soft key.

1.67 L/min (lpm) is the recommended flow rate to mirror with

Percentage of air flowing through the pump

Save

Figure 4-15: Flow Rate Calibration

6.

Manually adjust the flow rate (as needed) by repeatedly pressing the Up/Down key to select the desired level.

7.

Press the Save soft key to store this as your flow rate calibration. The flow rate summary will appear.

 NOTE : You may want to repeat these steps if the desired level was not achieved. Press the

Cancel soft key to stop the calibration. Next, press the Retry soft key and repeat the calibration steps to re-cal the flow rate.

8.

Press the Exit soft key to exit this screen. (The pump will turn off.)

9.

Press the On/Off/Esc key to return to the start screen.

Toxic Gas Sensors

The gas sensor chamber will allow you to measure any one of the single toxic gases listed below. Refer

to Appendix A for detailed specifications.

1.

Carbon monoxide (CO) with a range of 0–1000 ppm

2.

Chlorine (CL

2

) with a range of 0–20 ppm

3.

Ethylene oxide (EtO) with a range of 0–20 ppm

4.

Hydrogen cyanide (HCN) with a range of 0–50 ppm

5.

Hydrogen sulfide (HS

2


6.

Nitrogen dioxide (NO

2


7.

Nitric oxide (NO) with a range of 0–100 ppm

8.

Oxygen (0

2

) with a range of 0–30%

9.

Sulphur dioxide (SO

2)

with a range of 0–50 ppm

10.

Ozone (O

3

) with a range of 0–1.0 ppm

The sensors are based on well-established electrochemical sensor technology. They are designed to be maintenance free and stable for long periods of use.



Cross Sensitivity

Cross Sensitivity

The following table illustrates the cross-sensitivity to a range of commonly encountered gases, expressed as a reading of the sensor when exposed to 100 ppm of the interfering gas at 20ºC.

Interfering Gas

Gas

CO H

2

S SO

2

NO NO

2

H

2

CL

2

HCN C

2

H

4

HCI CL O

2

CO

H

2

S

NO

2

100 ~ 7 <10 <9

<2 100 ~10 ~1

-5 <5 <-.5 0

<20 <40 N/D N/D

~-20 ~1 N/D N/D

100 N/D N/D N/D

N/D

N/D

N/D

N/D N/D N/D

N/D N/D N/D

N/D N/D N/D

NO 0 N/D ~ 5 100 <30 N/D N/D N/D

HCN N/D N/D N/D N/D N/D N/D N/D N/D

N/D

N/D

NH

3

0 0 ~ 60 ~20 <10 0 ~-50 ~-5 N/D

*O

3

-8 N/D N/D N/D ~60 0 ~120 N/D N/D

*Continuous exposures at ppm level over more than 30 minute might blind the sensor.

Table 4-1: Cross-sensitivity table of interfering gas

N/D N/D N/D

N/D N/D N/D

<10 N/D N/D

~150 ~150 ~150

How Sensors Operate

Power is automatically applied to the gas sensors when they are connected and the instrument is turned on. These are also referred to as “intelligent-sensors”. Additionally, the EVM will automatically identify the type of gas sensor that is installed.

 NOTE: It may take a few minutes for a newly inserted sensor to stabilize before using.

Quality Calibrations

The quality of the calibration process depends upon the accuracy of the calibration gas and allowing the sensors to stabilize before saving the zero and span calibrations.

About Sensors and Cal Storage

Once a calibration is completed and a sensor is removed, the calibration records are stored in the sensor.

Calibration History and Sensor Serial Numbers

After running, saving a calibration, and downloading the data to Detection Management Software

(DMS), the calibration type, levels, the serial numbers, and the date/time of the calibration are viewable in the software. The serial number of the sensor is available in DMS in the calibration history chart.

Figure 4-16: Calibration history for EVM



Applying a Gas Sensor

Applying a Gas Sensor

Gather your calibration gas source, the regulator (if not already connected), inert tubing, the cal adapter and the EVM with the appropriate sensors installed. After your calibration setup is completed, follow the proceeding applicable calibration sensor sections.

 Applying a gas sensor

1.

2.

3.

4.

5.

Connect the gas source, regulator and inert tubing.

Slide the inert tubing over the black nozzle of the cal cup.

Remove the cove r r example). the air inlet. air inlet

on the EVM.

(See Figure 4-2 for an

Place the Cal cup over

When you are ready to access the Cal screen, turn on the regulator.

EVM

Tubing

Regulator

Calibration gas source

Cal adapter

Figure 4-17: Applying a gas sensor

Calibrating Toxic Gas Sensors

It is recommended to conduct a zero cal and a span cal with toxic gas sensors. Essentially, a calibration is conducted by checking the sensors response to a known concentration of a certified calibration gas. It is important to note that with a zero cal and a span cal, you should be in a non-contaminated environment when performing the calibration.

It is recommended to calibrate on a regular basis for best results. You will want to perform a zero cal and a span cal (or adjustment) to properly calibrate a toxic sensor.

Important

The zero and span adjustment procedures for oxygen are different than other gas sensors.



Calibrating Toxic Gas Sensors

Caution

Due to the presence of toxic gas during the calibration process, appropriate safety procedures should be followed.

Additionally, you will want to ensure that your calibration is performed in an area known not to contain hazardous or interfering gases if ambient air will be used as the zero gas for operation. If this is not possible, pure bottled air (Nitrogen is recommended) should be substituted. Instructions for both procedures are provided below. You only need to perform one or the other.

Toxic Gas Zero Calibration

When conducting a zero cal for toxic gas, you will want to use a cylinder of Nitrogen or pure air with the cal cup placed over the air inlet cover. (See “Applying a gas sensor” for details).

 NOTE: If you are in clean air environment, you can use room air (for all toxics except for ozone).

Ozone Calibration for Zero and Span

For an Ozone calibration, a zero calibration is performed with Nitrogen and a span calibration is performed using an ozone generator.

 NOTE: It is recommended to factory calibrate the ozone sensor on a yearly basis.

 Performing a Zero cal for toxic gas

1.

While the instrument is powered off, connect the pure air cylinder, regulator, inert tubing, and cal cup to the EVM.

2.

Power on the EVM by pressing the On/Off/Esc .

3.

In the start screen, press the Down ▼ arrow to select Calibration and press the Enter .

4.

Press ▲ / ▼ Arrows to select the toxic you want to calibrate.

5.

Press the Cal soft key and a specific toxic gas (i.e., CO) Calibrate Set Point screen will appear.

Selecting a sensor

Press Up or Down Arrow on keypad

Cal soft key

Figure 4-18: Selecting sensor for calibration process




6.

Turn regulator On . Wait for the current level to stabilize (allow at least 90 seconds to stabilize.)

(The screen will show +Ready .)

7.

When the level has stabilized, press Zero soft key.

* Flashing asterisk indicates cal. mode.

Level

Allow to stabilize before setting calibration point

Press Set soft key to save the level set point

Figure 4-19: Calibration zero screen

8.

Press the Set soft key. A screen displaying the zero cal intended and actual set point values will appear. Press the Save soft key.

Zero Cal

+ (plus sign) indicates

Zero cal has been set.

Span cal

- (minus sign) indicates User

Span cal has not been set.

Figure 4-20: Calibration zero pause screen

9.

To set the span cal, proceed to “Toxic gas – span calibration”.

 NOTE: To re-do the zero calibration, press the +Zero soft key and repeat steps 7 and 8.

Soft keys

Cal

Zero

Span

Exit

Explanation

When pressed, this will allow a calibration to be performed.

When pressed, this will enable you to a zero calibration.

When pressed, this will enable you to perform a span calibration.

Enables you to exit at any time.

Table 4-2: Gas calibration soft keys explained




Toxic Gas Span Calibration

When conducting a span calibration, the calibrated gas used should match the sensor you will be calibrating.

 NOTE : For Ozone span calibration, an ozone generator should be used.) If you are continuing from the Toxic Zero cal section, the screen you will be viewing is the Calibrate/Pause screen. (If you are performing a Span cal only, ensure you are at the Start screen and select the calibrate menu. Then select the specific sensor by pressing up/down arrows. Press the Cal soft key and then press the Span soft key. Proceed to Step 2.

 Performing a span cal for Toxic gas

1.

Continuing from the zero cal procedures, you should be viewing the Cal/Pause screen (as displayed in Figure 4-17). Press the Span soft key.

2.

Apply the gas at full flow rate while observing the “Level” field on the display. Wait for the current level to stabilize (allow a couple of minutes).

Level

Allow to stabilize

Set

Figure 4-21: Span Calibration

3.

Adjust the span value by pressing ▲ / ▼ Arrows on the keypad.

4.

Press the Set soft key to store the span cal. point. (A screen will appear displaying that you set the span cal. point.)



Calibrating CO2 AND O2

5.

Once your calibration is set, intended and actual cal values will appear on the display screen.

Press Save to store these as your calibration set points.

 NOTE: To redo the span calibration, press the Span soft key and repeat steps 2–5.

* New value

Previous calibration result

SAVE soft key

Figure 4-22: Saved Calibration screen

6.

Turn the regulator off and disconnect the tubing from the instrument.

7.

Repeatedly press On/Off/Esc until you return to the start screen.

8.

Press ◄ / ► Arrows to view measurement screens.

Calibrating CO

2

AND O

2

With the Carbon Dioxide (CO

2

) or Oxygen (O

2

) calibration, you may perform a zero calibration and a span calibration (when the cal gas is connected) in the field. Each of these screens will be discussed below.

The CO

2

sensor and O

2

sensor requires a calibration gas, a regulator with at least 1 L/min flow rate and inert tubing.

A zero calibration using a Nitrogen (N

2

) gas is recommended. For a span calibration, the range (or span) should be a sizeable fraction of the selected full scale range of the gas.

O

2

Accuracy

The range for O

2

sensor is 0–30% with a typical span cal of 20.9%

 Calibrating a zero cal and span cal for CO

2

or for 0

2 sensor

1.

Connect one of the following gases with the regulator and inert tubing:

 N

2

 CO

gas (used for zero cal.)

2

calibration gas

 Room air for 0

2

calibration gas (i.e., 20.9%)

2.

Attach the regulator and tubing to the gas cylinder.

3.

Place the Cal. cup over the Air inlet cover and slide the tubing over the black air inlet casing.

4.

From the start screen, press ▼ Arrow to select Calibration and press Enter .




5.

In the Calibration screen, press ▲ / ▼ Arrows to select CO

2 or O

2

.

Selecting a sensor

Press Up or Down Arrow

CAL soft key

Figure 4-23: Selecting a calibration sensor

6.

Press the CAL soft key to open the CO

2

“Calibration/Calibrate” screen. (Allow at least 2.5 minutes for CO

2 to stabilize.)

 For the Set Points, zero and –span soft keys will appear. Press either Zero Cal or Span Cal soft key. (See Table 4-2 for more information.)

Soft key Menu

Zero, Span or Exit

Figure 4-24: Calibration CO

2 ready screen

 NOTE: If “ – ” (a minus sign) appears in front of Zero or Span, this has not been calibrated.

Alternatively, the “ + ” (plus sign) signifies the cal point has been calibrated.

7.

Turn the regulator on. The regulator should have a flow rate of 1.0 L/min.

8.

Allow the level to stabilize. For CO

2

, wait at least two minutes to stabilize.





For Zero Cal, the screen will display Zero with a Set soft key.

For span cal, press ▲ / ▼ Arrows on the keypad to adjust the appropriate level.




9.

Press the Set soft key. Turn off regulator and unhook the N

2

bottle (for zero cal) or CO

2

bottle (for span cal). (To perform a Zero or Span cal, repeat steps 1–8.)

 NOTE: To redo a zero or span calibration, press the zero or span soft key and repeat steps above to program new set points.

Level


Set Soft key

Figure 4-25: Setting CO

2

Span Cal screen

10. Once the zero and span cal values are set, the calibration save screen will appear. Press Save to save your calibration.

 NOTE: To repeat the cal, press the Cancel soft key and you will return to the calibration screen. Repeat the steps above to program new set points.

Intended cal. values

❸ Cal before Zero cal

❹

Cal before Span cal

❸

❹

❶

❷

Actual cal. values

❶ After Zero Cal

❷

After Span Cal

Save

Figure 4-26: Saved Calibration

11. Once saved, the display will indicate if it passed. You have another option to Retry the calibration procedure by pressing the Retry soft key.

12.

To exit CO

2

calibration, press the Exit soft key.

13.

Then, press On/Off/Esc twice to return to the Start screen.



Calibrating Photo-Ionization Detector (PID) Sensor

Calibrating Photo-Ionization Detector (PID) Sensor

PID parts per million (ppm) zero calibration

It is preferred to flush the PID ppm sensor with Zero Grade Air for a zero calibration. Alternatively, you may flush the PID ppm sensor with Nitrogen. In clean environments (with no presence of toxic chemicals, such as in a school setting with no toxic cleaners present) applying room air can be used to set your zero calibration point.

For the flow rate, it is recommended to set it at 1 L/min for best response time.

PID parts per billion (ppb) zero calibration

 NOTE for PID ppb sensor : The PID ppb sensor may be susceptible to baseline settlement after more than 2 weeks of storage. In these cases, the PID PPB sensor should be operated in clean air for several hours prior to performing a calibration and prior to performing measurements of low concentration of gases (< 1000 PPB).

The PID ppb sensor uses a static base line for the zero offset. If the user adjusts zero base line, the PID ppb needs to be enabled in the setup menu.

 NOTE: To enable, select Setup from the main screen and then choose PID. In the PID screen, enable the ppb zero feature. Once set, return to the calibration screen to resume the

calibration process. (For more details on setting, refer to “PID sensor setup” in Chapter 3 .)

 PID ppm/ppb zero cal

1.

Connect the Zero Grade Air and cal cup to the EVM. (Skip this step if you are not applying a gas.)

. 2.

From the start screen , press the Down ▼ arrow to select Calibration and press Enter

3.

Press the ▲ / ▼ Arrows to select the PID sensor.

Selecting PID sensor

Cal soft key

Figure 4-27: Selecting PID sensor for calibration process




4.

Press the Cal soft key and the Calibrate PID/Ready screen will appear. Press Zero soft key.

 NOTE: Allow at least 60 seconds to stabilize.

Zero

With PID ppb sensor, if

“Zero” is not displayed, this indicates the PID setup PPB sensor should be set. See PID ppb zero cal. section above.

Units: ppm/ppb

The EVM will automatically display the attached sensor which is either PID ppm or

PID ppb for VOC testing.

5.

When the level has stabilized, press the Set soft key. (Or press Cancel soft key and then Retry soft key to repeat this process.)

Flashing asterisk indicates cal. mode.

Level


Set soft key

Figure 4-28: Calibration mode screen

6.

The PID/Pause screen will appear displaying the intended and actual calibration values. Press the

Save soft key. (Or press the Cancel soft key to repeat this process.)

 To set the span cal, proceed to “PID – span calibration”.

7.

To restore the factory calibration for the ppb sensor, select the HISTR soft key from the PID calibration screen. Press the FACTRY soft key. This restores the ppb zero calibration value.

PID Span Calibration

Typically for PID 100 ppm, isobutylene is used for a span calibration when the VOCs are unknown or apply the gas of interest if detecting a specific VOC for best results.

To measure a specific VOC with PID PPM sensor, you will want to use the relevant VOC for your calibrated gas source. However, for PID PPB span calibration, it is recommended to use 10 ppm (or

10,000 ppb) isobutylene whether the gas of interest is known/unknown.




 NOTE: A correction factor is a number that relates to the PID sensor of a specific VOC and correlates to the PID response to the calibration gas (sometimes referred to as a response

factor). Please reference Appendix C for specific correction factors provided by Ion

Science.

Performing a PID Span Calibration

Allow up to 15 minutes of warm-up time for PPB PID sensor and 5 minutes for PPM PID sensor. For

PPB span calibration, refer to PID ppb note if the sensor has not been used for over two weeks.

If you are proceeding from the Zero cal section, the screen you will be viewing is the Calibrate/Pause screen. (If you closed the screens, refer to the Note in step 1.)

 PID Span Cal

1.

From the PID/Calibrate Pause screen, press the Span soft key on the keypad.

 NOTE: To navigate to the PID Span cal screen, select the Calibration screen. Select PID using the up/down arrows. Then, press the Cal soft key. Zero and Span soft keys will appear. It will look similar to the screen below but it will not have the intended/actual zero cal set points displayed. See step 2 to proceed.

Intended and Actual

Zero cal set point results

Span

Figure 4-29: PID Calibration Span soft key

2.

Adjust the span value by pressing ▲ / ▼ Arrows once the sensor has warmed-up.

3.

Apply the gas at full flow rate while observing the “Level” field on the display. Wait for the current level to stabilize (allow a couple of minutes).

4.

Press the Set soft key (and it will state Cal set point stored).

5.

Once your calibration is completed, a Save screen will appear with the details of your parameters.

 NOTE: If you want to repeat the span cal, press cancel and a message will appear stating it is canceling. Press the Retry soft key to repeat the span cal steps.



Calibrating Relative Humidity and Temperature

6.

Press Save soft key to store this into the memory.

Calibration results after completed span cal.

Previous calibration

SAVE soft key

Figure 4-30: Saved Calibration screen

7.

Turn the regulator off and disconnect the tubing from the instrument.

8.

Repeatedly press On/Off/Esc until you return to the start screen. (Press right or left to view measurement screens.)

Calibrating Relative Humidity and Temperature

The relative humidity and temperature sensors are factory calibrated. To perform a calibration, you would place the instrument into the location you will be testing with the appropriate temperature sensing instrument (such as a thermometer for a temperature calibration). Then, access the calibration screen and allow the Relative Humidity and Temperature readings to stabilize. Preceding the calibration level, you then store these values.

 NOTE: When performing a user calibration on Relative Humidity and Temperature, do not externally power/charge the instrument. If you are currently charging or using an external power adapter, disconnect before proceeding.

 Relative Humidity or Temperature calibration

1.

Open the Calibration screen.

2.

Press ▲ / ▼ Arrows and select either RH or Temperature calibration.

3.

Select the Cal soft key and then press the Start soft key.

4.

Adjust the level to match the current value of a calibrated temperature sensing instrument.

 To adjust the level, press ▲ / ▼ Arrows until the appropriate value is selected.

5.

Press the Set soft key and a Save screen will appear.



Calibration History

6.

Press the Save soft key to save the calibration.



Temperature cal

Intended & actual readings

Figure 4-31: Temperature calibration

7.

To calibrate the other sensor (RH or Temp), repeat these steps.

 Or press the Exit soft key and then press On/Off/Esc .

 To open the calibration screen: from the start screen, press the Down ▼ arrow to select

Calibration and press Enter . The Calibration screen will appear.

8.

To exit and return to the main screen either press the On/Off/Esc twice.

Calibration History

The calibration history screen will show your previous calibration of a specific sensor. When the sensor is selected, the last calibration performed will be shown. To view the calibrated values, an optional

History menu is selectable via a History soft key. The figure below is an example of a CO

2 cal. history.

Saved Cal

Before Set point

Saved Cal

After Set point

Figure 4-32: Calibration History screen

 Accessing the Calibration history screen

1.

Select the Calibrate menu from the start screen and then choose a sensor.

 NOTE: Press up/down arrow in the calibrate menu to select a sensor.

2.

If the sensor selected was recently field calibrated, the History softtkey menu will appear along with the date and time of the last calibration.

3.

Press the HISTR soft key to view the saved calibration results.



Verify Calibration and Drifting Analysis

4.

To exit and return to the start screen press On/Off/Esc twice.

Verify Calibration and Drifting Analysis

The verify screen is typically used to analyze drifting. This process verifies if the zero calibration remained stable or unchanged during the run-time/logging time. If it did not remain stable, you can set a new calibration offset and save this as your new set point.

 Verify calibration

1.

Select the Calibration menu from the start screen and select a sensor you want to verify.

 NOTE : Press up/down arrow menu to select a sensor in the calibration menu.

2.

Press the Verify soft key. (The Calibrate offset will display on the screen.)

 NOTE : For this example, PID sensor was selected in step 1. If you selected a different sensor, the screens will look very similar to the figures below.

Calibrate offset value

Figure 4-33: Calibrate offset verify screen for PID sensor

3.

Press the Start soft key and allow the level to stabilize. (Apply any gas if applicable as described in the Calibration sections above.)

4.

Press the Set soft key to set a new calibration value.

Figure 4-34: Calibrating PID




5.

The Intended and Actual values will appear. Press the Save soft key to save these new values.

 Or press the Cancel soft key and press Retry to repeat this process.

6.

To return to the start screen, press On/Off/Esc twice.

 To retry the offset cal, press the Retry soft key and repeat the steps above.






71 Measuring and Viewing

Overview of Running a Session

CHAPTER

5

Measuring and Viewing

Once you have setup your logging parameters and calibrated the instrument, you are ready to begin measuring. The focus of this chapter is to give you a brief overview of what is measured, how to navigate, what measurements screens will appear, and how to run and stop your measurements. The chapter concludes with an explanation of the file system management functionality which is comprised of the following: reviewing past measurements, deleting files, viewing file storage and memory, and viewing the estimated run-time.

 NOTE: The subsequent sections show examples of views which you may have disabled on your

instrument (refer to Chapter 3 , “Setting-up the EVM” for more details).

Overview of Running a Session

The list below is a brief overview of the steps for running a study.

Quick Help

Quick Help List: typical gas/particulate/air quality overview

1.

Turn the EVM on and check your battery power (see Chapter 2).

2.

Reset/Clear memory (if necessary). o This will clear out all of the data history before your study begins to ensure you have sufficient memory space.

3.

Set-up your study parameters (see Chapter 3).

4.

Calibrate each sensor/parameter (see Chapter 4).

5.

Place the EVM in a specific location for area monitoring.

6.

Press the Run/Stop key to start the study (see Chapter 5)

7.

When you are ready to end your study, press the Run/Stop key to stop the study.

8.

Review your results either on the instrument or download to DMS for further analysis (graphs/charts, saving and printing).

Figure 5-1: Quick help list for running a study

Measuring

Once you have placed the Environmental Monitor (EVM) in a specific location, you are ready to take measurements.

With a couple pushes on the keypad buttons, you will be running and viewing your sessions. Following your sessions you can load the data/files into DMS to manipulate, analyze, save, and create reports

(See Chapter 6 for viewing your logged data in DMS).


72 Measuring

Understanding What Data is Stored

Understanding What Data is Stored

When you are performing air quality monitoring, there are two types of data stored in the instrument which includes summary data and time history data (or logged data).

Summary Data

Summary data represents values that occurred over the entire run of the study. An average measurement is the average of all arithmetic data points for a sensor (i.e., dust, humidity, CO, etc..),

Max and Min values are the highest and lowest measurements that occurred throughout the run time.

Figure 5-2: Sample summary data from a DMS table

Logged Data/Time History

Logged data, also referred to as “time history,” plots measurements with a specified logging interval ranging from 1 second intervals to 60 minute intervals (as set up in the EVM monitors via the logging screen).

Time History data represents measurements that occurred over the most recent time period, which is the logging interval. For example, if the log interval is 1 minute, then the maximum value is the highest value for that 1 minute, and the Lavg value is the average value for that 1 minute.

 NOTE: DMS has two default logged data charts that appear: temperature and humidity on the first logged chart, and Dust and CO

2

data on the second logged data chart. (If you do not have those sensors installed, they will not appear.) In DMS, to view different sensor measurement parameters on the logged data chart, click on the the specific sensors’ checkboxes.

and click in


73 Measuring

Running and Stopping

Particulates

Will display max. and low peaks in logged data chart.

CO

2

data

Figure 5-3: Sample time history data (or logged data) chart

Running and Stopping

When running a session, the pump will automatically turn on during your logging/run if particulate is enabled. (This is explained in the Particulate setup section.) At any time, you can turn the pump off

(disable) if you are not measuring particulates or the environment is extremely dirty and you want to keep the pump clean. Simply press the particulate key (as indicated in Figure 2-2) to turn this feature off. To page through the measurement screens, press ◄ / ► Arrows .

 NOTE:

For particulates ensure the impactor is well-greased before measuring (see “ Impactor Care ”

for details).

 Running and Stopping measurements

1.

From the start screen or any of the measurement screens, press the Run/Stop key to begin measuring.

 A 5 second countdown will appear with a run message (in pause mode) when the particulate setting is enabled.

2.

Press and hold the Run/Stop key to stop measuring.

Run mode

Level values for each sensor

 Shortcut : Press Enter key to toggle through different measurement units.

Figure 5-4: Composite measurement screen in run mode


74 Measurement Screens and Navigation

Unit defined

Measurement Screens and Navigation

To navigate through the measurement screens repeatedly press ◄ / ► Arrows key from the Start screen. (The start screen is the second screen you encounter after the initial splash screen.

Looking at the measurement screens clockwise (or pressing ► Arrow key), you will see the particulate measurement screen. The subsequent screens that appear include the relative humidity and temperature screen, the gas screen, the composite screen, and the air velocity screen. Depending upon the sensors you purchased, the installed sensors, and the measurement setup you may see some variations in the upcoming measurement screens in comparison to your instrument. These will be noted

(or explained in full detail).

Unit defined

While viewing your measurement data, you will want to have a good understanding of the abbreviated units used on the instrument. These are listed in Table 5-1.

Abbreviations on the EVM

OL

UR

ºF

ºC

% ppm ppb mg/m 3

μg/m 3 m 3 mg m/s ft/m

Explanation

Over Load – This indicates a measurement (on the current screen) is above the maximum value (for that sensor) which the instrument can measure.

Under Range – A measurement (on the current screen) is below the minimum value (for that sensor) which the instrument can measure.

Degrees Fahrenheit – This is displayed with readings for Temperature and Dew Point.

Degrees Celsius – This is displayed with readings for Temperature and Dew Point.

Percent- This is displayed for the percentage measurement for the pump flow rate, the relative humidity sensor, and the Oxygen sensor.

Parts per Million – This is displayed with measurement readings of CO

2

, toxic gas, and

PID sensor(for VOCs).

Parts per Billion – This is displayed with reading of PID sensor (for VOCs).

Milligrams per cubic meter – This is a unit of measurement (of mass per unit volume) and is used for particulate measurements and PID PPM (PID sensor for VOCs).

Micrograms per cubic meter – This is a unit of measurement (of mass per unit volume) and is used for particulate measurements and PID PPB (PID sensor for VOCs).

Volume – Gravimetric volume for the particulate measurements.

Mass in Milligrams – Gravimetric accumulator mass for the collected particulates.

Meters per second

+

Feet per minute – This is the unit of measurement for air velocity.

Table 5-1: Unit abbreviations


75 Measurement Screens and Navigation

About the Measurement Soft Keys

About the Measurement Soft Keys

Each measurement screen has soft keys (extended menus) which are used to view different measurements.

 NOTE : Press the Enter key to toggle through the various measurements.)

Soft key menus

Used to select additional menus or different measurements/units

Figure 5-5: Example of measurement soft key menus

Measurement

Soft keys

Lookup soft key

(eyeglasses)

Explanation

Lookup icon (eyeglasses) soft key – used to select and view different measurement values

(on the particulate and air velocity screens).

Level, Maximum, Minimum, Average, Short Term Exposure Level (STEL) and Time Weighted

Average (TWA).

Select soft key

+/–

Select soft key - if more than one sensor/parameter is selectable on a measurement screen, this is used to select a sensor such as: temperature, toxic gas sensor, PID sensor etc. If you are on the composite screen and the screen is magnified, you can select each sensor and the measurement units will be displayed on the bottom of the screen.

Magnifying glass symbol – Used to Zoom in ( + ) or out ( – ). (The plus denotes zoomed in and the minus sign denotes zoomed out.)

Detail soft key Detail soft key – used to view a sensor’s measurement values in a summary screen. For example, if you are on the composite measurement screen and you want to view the summary data for CO

2

, you would first select the CO

2

field and then select the Detail soft key.

You may need to press the up/down arrow to scroll through the data.

Trend soft key Trend soft key – is graphical chart and is used to give you a quick synopsis of trends over time such as a high volume of particulates at a specific time. The following settings are always logged and are viewable by pressing the Altf key when you are viewing the trend screen: 90 sec, 180 sec, 900 sec, 90 min, 3 hrs, 8 hrs, 12 hrs, 24 hrs. The timescale (x-axis) can be expanded by pressing the right or left arrow keys. The measurement level (y-axis) can be expanded and contracted (some sensors) by pressing the up or down arrow keys.

Table 5-2: Measurement soft keys explained


76 Particulate Measurement Screen

Impactors and Particulate Measuring

Particulate Measurement Screen

The particulate measurement screen displays the user-adjustable impactor setting (i.e., PM 2.5), the applied profile (or correction factor) and various measurements (level, max, min, etc.)

Measurement displayed is changeable via the lookup/glasses icon or by pressing Enter key

Impactor and profile displayed

Particulate Level is

0.445 mg/m 3

Press Detail soft key to view all measurement values

Figure 5-6: Particulate Measurement screen

Impactors and Particulate Measuring

As discussed in the calibration chapter, there are four selectable particulate settings. To move the impactor, ensure you are in stop mode. Then, twist to the right or left until you feel a tactile detent. The impactor setting will align to the gray marking on the housing (see Figure 4-4 for an example).

 NOTE: The particulate screen will display “ERR” if it is not clicked into one of the appropriate settings. The selections include: PM2.5, PM4, PM10, and PM.

 NOTE: The impactors may require cleaning during or after your measurement study. Please see

Chapter 4 , “Impactor and Use” for more information.

Extending Run-Time for PM Measurements

If you will be measuring in a dusty environment (such as an environment that is oily) or for a long period of time (10+ hours), you may need to clean the impactors frequently in order to remove the debris build-

up on the impactor. (See Chapter 7 for Maintenance and cleaning for more detailed instructions.)

To extend the run-time for PM measurements, attach a cyclone to the turret. The cyclone is used to prevent the larger dust particles from building-up on the impactor which eventually clogs the impactor. It forces the larger particulates, using centrifugal force, down and around the filter and collects in the bottom holding cap. (See Figure 4-6 for more details.)

 NOTE : You use a cyclone that is designed to work at 1.67 L/min pump flow rate.


77 Particulate Measurement Screen

Changing Particulate Measurements

Changing Particulate Measurements

To change the displayed measurements, there are three options in the particulate screen. You can press the Enter key to page through each measurement, select a specific measurement from the lookup/glasses soft key, and/or press the Detail soft key. (The measurements are defined in Table 5-3).

 NOTE : If “---” characters appear on the screen, this denotes that the measurement is invalid.

 To change your measurement view

1.

Click on the “ Look-up ” icon .

2.

In the pop-up measurement menu press the Up/Down arrow to select a different type.

3.

Press Enter

to select. On the particulate screen, the selected measurement type will appear.

4.

To view a graphical view of the data, press the Trend soft key. In the Trend screen, press the Line soft key. This switches the screen from a dotted line to a shaded bar chart view. To exit this screen, press On/Off/Esc .

 NOTE: Press the Alt f key to toggle between the trend time scale and the soft keys.

Look-up /

Glasses icon.

LEVEL

MIN

MAX

G

AVG

STEL

TWA

Press Up/Down Arrow to select a measurement value.

Trend soft key.

Detail soft key.

Figure 5-7: Selecting a measurement calculation


78 Relative Humidity and Temperature Measurements

Relative Humidity and Temperature Screen

5.

Or select the Detail soft key and a summary of all the measurements will appear. (Below is an explanation of measurements.)

Measurement values

LEVEL

MIN

MAX

AVG

STEL

TWA

Explanation

Level - Notation used to represent current live reading of the sensor. (This is updated once a second.)

Minimum - Minimum level value which occurred during a log session.

Maximum - Maximum level value which occurred during a log session.

Average - Arithmetic average of all level values which occurred during a log session.

Short term exposure level - is a calculation used to indicate an exposure level (to a toxin) over a short-term period. This value is calculated by averaging the last 15 one minute averages. This value is invalid for the first 15 minutes and is updated every minute thereafter.

Essentially, it is used when the building occupant/worker is exposed to high concentrations of chemical gases. The measurement will average after 15 minutes of data logging and continue to compute after each minute of logging, using measurements from the most recent fifteen minutes. If less than 15 minutes has elapsed, the STEL will be invalid by displaying dashes.

Time weighted average - is an average based on an 8-hour interval. The summing all of the level values taken and dividing by the number of samples in 8 hours (at one sample per second the total would be 28,800). The important thing here is that the average is calculated the same way regardless of whether you've run the instrument for 1 hour, 8 hours, 24 hours or any other amount of time (i.e. the number of samples used to divide by is the same). This value is updated once a second.

Table 5-3: Measurement values explained

Relative Humidity and Temperature Measurements

The relative humidity and temperature sensor will display on the left-hand side of the screen with two measurement values. The measurement displayed in the second column is user-selectable via

Enter .

Relative Humidity and Temperature Screen

To select a different measurement type, press the Enter key repeatedly.

Select , Trend , Detail soft keys (used to change the measurement view).

Figure 5-8: RH and temperature measurement screen


79 Gas Measurements

Gas Screen

 To change the RH and Temperature measurement view

1.

Press the Select soft key, Trend soft key, or the Detail soft key. (See Table 5-1 for details).

 NOTE: The ▲ / ▼ Arrows can be used instead of the Select soft key.

Gas Measurements

The gas measurement screen displays the measurements for CO

2

, toxic gas(es), and PID sensor.

 NOTE : Depending on what sensors you ordered and which sensors are installed, the appropriate gas sensors will display on this screen.

Gas Screen

Figure 5-9: Gas measurement screen

 To change the gas measurements view

1.

Press the Select soft key, Trend soft key, or the Detail soft key. (See “Viewing summary/details” or “Viewing trend details.)

 NOTE: The ▲ / ▼ Arrows can be used instead of the Select soft key.


80 Composite Measurement

Composite Screens

Composite Measurement

When you first access the composite screen, all of the sensors appear on the screen. There are two main views which is dependent on if you pressed the zoomed-in or zoomed-out soft key. (The “zoomedout” is the default composite view.)

Composite Screens

+

–

Zoomed in: The composite measurement screen (when zoomed- in) combines all sensors/parameters into one screen with two columns displaying two different measurement calculations. The second column is changeable by pressing Enter

(See “B” below.)

.

Zoomed out: The composite measurement screen (when zoomed-out), appears with the measurements for all installed sensors. Press Enter

to change the measurement values (as explained in Table 5-3). Press ▲ / ▼ Arrows or Enter

to page through sensors. (See “A” below.)

A- Zoomed -out (Magnify soft key) B – Zoomed-in (Magnify soft key)

Figure 5-10: Composite measurement screen

 To change the composite measurements/view

1.

Press the Select soft key, Trend soft key, or the Detail soft key (see “Viewing summary/details” or

“Viewing trend data” for more details).

2.

To zoom in on the results, press the Magnify soft key (see “B”).


81 Air Velocity Meaursurement Screen

Composite Screens

Air Velocity Meaursurement Screen

There are a couple quick steps to ensure air velocity is setup and that the Air Probe is attached before measuring.

1.

The air velocity setting is enabled in Setup /AUX/Air Velocity screen (see “Air Velocity” Setup in

Chapter 3 for more details).

2.

Connect the Air Probe bracket attachment to the backside of the EVM. Attach the Air Probe to the bracket. Next, plug in Air Probe plug from the Air Probe to the digital output on the instrument.

(See Air Probe output below.)

 NOTE : It is optional to attach the Air Probe to the bracket on the instrument.

3.

Turn Air Probe switch to On .

4.

Navigate to the Air Velocity measurement screen using the ◄ / ► Arrows .

5.

To log air velocity data, press the Run/Stop key.

Air Probe bracket attachment

Output

*Pull back rubber covering in order to plug in cable.

Air velocity measurement screen

Connect

Air Probe to the back housing

(two inlets located near the air flow outlet. See air flow diagram on previous page. )

Figure 5-11: Attaching Air Probe and measuring Air velocity


82 Summary Data

Viewing Details in the Measurement Screen

Summary Data

In each of the measurement screens, a Detail soft key will appear. Once selected, you can view a quick summary of all measurement calculations in one screen. This is explained below.

Viewing Details in the Measurement Screen

 Viewing the composite measurements in individual summary screens

1.

To view details of a sensor, select a measurement screen and then select/highlight a specific sensor (if more than one is displayed).

 For example, to select PM from the Composite screen, press ▲ / ▼ Arrows or the Select soft key.

2.

Press the Detail soft key and a summary screen of the selected measurement screen (i.e., PM 2.5

– particulates screen) will appear.

PM (Composite) details screen

Exit soft key

Figure 5-12: Details of the composite measurement screen

3.

Press On/Off/Esc to return to the previous screen.

 Repeat these steps to view other sensor measurements.


83 Trend Data

Viewing trend data in the measurement screen

Trend Data

The trend data screen is a graphical logged data chart and is viewable in all the measurement screens.

Depending on the parameter you are viewing (i.e., PID sensor, Particulates, etc...), it will display the measurement level values in a graphical format.

Viewing trend data in the measurement screen

The example in Figure 5-13 displays particulate trend data with one second level values.

 Trend data screen

1.

To select a trend screen, first select a measurement screen you want to view.

Trend soft key

Press third soft key to view trend data

Figure 5-13: Selecting Trend soft key

2.

In the measurement screen, press the Trend soft key and a graphical data chart will appear.

 You can either view the data as a “ Line ” format or a “ Bar ” chart format by pressing these soft keys on the bottom of the display.

3.

( Optional ) Press the Altf key to toggle between the trend time scale units and the soft key menu.

4.

( Optional ) Press ▲ / ▼ Arrows to change the vertical range.


84 Past Session

Summary Data Screen

5.

( Optional ) Press ◄ / ► Arrows to change the horizontal range.

Scale

Press up/down to change range

Trend Screen (Dust example)

Plots data logged points over

90 second intervals

Line (or Bar) soft keys

View trend data as a bar chart or as a line chart by pressing this soft key.

Figure 5-14: Trend Screen for PM (Dust)

6.

Press On/Off/Esc to return to previous screen.

Past Session

The past session summary screen allows you to view your session summary data. You can view sessions by name and file size, name and date, or name and run time via the lookup soft key. Once a session is selected, the measurement summary information is viewable and selectable via

◄ / ► Arrows .

 NOTE: The session run time will appear at the top of display.

Summary Data Screen

 Selecting and viewing past session summary data

1.

From the Start screen, select past session summary menu and press Enter .

2.

In the past session screen, to view the last session, ensure this field is selected then press Detail soft key.

FILES

Allows user to choose any past session. (This appears when File field is selcted.)

DETAIL

Used to view the summary data of the selected session.

Figure 5-15: Past session screen


85 Past Session

Summary Data Screen

3.

To select a specific file, first select the File field and then press the Files soft key and the

Load File screen will appear.

 Optional: press the Look-up soft key to view the file by name and file size, name and date, or name and run time. To select, press up/down arrow and then press the Load soft key to select.

 NOTE: Pressing the Enter key will sequence the files size, date, and run time.

 To select a session, press ▲/▼ Arrows and press the Load soft key.

Look-up

Re-arrange how the sessions are organized.

Past sessions listed by

Name and date order

Files soft keys

Lookup

PG-UP

PG-DN

LOAD

Figure 5-16: Past Session with Files selected

Explanation

Look-up soft key: used to organize the session files by the following: Name & file size, Name &date, or Name& run time

Displays the previous page of session files.

Displays the next page of session files.

Once you select a session file to view, press the Load soft key in order to

LOAD and then view the detailed summary data screens.

Table 5-4: Past session files soft keys explained


86 File System Menu

Deleting Sessions Individually

4.

Once a file is selected and loaded, press the Detail soft key to view the summary data.

 NOTE: The particulates, toxic gas, CO

2 gas, and PID sensors will detail the following measurement parameters: Min, Max, Avg, Max STEL, TWA. For RH, Temp, and Air

Velocity, the measurement parameters include: Max, Min, and Avg.

Session run time

Summary data

Measurements viewable for particulates

PM4

Indicates the summary data you are viewing.

Figure 5-17: Summary screen of a past session

5.

When viewing summary data, press ◄ / ► Arrows to view summary data for each sensor. (This is similar to viewing measurements during run or stop mode.)

 In the summary data screen, the session run time will appear in the upper hand corner of the display.

 NOTE: For particulates summary data, it will display the impactor setting applied during the measurement (i.e., PM4).

6.

To return to the main screen, press On/Off/Esc twice to return to the Start screen.

File System Menu

With the File system menu, you can delete or clear sessions one-by-one or delete all sessions. You can also verify the used and free memory of the instrument via the Properties menu. The instructions below explain the Session Directory menu, Delete All Session menu, and the File System Proprieties menu.

Deleting Sessions Individually

 Deleting sessions individually

1.

Open the File System screen from the Start menu and select the Session Directory menu. Then, press Enter to open.

2.

In the File System/Sessions screen, you have the same soft key selections as the Past Session

Summary menu. (See Table 5-4 for soft key explanation.)

3.

To delete a selected session, first select a specific session to delete by pressing the

▲/▼ Arrows .


87 File System Menu

Delete All Sessions

4.

Press the Delete soft key. A Delete pop-up screen will appear. To confirm the delete, press the

Left arrow and then press the Enter . (This will delete the selected session.)

Delete message

Press left/right arrow to select “Yes” or “No”. Then press Enter key.

Figure 5-18: Delete session message

5.

Repeat these steps until all of the appropriate sessions are deleted (or see the next section,

“Delete All” to delete all of the sessions.)

Delete All Sessions

Once you have reviewed your data and possibly downloaded to DMS for future storage, you can delete all sessions.

 Deleting all sessions

1.

Open the File System screen from the Start menu and select the Delete All Sessions menu.

Then, press Enter

to open.

2.

A delete message will appear. Press the left arrow to select Yes and press Enter

to delete all sessions.

Delete all sessions message

Press left/right arrow to select “Yes” or “No”.

Then press Enter key.

Figure 5-19: Delete all sessions message

3.

A message stating “deleted all sessions will appear”.

4.

To return to the start screen, press On/Off/Esc .


88 File System Menu

Memory Remaining and File Properties

Memory Remaining and File Properties

The properties screen displays the number of stored files, the total amount of space used on the instrument, and the amount of free memory space.

 Viewing remaining memory and file properties

1.

Open the File System screen from the Start menu and select the Properties menu by pressing the Down arrow key.

2.


key to open the

Properties screen.

 Num Files field – indicates the number of files saved on the instrument.

 Used field – indicates the amount of memory used in the instrument’s file storage.

 Free field – indicates the amount of memory available (or free) on the instrument.

File system properties

Summarizes the memory remaining on the instrument.

Figure 5-20: File Systems properties screen


89 File System Menu

Estimated Run Time

Estimated Run Time

The Estimated Run Time screen displays the amount of days, hours, and minutes’ remaining on the instrument. You can extend the run time if you log less parameters (such as, only logging MAX or increasing the log interval.)

You may want to download and save your files in DMS and then clear the memory on the EVM. This will

also extend the logged time. For more information on estimated run time charts, see Appendix A ,

“Estimated logged run times.”

 NOTE: The estimated run time screen is also viewable via the logging setup screen (for more

details, see Chapter 3 , “setting logging and viewing runtime”).

 View estimated run time

1.

Open the File System screen from the Start menu and select the Estimated Run Time menu by repeatedly pressing the Down arrow key.

2.


key and the

Estimated Run Time screen will appear.

Figure 5-21: Viewing estimated run time


90 File System Menu




91 Detection Management Software

Environmental Monitor Communication

Detection Management Software

CHAPTER

6

Environmental Monitor Communication

Once communicating with the Environmental Monitor (EVM) and Detection Management Software

(DMS), you have the option to download data, configure instrument parameters, and configure quick setup features, such as the time and date settings. The following explains the EVM communication download and/or setup steps.

1.

Plug the USB cable into the powered on EVM and then connect it to the computer port.

Figure 6: Communicating with the Environmental Monitor and Detection Management Software


92 Environmental Monitor Communication


2.

From the start page of DMS, select either button (see ❶ ) or button (see

❷ and the Instrument Communications page will appear with setup and download panels.

3.

Select Air Quality and then select EVM under Instrument (see ❸ and ❹ ). You are now ready to setup or download your instrument (see ❺ ).

❸

❶ ❷

❹

Figure 6-1: DMS Start page and Setup/Download options


Double-click to select/view

QT34/36 data in charts and graphs

2

1

93 Downloading Data with the EVM

Selecting a session/study

Downloading Data with the EVM

The Instrument Download feature enables you to download your files from the EVM Series into the software for review and analysis of the data. Once the files are downloaded and if “Go to Session

Finder after Download” is checked, DMS will open into the session finder page. To download, follow the steps below:

1.

To download the EVM data, ensure your instrument is communicating properly. (See communication setup for details.)

2.

From the Start page, select the button.

3.

Select the Air Quality family and the EVM from the Instrument window (see ❶ ).

4.

Press the Download button (see ❷ ).

❶

❷

Figure 6-2: EVM and downloading

4

EVM: Viewing Data

The data finder page, displayed below, is used to view, select, analyze, and create reports after the data is downloaded. . The data is presented in a bar chart style with measurements/parameters displayed on the top navigational bar by family. 3

Selecting a session/study

To view downloaded data from the welcome page, click on the screen will appear. (Or select the Data Finder tab if already opened.)

button and the data finder

1.

Select a session by either double-clicking on data or click on the session/study and select the

button.

 Family: Air Quality: EVM data is stored in this family (see ❶ ).

 Session/Study: The EVM data is organized by the table headings, such as the session/study name (see ❷ ).

 Start Time : To quickly locate your study by most recent start time, click on the Start Time heading and it will sort ascending/descending (see ❸ ).

 Analyze/Report: Select a session and then click on one of the buttons (see ❹ ).


94 EVM: Viewing Data

EVM Panel Layout View (PLV) Page

Sample Data

❶

❷

❸

❹

Figure 6-3: Data finder page

EVM Panel Layout View (PLV) Page

The measurements and parameters will be displayed in charts and graphs which may be customized for analysis and/or reporting purposes.

 NOTE : A report format.

button provides a quick link to viewing the panel layout view data in a

1.

The PLV page is divided into Work Items (see ❶ ), Add panel (see ❷ ), Arrange Panels

(see ❸ ) and Data Panels (see ❹ ).

 Work items ( ❶ ) – select either the session or study (in order to view appropriate measurement/parameter data).

 Add panel ( ❷ ) – double-click on a chart/table type and it will appear as a panel on your screen.

 Arrange panels ( ❸ ) – displays the order of the sessions/studies displayed in the panel section of your screen.

 Data Panels ( ❹ ) – used to view your measurement and/or parameters from your study.

 NOTE : Use the menu bar icons and/or configure icon to customize parameters.

 Toolbar and Configure button ( ❺ ) –used to customize or select different measurement parameters.


95 EVM: Viewing Data


❶

❷

❸

❹

❺

Configure button and toolbar

❹

Figure 6-4: Charts and Graphs (panels)

2.

To change the graph/table data parameters, click on the button. Each graph/table may have different configurable parameters depending on the parameters applicable to the specific panel.

3.

To view the data as a report, click the button (see ❻ ).

 NOTE : The panels will print in the order in which they are displayed in the panel layout page.

4.

The quick tips below explain how to customize the panels and/or graphs/tables:

 To stretch the graph/tables , click on one the corner’s edge of a chart or table and drag the mouse. The graph/table will expand or shrink when resizing.

 To move the graph , click, drag and drop to the appropriate panel position.

 To change ranges, when clicking on either the x -axis or y -axis, click and drag the mouse until the appropriate range is selected.

 NOTE : It will span the numbers up or down depending on how you drag the mouse.

 To save a layout, Right-click outside the tables/graphs area as displayed below. Click

Remember Setting (see ❻ ).

❻


96 EVM Reports and Printing


EVM Reports and Printing

To quickly create reports, open your data (in the data finder page) and click the quick report button. A standard template of charts and graphs (or panels) will appear in the report.

 NOTE : The charts/graphs will appear in the order displayed in the panel layout page.

 Viewing reports: if you are in the data layout page and you have rearranged the charts/tables, the report will print in the sequence in which they appear on the screen.

 Printing reports : while in the report view page you have two options outlined below:

 Click on the icon from the title bar.

 Click on the icon from the session report title bar.

Print

Customize the report by inserting on-site testing images

EVM-7 Sample #2

Report example with logged data chart displayed with EVM data EVM-7 Sample #2: Logged Data Chart – Read Only

TSI Supported Format

Customize the report by inserting on-site testing images via the button.

Figure 6-5: EVM data in a report format



Customizing Reports

Customizing Reports

To modify the reports with customized headers, footers, report titles, company logos (etc), the customize report feature may be used.

 From the report creation options box (see ❶ ), click on button.

 There are four windows to modify (if applicable) which include: company information, cover page, report, and headers/footers.

 The example below displays customizing the header and footer.

TSI Supplied Format

TSI Incorporated www.tsi.com

❷

Type in text or use the icons to create customized heading/footer.

To change the

TSI logo and add your company’s logo, click on the image icon.

Figure 6-6: Customizing DMS reports



EVM Setup

EVM Setup

There are seven configurable EVM setup screens (see ❶ in Figure 6-7 below) in the setup page. With the EVM, you have the option to save the configurations either on the instrument and/or store the configurations in DMS.

 NOTE : If you save the profiles in the software, this can be used as a time management tool to organize and save all the setups for future use.

Note that there are five different models with different features and functionalities. Some of the setup parameters may not be applicable to your model. Refer to the user manual to understand the models in more detail.

Saving and Sending Configurations

With the EVM, there are saved setup profiles used to quickly access and apply to your EVM. Below explains how to save configuration settings in DMS and how to send to the instrument.

 NOTE : To only send the setup, skip to step 3. Refer to this section as you setup your instrument.

1.

To save the EVM configuration in the software, click on a name in the Configuration Profile

Management panel (see ❶ ). ( Note : The name will be shaded a light gray when selected.)

 To create a new profile name, click and type in a profile name. Click under the configuration profile management panel).

Save . (It will save

2.

Click on the button (see ❷ ) and type in a Name . Click Ok .

 NOTE: This saves the configuration file to the EVM.

3.

To send to the instrument, click on the (see ❸ ).

❶

❷

❸

Figure 6-7: Saving and sending EVM setups

Setups:

Click on the tabs to setup/view:

 Auto-Run, Security, General,

Triggering, Logging, Particulate,

Firmware Update



General EVM Setup

General EVM Setup

The EVM’s general settings are used to setup the instrument with basic parameters. Refer to the EVM parameters table below for details.

1. Click on the General tab from the EVM’s Instrument Communications panel (see ❶ ). To change the general settings, follow one (or all) of the selection options below.

 Click on the arrow and select an option.

 Click on the arrows and select a numeric value or type in a value.

2. To set the general features, click on or save (see ❷ ) and Send Configuration (see

❸

). For more details see “ Saving and sending configurations ”.

❶

❷

❸

Figure 6-8: General EVM setups

EVM General Parameters Table

General

Parameters

Language

Name Field

* Note

: Refer to Glossary for more detailed information

With the language setting, there are six options including: English, Spanish,

German, French, Italian, and Portuguese.

The backlight is used to illuminate the screen from a dark gray to a light gray color. Backlight

State

Key Clicks

Temperature

Units

PID

Correction

Factor

With the key click setting, you can turn the sound to “on” and each time you press a key on the keypad you will hear a soft click sound. This can be disabled by choosing the “off” setting.

The temperature unit is selectable either in Celsius or Fahrenheit via a drop-down box.

The PID correction factor is automatically set to 1.0. For best results, it is recommended to add a correction factor to the relevant VOC you intend to measure.

Note

: Appendix C provides a listing of PID correction factors.



EVM and Logging Settings

General

Parameters

Air Velocity

Input Enable

Air Velocity

Units

Molecular

Weight

PID Units

Name Field

* Note

: Refer to Glossary for more detailed information

Air Velocity measurements are conducted with an add-on air velocity probe and can be enabled/disabled in DMS. ( Note : The instrument will automatically detect if the air velocity probe is connected.)

Air velocity units (if enabled and an air probe is connected) is measured in either meters per second (m/s) or feet per minute (ft/m).

The default Molecular Weight is programmed to 56 with a correction factor of 1. To change this value either type in a new value or use the up/down arrows.

The PID PPM or PPB sensor (for VOC measurements) setting is one of the four:

PPM, mg/m 3 , PPB, or μg/m 3 .

EVM and Logging Settings

The EVM logging screen is used to setup your data logging options. The EVM provides a choice of selectable logging parameters with a specific logging rate (also called logging intervals) and an averaging time. Refer to the Logging table below for an explanation of features.

1.

Click on the Logging tab (see ❶ ) from the EVM’s Instrument Communications panel. To change the logging settings, follow one (or all) of the selection options below.

 Click in the Enabled checkbox to log specific parameters which includes: Levels, STEL,

Max, Min, and Avg. (See ❷ ).

 Click on the arrows and select a numeric value or type in a value.

 Select a Logging rate by clicking on the drop down arrow and selecting an option from the logging rate list.

2.

To set the logging settings, click on

see “ Saving and sending configurations ”.

or save and send to the EVM (for more details




EVM Logging Parameters Table

Logging

Parameters

Logging setup

To enable logging, click in the specific checkbox to enable one or all of the following measurements:

 Level : The instantaneous measurement at a specific point in time.

 STEL : The maximum concentration above the time-weighted average that employees can be exposed to over a specific time period (usually 15 minutes) no more than four (4) times per day. (See PEL for more information.)

 Max: The maximum measurement over the time interval (or logging interval).

 Min: The minimum measurement over the time interval (or logging interval).

 Avg: The measurement value over the time interval (or logging interval).

Logging rate Logging rate/interval (also called time history data) sets the frequency at which data will be logged during a session. The settings include: 1, 5, 15, 30 seconds and 1, 5,

10, 15, 30, and 60 minutes.

Averaging time

Name Field

*Note: refer to Glossary for more detailed information

A type of data filtering which is applied to the Level measurement. The selectable parameters are 1-30 seconds.

❶

❷

Figure 6-9: Logging EVM setups

EVM and Auto-Run Setting

The EVM has four programmable auto-run settings including a timed run, a date, a day of week (DOW), and a disabled mode.

The following Auto-Run settings are briefly explained below:

 Timed-Run mode : With Timed Run, the EVM is powered on and run is enabled. The EVM will automatically stop based on the programmed duration.




 Date mode : With Date mode, With the date mode, it will wake up the instrument from a powered down or on condition, runs the study, saves it, then powers down again. Up to four date settings are programmable with a specified date, time (in hours, minutes, seconds), and duration via the soft keys.

 Days of week mode : The days of the week (DOW) setting is a pre-programmed weekly auto-run with a specified day, start time, and duration with two auto on settings. The programmable settings include a day of the week, start time, and duration.

Timed-Run and Auto-Run Setting

To enable the Timed-Run mode, follow the steps below.

1.

Click on the Auto-Run tab (see ❶ ) from the EVM’s Instrument Communications panel.

2.

Click in the Enabled checkbox and click in the Timed-Run field.

3.

Ensure Timed-Run tab is selected (see ❷ ) below and select the Duration by either using the arrows or type in a duration value.

4.

To set the auto-run, click on

“ Saving and sending configurations ”).

or save and send to the EVM (for more details see

❶

❷

❸

Figure 6-10: EVM Timed-Run Auto-Run setting

Date and Auto-Run Setting

To enable Date mode, follow the steps below.

1.


2.

Click in the Enabled checkbox and click in the Date field (See ❷ ).

3.

To enable (or activate) a Date setting, click on the Enabled for Date 1 (See ❸ ).

 To set the start date, either use the icon or type in a date value.

 To set the start time and duration, either use the arrows or type in a numeric values.

4.

To enable additional date settings (Date 2 – Date 4), repeat step 3.




5.


“ Saving and sending configurations ”.


❶

❸

❷

Figure 6-11: EVM Auto-Run with Date setting

Day of Week and Auto-Run Setting

To enable Date mode, follow the steps below.

1.


2.

Click in the Enabled checkbox and click in the Day of Week field (see ❷ ).

3.

To select a day or days click in the appropriate day boxes.

4.

To set the Start Time and Duration , either click on the

5.

To enable Day of Week 2, repeat steps 3–4.

6.


“ Saving and sending configurations ”.

or type in numeric value (see ❸


).

❶

❷

❸

Figure 6-12: EVM Auto-Run with Day of Week setting



EVM and Security Settings

EVM and Security Settings

The security or lock feature is used to prevent a user from interrupting a run and/or prevents someone from changing a setup or saved setups on the instrument.

 NOTE : A default code, “9157”, will disable secure run or secure setup if the numeric Passcode is forgotten.

1.

Click on the Security tab (see ❶ ) from the EVM’s Instrument Communications panel.

2.

To set the Secure Setup Mode or Secure Run Mode , follow below:

 Click in the Enabled box to turn on secure run setup mode and/or secure run mode.

3.

Type in a passcode (4 numeric characters).

4.




❶

❷

❸

❹

Figure 6-13: EVM Auto-Run with Day of Week setting

EVM and Triggering Settings

There are two types of triggering outputs which may be programmed to with one of the seven sensors.

 NOTE : Refer to the EVM triggering table identifies the components of this setup screen.

Digital output: You can connect an external device to the monitor. This can be used to signal a specific level to turn on a notification device, an LED, or a fan motor at a specific threshold (or set point). Once enabled, the following three are selectable parameters: a sensor, logic setting, and threshold setting.

Analog output : Enables the analog output on the device when checked. The analog output will vary between 0–5 volts based upon the minimum and maximum levels for the particular sensor.

1.

Click on the Triggering tab (see ❶ ) from the EVM’s Instrument Communications panel.



EVM and Triggering Settings

2.

To set the Triggering for Digital Output or Analog Output , follow the steps below:

 Click in the Enabled box to turn on Trigger digital/analog output.

 For the Logic level, click the arrow to select a level (for digital output only).

 For the parameter, select one of the sensors ( Note : For air velocity, verify the sensor is attached to the EVM and selected in the General panel of DMS.)

 For the threshold, type in a value for the selected parameter or use the to select.

3.

To set the triggering setup, click on



❶

❷

❸

Figure 6-14: EVM Triggering setup

Triggering parameters

Digital Output

Analog Output

Logic level (Also called “Mode” on the EVM)

Parameters

Threshold

Air velocity input

Units

Explanation

Enables the digital output on the device when checked per the mode, parameter, and threshold settings. NOTE : Only one of these parameters (Digital Output, Analog

Output, or Air Velocity) can be enabled at one time.

Enables the analog output on the device when checked. The analog output will vary between 0-5 volts based upon the minimum and maximum levels for the particular sensor.

The type of signal that will be triggered when the parameter and threshold are satisfied. It may either be active high, active low, active high pulse, or active low pulse.

(Reference Table 3-3 for detailed information.)

The sensor that is to trigger the digital/analog output.

The threshold at which the sensor will be triggered for the given parameter.

Enables the Air Velocity Input when checked. NOTE : This is mutually exclusive with the digital out meaning that only one or the other can be enabled at any given time.

Sets the units in which the wind speed will be measured, either meters per second or feet per minute.



EVM and Particulate Settings

EVM and Particulate Settings

The particulate settings may be programmed with up to 8 correction factor profiles. It also provides the capability to view the mass and volume of the gravimetric accumulator and gravimetric volume if get configuration is selected. To update, follow below.

1.

Click on the Particulate tab (see ❶ ) from the EVM’s Instrument Communications panel.

2.

To customize particulate profile names, double-click on the Name of the particulates (see ❷ ).

 The edit profile screen will appear (see ❸ ). Type in a name and type in the appropriate correction factor or use the key to set the numeric value. Repeat this step as necessary to setup eight correction factor profiles.

3.

The active profile field (see ❹ ) may be set to a customized profile name with a designated correction factor (see step two for details). To set an active profile, click on the arrow and select one of the profile names. (Not applicable if step 2 was skipped.)

4.

To set the Units , select the arrow and select a unit of measurement.

5.

To set the particulates setup, click on

see “ Saving and sending configurations ”).

or save and send to the EVM (for more details

❶

❸

❷

❹

Figure 6-15: EVM Auto-Run with Day of Week

EVM and Particulates Setup

Particulates setup screen

Particulates checkbox

Profile names

Explanation

Enables the particulates/dust sensor when checked.

Active profile

Names associated with a given correction factor managed within the EVM device. To edit a given profile name or user correction factor associated with a profile name. double-click the profile name (i.e. PROFILE1) of the desired profile.

The profile that is currently being used for dust measurements by the device.



EVM Firmware Update

Particulates setup screen

Units

Gravimetric accumulator

Gravimetric volume

Get setup from instrument button

Send setup to instrument button

Saved setups window

Explanation

Particulate sampling is measured with either mg/m 3 or µg/m 3 . This is selectable via the drop down menu. Particulates setting is either in mg/m 3

(milligrams per cubic meter) or µ g/m 3 (micrograms per cubic meter).

The amount of dust, in milligrams, that has been accumulated by the dust sensor since the last time it has been reset.

The volume of air that has passed through the gravimetric filter since the last time it has been reset.

Retrieves the setup configuration from the device for the General, Input /

Output, and Dust Configuration tabs.

Sends the setup configuration from the General, Input / Output, and Dust

Configuration tabs to the device.

From this window you can save or load a default or custom configuration profile that has been or will be archived for quick access.

EVM Firmware Update

The firmware update screen is used to update the latest software to EVM Series. With a firmware update, the Web Server option enables you to update through an internet connection. If you do not have internet capability, the File option is used in place of the first option.

 NOTE : Contact TSI, for details on obtaining updates www.tsi.com

or email: [email protected]

. Follow below to update your instrument.

1. Ensure the EVM Series is communicating. (See “ EVM Communication setup ” above for details.)

2. Click on the Firmware Update tab and either select Web Server or File .

3. Click on the button to send to the instrument.



EVM Firmware Update



109 Maintenance and Cleaning

Overview

Maintenance and Cleaning

CHAPTER

7

Overview

The maintenance and cleaning chapter discusses how to care for the following items:



Care and cleaning with the PID sensor



PID cleaning kit

(optional accessory, part number 074-080, see “ Customer Service ” or email

[email protected]

for details.)



Optical Engine : maintenance and cleaning



Impactor care



Gravimetric cassette and filter paper

PID Sensor

The following section explains basic installation, maintenance of the PID sensor, and cleaning the lamp.

 NOTE : The PID cleaning kit is sold as an accessory. For technical support,

see “ Customer Service ” or call TSI at 1-800-680-1220 (USA) or

(651) 490-2860.

The Photoionization detection (PID sensor) is used to measure airborne pollutants. As it is measuring and detecting for Volatile Organic Compounds (VOCs), the gases freely diffuse in and out of the sensor chamber which is formed by the filter, housing walls, and a UV lamp opening (window). It is important to keep the UV lamp clean and the electrode pellet (lid placed over the lamp housing) clean.

 NOTE: Regarding PID and performance : with the PID sensor and humidity sensitivity, this uses the fence electrode technology to minimize humidity.


110 Overview

Removing and Installing PID Sensor

Removing and Installing PID Sensor

If you ordered a PID sensor with your instrument, it will be shipped with an installed PID sensor that was factory calibrated. The following procedures explain how to remove and install the PID sensor.

1.

Verify the EVM is powered off and the external power supply is unplugged.

2.

Remove the sensor bar by unscrewing the two screws. Next, gently remove the sensor bar, by titling the front and lifting up. (The rubber gasket may stick a little as you lift the sensor bar off.)

Place the sensor bar to the side.

3.

A black bar (called the manifold) will be placed over the sensors. Remove this by pulling it out of the housing and set aside.

4.

Placing your fingers on the middle sensor (PID sensor), gently tilt the front of sensor up as you pull the sensor out with your thumb and index finger. Place to the side.

Sensor bar

Manifold

Screw 2

Screw 1

PID sensor (located in the middle of the sensor housing)

Figure 7-1: Removing and inserting PID sensor

5.

To insert the PID sensor, line the pins up to the circuit board and lower it vertically down and gently push it into the sensor cavity. It will fit snug.

6.

To reassemble, place the manifold over the sensor housing and then place the sensor bar on top

of the manifold and sensor housing. Tighten down the two screws. (See the Calibration section to

perform a calibration with the newly installed sensor).


111 Overview

Maintenance and Cleaning Overview of PID

Maintenance and Cleaning Overview of PID

Periodic maintenance is encouraged to ensure accurate VOC measurements. If you are in an environment with high concentrations of VOCs with aerosols and high particulates, you will want to check the calibration frequently and clean the components. When the PID loses sensitivity, you will want to change the electrode pellet.

 NOTE : Due to the increased sensitivity of the PID ppb sensor, it is recommended to replace this

pellet more often. (See Appendix A Accessories and adapters for details.)

The following are three recommended maintenance/cleaning benchmarks , recommended by

Ion Science.

1.

After performing a zero calibration, the baseline climbs. (You should replace the electrode pellet).

2.

Under highly humid conditions, replacement of the electrode is needed.

3.

If the baseline is unstable or shifts when you move the PID, then cleaning is needed.

Cleaning PID Sensor

Cleaning of the PID sensor requires removing the plastic, intelligent sensor casing, removing the electrode pellet, and removing the lamp. Once removed, the lamp is cleaned off with the cleaning kit

(available as an optional accessory). The flowing procedures explain how to clean the PID sensor components.

 Removing and Cleaning the sensor

1.

Remove the PID sensor (follow steps outlined in, “ Removing and Installing PID Sensor .)

2.

Using a flat-head screwdriver, gently pry open the plastic, intelligent sensor casing where the small rectangle crevice is on the backside of the housing. Using some force, lift the top off (the bottom section is glued in.)

Remove intelligent sensor casing

Figure 7-2: Removing intelligent-sensor casing with PID


112 Overview

Cleaning PID Sensor

3.

Using the pellet removal tool (displayed below), insert into the side crevices and place your thumb over the black pellet.

 NOTE: Once you squeeze the pellet removal tool, the lid will pop off with the lamp. In order to prevent it from popping out, it is important to place your thumb over the black pellet first.

Electrode Pellet removal tool

Figure 7-3: Removing the lamp with removal tool

4.

Set the electrode pellet and lamp to the side.

 NOTE : Use a paper towel, or a cloth without fibers, when handling these pieces to prevent oils from your hands transferring to the lamp or pellet.

Electrode Pellet

The lamp twists onto this pellet cover

Lamp

PID sensor

Displayed without the (plastic) Intell-sensor casing

Figure 7-4: Remove/insert PID sensor with lamp & pellet

5.

Using the PID cleaning kit ( optional accessory ), open the alumina oxide polishing compound and insert a cotton swab.

 In a circular motion, polish the lamp until an audible squeaking sound is heard (about

15 seconds). DO NOT touch the lamp window with your fingers. Remove any residuals of the compound with a cotton swab.

Caution

The cleaning compound, alumina oxide, should not be inhaled and can be an irritant to your eyes. Be cautious when handling the powder compound

Figure 7-5: PID sensor cleaning kit

(optional accessory)


113 Optical Engine: Maintenance and Cleaning


6.

To refit the lamp and electrode pellet properly, it is recommended to twist the lamp into the O-ring of the electrode pellet (twist clock-wise one full turn) ensuring you use a cloth (with no fibers).

7.

Then, lower into the PID sensor as displayed below.

Electrode Pellet and lamp attached

Figure 7-6: Fitting/Inserting the lamp and pellet

8.

Place the plastic Intel-sensor casing over the sensor. Press firmly to snap it into place.

9.

Insert it back into the sensor housing as explained in “Removing and inserting PID sensor”.

10.

After cleaning, you need to perform a zero and span calibration (see PID calibration.)

Optical Engine: Maintenance and Cleaning

The optical engine should be cleaned when the following conditions occur:

 It will not zero

 Exposed to oily or wet mists.

 Readings are falling lower and lower indicating dirty mirror




To clean the optical engine, this requires the use of a 1/16th Allen wrench and a cotton swab.

 Maintenance and cleaning of the optical engine

1.

Remove the two screws on the optical engine using a Phillips screwdriver.

2.

You have two options when removing the screws:

 Your first option is to loosen the two screws and turn the D-Ring so the flat angle is facing the circular metal plate.

 Your second option is to remove the two screws and D-ring and set these aside.

Screw with D-ring

Mirror on optical engine

Screw with D-ring

Figure 7-7: Optical engine and cleaning

3.

Next, lift the spherical mirror up and off by using a flatheaded screwdriver. Using a clean cotton swab, gently wipe the spherical mirror in a circular motion. Set aside.

4.

Using a clean cotton swab, gently wipe around the outer cavity of the optical engine.

Mirror from optical engine




5.

For the photodiode (positioned on the bottom of the optical engine), gently wipe around the bottom of the optical engine using a clean cotton swab/cotton ball.

Photodiode

Outer cavity of optical engine

Figure 7-8: Cleaning the optical engine

6.

Place the spherical mirror back over the optical engine. Gently push it into the cavity of the optical engine.

 NOTE: If you loosened the D-ring and screws, ensure the flat side of the D-ring is facing the metal ring as you place it back into place. If you removed the screws and the D-ring, this will not apply.

7.

Tighten down the two screws and D-rings with the Phillips screwdriver.


116 Impactor Care


Impactor Care

The impactor will require periodic greasing and cleaning which is dependent on the density of air particulates floating in the intended measurement environment.

 NOTE : The impactor must be greased before your first measurement.

 Greasing and cleaning impactors explained below:


117 Gravimetric Cassette and Filter Paper

Impactors and When To Clean

Impactors and When To Clean

When the dust accumulates on top of impactor plate in a pyramid form (as displayed in the figure below), this signifies the impactor plate requires cleaning.

For example, in a dense, dusty manufacturing plant, this may require greasing and cleaning after each measurement or every 10 hours of measuring.

Apply a very thin-film of silicone grease before calibrating and measuring (on the appropriate impactor setting.)

When dust accumulates in a pyramid form on top of the impactor, this indicates cleaning is required.

Figure 7-9: When to clean impactors

Gravimetric Cassette and Filter Paper

A filter paper in the gravimetric cassette (also referred to as “gravimetric pump protection filter”) is userreplaceable and is included in your kit. It is suggested to replace the filter paper when the flow rate is not maintained. The instrument will display a warning message when it needs replacing.

 Replacing the filter paper in the gravimetric cassette

1.

Remove the cassette by opening the back door and gently remove the cassette from the housing.

2.

Open the gravimetric cassette by twisting the two pieces apart.

3.

Remove the filter paper and replace it with a new paper.

4.

Put the cassette back together and insert it back into the housing.

 NOTE: When installing the cassette, make sure the side labeled inlet is attached to optical engine. Also the filter paper should be on the bottom of the cassette.

Gravimetric cassette

 Pulls apart into two pieces

Replaceable filter paper

Figure 7-10: Gravimetric cassette and filter paper maintenance


118 Gravimetric Cassette and Filter Paper

Impactors and When To Clean



119 Specifications

Particulate Sensor

Specifications

Particulate Sensor

Method

Photometer

APPENDIX

A

Particulates

Display Range

0.000- 200.0 mg /m 3

(Non-condensing)

0 to 20,000 µg/m 3

0.1 – 10 µm

Display Resolution Accuracy/Repeatability

0.001

1

±15% (Calibrated to

Arizona road dust;

ISO 12103-1, A2 Fine

Test Dust)

N/A *See note below

Particulate Sensor - General

Size

Impactor- mechanical

0.1 µm to 10 µm* (* Note : The photometer can detect particles up to 100 µm; however, accuracy is reduced for sizes greater than 10 µm It may not be as accurate.)

Top-mounted, rotary impactor particulate filter

Impactor settings

Measures

PM2.5, PM4, PM10 or PM at 1.67 Liter/minute flow rate

Real-time aerosol/dust concentration using a 90º optical light scattering photometer to report total mass concentration (mg/m 3 or µg/m 3 ) of particulate matter

Gravimetric sampling

Dust correction factors

 Flow: ± 5%, after calibration

 Back-pressure @ gravimetric cassette

 ≥ 5 kPa

 ≥ 20 inches of water @ 1.67 L/min

Up to 8 User-defined particulate correction factors. To correct for variation from

“Arizona Road Dust”.

Life expectancy/Warranty 5,000 hours (for the laser photo-meter)/1 year warranty

Volatile Organic Compounds (VOCs) Gas Detector (PID Sensor)

Method & Detector

Low sensitivity PID

High sensitivity PID

 10.6 electron-Volt Photo-

Ionization Detector

Display Range

0.00 to 2,000 ppm or mg/m 3 ; (Non- condensing)

0 – 50,000 ppb* or

μg/m 3 ; (Non-condensing)

Display Resolution

0.01 ppm

1 ppb

Accuracy/Repeatability

±5% / 2%; (relative

Isobutylene) at cal value

±5% / 2%; (relative

Isobutylene) at cal value

Life expectancy/Warranty 2,000 hours in clean air environment (replaceable bulb and grid)/ 1 year warranty


120 Specifications

Carbon Dioxide Sensor

Carbon Dioxide Sensor


CO

2 sensor

 NDIR (non-dispersive infrared)

*See CO

2

sensor for more details (FAQ section).

Display Range

0 to 5,000 ppm; autoranging (Non- condensing)

* Note : Manufactured before Qtr3 2012 range is 0 to 20,000 ppm.

Temperature Influence

Settling time additional ±0.2%

90% of change in <90 seconds

Life expectancy/Warranty 5 years/ 1 year warranty


1 ppm ±100 ppm @ 20 pressure at 2,000 ppm applied gas.

⁰ C, 1 bar

Relative Humidity Sensor


RH sensor

 Capacitive

Display Range

0.0 to 100%

Temperature Influence

Settling time

0.1%

90% of change in 15 seconds


0.1 ± 5 % RH signal between

10 – 90%

Life expectancy/Warranty 2 years/ 1 year warranty

Temperature Sensor


Temp sensor

 Junction Diode

Life expectancy/

Warranty

Display Range

 0.0 ºC to 60.0 ºC

 14.0º F to 140.0º F

2 years/ 1 year warranty

Display Resolution

0.1

0.1

Accuracy/Repeatability

± 1.1 ºC (± 2 ºF)

± 2ºF


121 Specifications

Toxic Gas Sensors

Toxic Gas Sensors

Gas Type

Carbon Monoxide (CO)

Chlorine (CL

2

)

Ethylene Oxide (EtO)

Hydrogen Sulfide (H

Nitrogen Dioxide (NO

Nitric Oxide (NO)

Oxygen (O

Ozone (O

3

2

)

)

2

S)

2

)

Display Range

0 – 1000 ppm

0.0 – 20 ppm

0.0 – 20 ppm

Hydrogen Cyanide (HCN) 0 – 50 ppm

Display

Resolution

1 ppm

0.1 ppm

0.1 ppm

0.1 ppm

0 – 500 ppm

0.0 – 50 ppm

1 ppm

0.1 ppm

0.00 – 100 ppm 0.1 ppm

0.0 – 30 % 0.1 %

0 – 1.0 ppm 0.01 ppm

Sulphur Dioxide (SO

2

) 0.0 – 50 ppm 0.1 ppm

Accuracy/

Repeatability

Life expectancy/ warranty

5%/ 2% of signal 2 years/ 2 years

5%/ 2% of signal 2 years/1 year






5%/ 2% of signal 2 years/ 2 years

5%/ 2% of signal 18 months/12 months (sensitivity drift 10% over 6 years)


Air Velocity Accessory (Optional – Air Probe 10)


Omni-directional heated thermistor windprobe

Display Range

0.0 – 20.0 m/s

0 – 3940.0 ft/min


0.1

1

± (0.12 m/s + 4.5 %)*

± (23.6 ft/min + 4.5 %)*

*of measurement value

Battery life

Charge time

Life expectancy/Warranty

6 - 8 hours for fully charged NiMH battery

9 hours

1 year/ 5 years

Displayed Data

Measurements Level, Minimum, Maximum, Average, Short-Term Exposure Level (STEL), Time

Weighted Average (TWA)

Real-time measurements Once per second display update rate

Time history data logging intervals

1, 5, 15, 30 seconds, 1, 5, 10, 15, 30 and 60 minutes

1.5, 3, 15 minutes, 1.5, 3, 8, 12 and 24 hours Trend graphing intervals for all parameters

Status indicators Battery, Run, Pause, Stop, Overload and Under Range


122 Specifications

Electrical Characteristics

Electrical Characteristics

Battery life Approximately 8+ hours of continuous operation at normal operation under reference to environmental conditions when full capacity batteries are installed.

Battery pack Rechargeable Lithium-Ion

External DC power input 10 to 16 Volt Power Inlet (Nominal 12VDC) 1.5A

Power adapter

Memory capacity

Universal AC adapter 100 to 240 VAC; 50-60 Hz

2 MB – over 24 hours at 15 second logging interval

Environmental effects

The typical time interval needed to stabilize after changes in environmental conditions is 5 minutes for each 10ºC change.

Operating Conditions Temperature: 0 ºC to + 50 ºC (32 ºF to 122 ºF)

Pressure Range: 65 KPa to 108 kPa

Storage Conditions

Relative Humidity Range: 10% to 90%, Non-Condensing

Temperature: -20 ºC to + 60 ºC (-4 ºF to + 140 ºF)

Relative Humidity Range: 0 to 95%, Non-Condensing

Battery: Insure battery is re-charged every 6 months during long-term storage.

Physical characteristics

Size and weight

Weight

Housing

Display size

Backlighting

Keys

19 cm x 19 cm x 7 cm (7.5” x 7.5” x 2.75”)

1.3 kg (2.9 lb)

Static dissipative ABS-Polycarbonate

128 x 64 pixel display that measures 6 cm x 4.8 cm (2.4 in. x 1.9 in.)

Manual setting

Five keys have dedicated control functions, another five are primarily used for selection and navigation, and another four provide variable functions when they are defined in the display (soft keys). Audible (beep) feedback

Measurements units

Particulates

Carbon Dioxide

Relative Humidity

Temperature

Toxic Gas

VOCs

Air Velocity mg/m 3 ppm

%

ºC or ºF ppm (Option) (Using one of the toxic sensors indicated in “Toxic Sensors”) ppm or ppb (Options) (Using PID – 10.6eV Photo Ionization Detector) m/s or m/ft (Options) (Using external air probe accessory)


123 Specifications

Operating Modes

Operating Modes

Live-view screen

Logging screen

Settings

Calibration

Power/Charging

Charging

Pause/Stop modes and Time History

Review screen Pause/Stop modes

Run mode and Time History Review screen Run mode

Stop mode

Stop mode

Off mode

Charging status screen

Time Constants

1 second display update rate with 1 to 30 seconds time constants. (Specifications made at 15 seconds time constant.)

Special Functions

Auto-Run

Security

Software

Sensors

Languages include

Certified

Patents

Programmable via the EVM setup screen or in DMS (TSI Detection Management

Software)

Securing or locking run mode and/or setup via the EVM setup screen or in DMS

TSI Detection Management Software DMS is a user friendly compatible software available for advanced analysis with charts, graphs, reporting, and management of tests.

Auto-detectable when inserted at powered-off mode and then powered on

English, Spanish, German, French, Italian, and Portuguese

CE Mark and RoHS compliance

USPC Class: 73 2805 Class name: Solid content of gas separator detail impactor

Publication date: 03/05/2009 Patent application number: 20090056417


124 Specifications

Estimated Logged Run Times

Estimated Logged Run Times

Standard EVM-7 (Memory and logged time)

(Logging the following Sensors: Dust, Temp, Humidity, CO

2

, Toxic, PID, Dew Pt)

Logging Rate

1 seconds

5 seconds

15 seconds

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1 hour

1

31.0

154.9

464.8

31.0

154.9

464.8

929.6

1859.2

9296.1

18592.1

27888.2

55776.4

111552.8

Run Time (Hours)

Number of Measurements Logged

2

15.5

77.5

232.4

15.5

77.5

232.4

464.8

929.6

4648.0

9296.1

13944.1

27888.2

55776.4

3

10.3

51.6

154.9

10.3

51.6

154.9

309.9

619.7

3098.7

6197.4

9296.1

18592.1

37184.3

4

7.7

38.7

116.2

7.7

38.7

116.2

232.4

464.8

2324.0

4648.0

6972.1

13944.1

27888.2

Logging Rate

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1 hour

1

1.3

6.5

19.4

38.7

77.5

387.3

774.7

1162.0

2324.0

4648.0

Run Time (Days)


2

0.6

3.2

9.7

19.4

38.7

193.7

387.3

581.0

1162.0

2324.0

3

0.4

2.2

6.5

12.9

25.8

129.1

258.2

387.3

774.7

1549.3

4

0.3

1.6

4.8

9.7

19.4

96.8

193.7

290.5

581.0

1162.0

5

6.2

31.0

93.0

6.2

31.0

93.0

185.9

371.8

1859.2

3718.4

5577.6

11155.3

22310.6

5

0.3

1.3

3.9

7.7

15.5

77.5

154.9

232.4

464.8

929.6


125 Specifications


Logging Rate

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1 hour

1.1

2.1

3.2

6.4

12.7

1

0.0

0.0

0.1

0.1

0.2

0.5

1.1

1.6

3.2

6.4

2

0.0

0.0

0.0

0.1

0.1

Run Time (Years)


0.4

0.7

1.1

2.1

4.2

3

0.0

0.0

0.0

0.0

0.1

0.3

0.5

0.8

1.6

3.2

4

0.0

0.0

0.0

0.0

0.1


(Logging the following Sensors: Temp, Humidity, CO

2

, Toxic, Dew Pt)

Logging Rate

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1 hour

1

49.6

247.9

743.7

1487.4

2974.7

14873.7

29747.4

44621.1

89242.2

178484.5


2


3

24.8 16.5

4

12.4

123.9

371.8

743.7

82.6

247.9

495.8

62.0

185.9

371.8

1487.4

7436.9

14873.7

22310.6

44621.1

89242.2

991.6

4957.9

9915.8

14873.7

29747.4

59494.8

743.7

3718.4

7436.9

11155.3

22310.6

44621.1

5

9.9

49.6

148.7

297.5

594.9

2974.7

5949.5

8924.2

17848.4

35696.9

0.2

0.4

0.6

1.3

2.5

5

0.0

0.0

0.0

0.0

0.0


126 Specifications


Logging Rate

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1 hour

1

2.1

10.3

31.0

62.0

123.9

619.7

1239.5

1859.2

3718.4

7436.9

Logging Rate

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1 hour

0.3

1.7

3.4

5.1

10.2

20.4

1

0.0

0.0

0.1

0.2

62.0

309.9

619.7

929.6

1859.2

3718.4

Run Time (Days)

2


3

1.0 0.7

4

0.5

5.2

15.5

31.0

3.4

10.3

20.7

2.6

7.7

15.5

41.3

206.6

413.2

619.7

1239.5

2479.0

31.0

154.9

309.9

464.8

929.6

1859.2

0.2

0.8

1.7

2.5

5.1

10.2


2


3

0.0 0.0

4

0.0

0.0

0.0

0.1

0.0

0.0

0.1

0.0

0.0

0.0

0.1

0.6

1.1

1.7

3.4

6.8

0.1

0.4

0.8

1.3

2.5

5.1

5

0.4

2.1

6.2

12.4

24.8

123.9

247.9

371.8

743.7

1487.4

0.1

0.3

0.7

1.0

2.0

4.1

5

0.0

0.0

0.0

0.0


127 Specifications



(Logging the following Sensors: Dust, Temp, Humidity, Dew Pt)

Logging Rate

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1 hour

1

49.6

247.9

743.7

1487.4

2974.7

14873.7

29747.4

44621.1

89242.2

178484.5


2


3

24.8 16.5

4

12.4

123.9

371.8

743.7

82.6

247.9

495.8

62.0

185.9

371.8

1487.4

7436.9

14873.7

22310.6

44621.1

89242.2

991.6

4957.9

9915.8

14873.7

29747.4

59494.8

743.7

3718.4

7436.9

11155.3

22310.6

44621.1

Logging Rate

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1 hour

1

2.1

10.3

31.0

62.0

123.9

619.7

1239.5

1859.2

3718.4

7436.9

31.0

62.0

309.9

619.7

929.6

1859.2

3718.4

2

1.0

Run Time (Days)


5.2

15.5

3

0.7

3.4

10.3

4

0.5

2.6

7.7

20.7

41.3

206.6

413.2

619.7

1239.5

2479.0

15.5

31.0

154.9

309.9

464.8

929.6

1859.2

5

9.9

49.6

148.7

297.5

594.9

2974.7

5949.5

8924.2

17848.4

35696.9

5

0.4

2.1

6.2

12.4

24.8

123.9

247.9

371.8

743.7

1487.4


128 Accessories: Replacement and Optional Parts


Logging Rate

1 seconds

5 seconds

15 seconds

30 seconds

1 minute

5 minutes

10 minutes

15 minutes

30 minutes

1

0.0

0.0

0.1

0.2

0.3

1.7

3.4

5.1

10.2

0.0

0.0

0.1

0.2

0.8


2


3

0.0 0.0

4

0.0

1.7

2.5

5.1

0.0

0.0

0.1

0.1

0.6

1.1

1.7

3.4

0.8

1.3

2.5

0.0

0.0

0.0

0.1

0.4

5

0.0

0.0

0.0

0.0

0.1

0.3

0.7

1.0

2.0

1 hour 20.4 10.2 6.8 5.1 4.1

Accessories: Replacement and Optional Parts

**All accessories subject to change

Base Unit Parts & Numbers Description

074-718 EVM Carry Case, with foam and labels

074-300

053-263

053-575

Particulate Parts &

Numbers

100-456

074-080

074-076-5

074-090

074-720

EVM Owner’s manual

12 VDC Universal input power supply

USB cable

Description

Silicone dielectric grease for impactors

PID PPM cleaning kit

5-pack of 37-mm gravimetric cassettes (for pump protection) includes one standard filter

10-pack of pump protection filters (for 37-mm gravimetric cassette)

Dust zero calibration filter assembly




Toxic Parts & Numbers

054-875

054-881

054-722

054-886

054-874

074-102

054-873

054-877

054-880

054-878

074-726

Description

Carbon monoxide smart sensor

Chlorine smart sensor

Ethylene oxide smart sensor

Hydrogen cyanide smart sensor

Hydrogen sulfide smart sensor

Ozone sensor

Oxygen smart sensor

Nitric oxide smart sensor

Nitrogen dioxide smart sensor

Sulphur dioxide smart sensor

Toxic calibration adapter

PID Parts & Numbers

074-713

074-080

074-081

074-082

074-097

074-098

100-460

100-459

074-104

Description

PID PPM smart sensor (includes pellet removal tool)

PID PPM cleaning kit

PID PPM replacement lamp

PID PPM replacement electrode (grid) pellet

PID PPB smart sensor

PID PPB replacement lamp

10 PPM isobutylene cal gas

Ultra zero grade air cal gas

PID PPB replacement pellet (grid)

CO

2

Parts & Numbers

074-733

074-712

054-972

Description

CO

2

Smart sensor. 5-pin sensor. For models manufactured after

Qtr 3 2012.

CO

2

Smart sensor. 7-pin sensor. For models manufactured before

Qtr 3 2012.

1.0 L/min regulator with 2’ (0.050” ID) inert tubing




Options Parts & Numbers Description

054-899 Dummy sensor (used to seal the socket when no gas sensor is present)

053-870

Air Probe-10-120

12 VDC car charger adapter

Air-Probe 10 kit includes 120V charger, adapter cable and mounting bracket.

Air Probe-10-220

074-083

Air-Probe 10 kit includes 220V charger, adapter cable and mounting bracket.

Air-Probe adapter cable (included with each air probe option)


131 Customer Service

Technical Support Contacts

Customer Service

This section gives directions for contacting TSI Incorporated for technical information and directions for returning the EVM Series Environmental Monitor for service.

Technical Support Contacts

If you have any difficulty setting or operating the instrument, or if you have technical or application questions about this system, contact TSI’s Technical Support.

North America and Asia Pacific

Telephone : 1-800-680-1220 (USA);

+1 651-490-2860 (Outside USA)

Fax: +1 651-490-3824

E-mail: [email protected]

Europe, Middle East, and Africa

Telephone : +49 241-52303-0

Fax: +49 241 52303-49


Service Contact Information

If your instrument does not operate properly, or if you are returning the instrument for service, visit our website at http://rma.tsi.com

for a Return Material Authorization, or contact Customer Service.

North America and Asia Pacific

TSI Incorporated

1060 Corporate Center Drive

Oconomowoc, WI 53006-4828

Telephone: 1-800-680-1220 (USA);

+1 651-490-2860 (Outside USA)


Europe, Middle East, and Africa

TSI Instruments Ltd.

Stirling Road

Cressex Business Park

High Wycombe, Bucks

HP12 3ST

United Kingdom

Telephone: +44 (0) 149 4 459200



132 Customer Service

Returning for Service

Returning for Service

Visit our website at http://rma.tsi.com

and complete the on-line “Return Merchandise Authorization” form or call TSI at 1-800-680-1220 (USA) or (651) 490-2860, or 001 651 490 2860 (International) for specific return instructions.

Customer Service will need the following information:

 The instrument model number

 The instrument serial number

 A purchase order number (unless under warranty)

 A billing address

 A shipping address

Use the original packing material to return the instrument to TSI. If you no longer have the original packing material, seal off any ports to prevent debris from entering the instrument and ensure that the display and the connectors on the instrument front and back panels are protected. This instrument is very fragile and must be packed in a manner appropriate for a precision instrument.

Calibration

The EVM Series and TSI field calibrator devices should be examined regularly by the factory. An annual calibration is recommended. (see Service Department above.)


133 Warranty

Warranty

(For country-specific terms and conditions outside of the USA, please visit www.tsi.com

.)

Seller warrants the goods, excluding software, sold hereunder, under normal use and service as described in the operator's manual, to be free from defects in workmanship and material for 12 months , or if less, the length of time specified in the operator's manual, from the date of shipment to the customer. This warranty period is inclusive of any statutory warranty. This limited warranty is subject to the following exclusions and exceptions: a. Hot-wire or hot-film sensors used with research anemometers, and certain other components when indicated in specifications, are warranted for 90 days from the date of shipment; b. Pumps are warranted for hours of operation as set forth in product or operator’s manuals; c. Parts repaired or replaced as a result of repair services are warranted to be free from defects in workmanship and material, under normal use, for 90 days from the date of shipment; d. Seller does not provide any warranty on finished goods manufactured by others or on any fuses, batteries or other consumable materials. Only the original manufacturer's warranty applies; e. This warranty does not cover calibration requirements, and seller warrants only that the instrument or product is properly calibrated at the time of its manufacture. Instruments returned for calibration are not covered by this warranty; f. This warranty is VOID if the instrument is opened by anyone other than a factory authorized service center with the one exception where requirements set forth in the manual allow an operator to replace consumables or perform recommended cleaning; g. This warranty is VOID if the product has been misused, neglected, subjected to accidental or intentional damage, or is not properly installed, maintained, or cleaned according to the requirements of the manual. Unless specifically authorized in a separate writing by Seller, Seller makes no warranty with respect to, and shall have no liability in connection with, goods which are incorporated into other products or equipment, or which are modified by any person other than Seller.

The foregoing is IN LIEU OF all other warranties and is subject to the LIMITATIONS stated herein. NO OTHER EXPRESS OR

IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE. WITH RESPECT TO

SELLER’S BREACH OF THE IMPLIED WARRANTY AGAINST INFRINGEMENT, SAID WARRANTY IS LIMITED TO CLAIMS

OF DIRECT INFRINGEMENT AND EXCLUDES CLAIMS OF CONTRIBUTORY OR INDUCED INFRINGEMENTS. BUYER’S

EXCLUSIVE REMEDY SHALL BE THE RETURN OF THE PURCHASE PRICE DISCOUNTED FOR REASONABLE WEAR

AND TEAR OR AT SELLER’S OPTION REPLACEMENT OF THE GOODS WITH NON-INFRINGING GOODS .

TO THE EXTENT PERMITTED BY LAW, THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE LIMIT OF

SELLER'S LIABILITY FOR ANY AND ALL LOSSES, INJURIES, OR DAMAGES CONCERNING THE GOODS (INCLUDING

CLAIMS BASED ON CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR OTHERWISE) SHALL BE THE RETURN OF

GOODS TO SELLER AND THE REFUND OF THE PURCHASE PRICE, OR, AT THE OPTION OF SELLER, THE REPAIR OR

REPLACEMENT OF THE GOODS. IN THE CASE OF SOFTWARE, SELLER WILL REPAIR OR REPLACE DEFECTIVE

SOFTWARE OR IF UNABLE TO DO SO, WILL REFUND THE PURCHASE PRICE OF THE SOFTWARE. IN NO EVENT SHALL

SELLER BE LIABLE FOR LOST PROFITS, BUSINESS INTERRUPTION, OR ANY SPECIAL, INDIRECT, CONSEQUENTIAL OR

INCIDENTAL DAMAGES. SELLER SHALL NOT BE RESPONSIBLE FOR INSTALLATION, DISMANTLING OR

REINSTALLATION COSTS OR CHARGES. No Action, regardless of form, may be brought against Seller more than 12 months after a cause of action has accrued. The goods returned under warranty to Seller's factory shall be at Buyer's risk of loss, and will be returned, if at all, at Seller's risk of loss.

Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY, which contains the complete and exclusive limited warranty of Seller. This LIMITATION OF WARRANTY AND LIABILITY may not be amended, modified or its terms waived, except by writing signed by an Officer of Seller.

Service Policy

Knowing that inoperative or defective instruments are as detrimental to TSI as they are to our customers, our service policy is designed to give prompt attention to any problems. If any malfunction is discovered, please contact your nearest sales office or representative, or call TSI’s Customer Service department at 1-800-874-2811 (USA) or +001 (651) 490-2811 (International).


134 Warranty



135 Glossary of Terms

APPENDIX

B

Glossary of Terms

Term

ACGIH

Air monitoring

Air pollutant

Air pollution

Definition

The American Conference of Governmental Industrial Hygienists organization in the

United States.

Sampling for pollutants in the air using a variety of means such as sorbent tubes, bags, filters and sampling conventions.

Any substance in air that could, in high enough concentration, harm man, other animals, vegetation, or material. Pollutants may include almost any natural or artificial composition of airborne matter capable of being airborne. They may be in the form of solid particles, liquid droplets, gases, or in combination.

Air pollution are chemicals present in the atmosphere which are normally not a part of the atmosphere. Basically, air pollution is air that is contaminated, interferes with human health or welfare, or harms the environment. Some examples include dust, smoke, and a variety of toxic gases such as carbon monoxide.

Air quality monitoring Sampling, measurement/analysis of airborne pollutants.

Air quality standards The level of pollutants prescribed by regulations that are not to be exceeded during a given time in a defined area.

Airborne particulates

ASHRAE

Total suspended particulate matter found in the atmosphere as solid particles or liquid droplets. Chemical composition of particulates varies widely, depending on location and time of year. Airborne particulates include: windblown dust, emissions from industrial processes, smoke from the burning of wood and coal, and motor vehicle or non-road engine exhausts.

The American Society of Heating, Refrigeration and Air-Conditioning Engineers in the

United States.

Bump Test

Calculating particulate matter

Ceiling

Confined Space (see also “Permit Required

Confined Space”)

A functional test of the sensors installed in the gas monitor. Calibration gas is used for a bump test.

The worker exposure assessment, on the EVM, is based on a gravimetric analysis with filter samples drawn over a period time. If acute effects exist from personal inhalable dust, the sampling analysis allows for short term analysis (STEL).

This is the maximum allowable concentration of a chemical that an employee may be exposed to. It must never be exceeded, even for an instant.

A “Confined Space” has three components: a.

It is large enough to enter & perform work b.

It has limited means for entry & exit c.

It is not designed for continuous occupancy



Term

Correction Override

Factor

Dew Point

Drift

Dummy Sensor

Dust Override Profile

Dust monitoring

Engulfment

Filtered CO sensor vs.

Unfiltered

Fire Triangle

Gravimetric analysis

Definition

This is the correction override factor that is applied during your run or after a run for particulate measurements or PID (VOCs) measurements. In DMS, an override factor can be applied after a run via the Correction Override icon. The applied dust override is displayed in the General Data Panel (if selected under the sensor data list).

The dew point measurement is the absolute measurement of the amount of water vapor in the air (indicating how much humidity is in the air). It is also defined by

Wikipedia as, “the temperature to which a given parcel of air must be cooled, at constant barometric pressure, for water vapor to condense into water. The condensed water is called dew. The dew point is also referred to as the saturation point”.

Is a percentage of signal loss of a gas sensor per month.

This is required to cover a sensor socket when no sensor is present to maintain unit to environment sealing capability.

When setting up the Dust profile in DMS, there is an active profile field. The Dust

Override profile field corresponds with the active (or applied) dust profile.

Dust is typically known as a type of particulate matter or an aerosol with a miniscule diameter of 0.1 μm upwards.

This is the surrounding of a person by finely divided solids or a liquid. A worker in a storage tank filled with sawdust, for example, could fall into an air pocket, be completely surrounded by sawdust, and suffocate to death.

There is a high cross-sensitivity between CO and H

2

S. A filtered CO sensor lessens the sensitivity of the sensor to H

2

S.

A term for the three components required to start a fire: fuel, oxygen, and ignition.

Describes an analytical chemistry methodology for determining the quantitative mass of a solid. The EVM collects particulates in an internal gravimetric sample holder that are filtered, collected, and weighed to determine the severity of the worker exposure.



Term Definition

Hazardous Atmosphere Means an atmosphere presenting a potential for death, disablement, injury, or acute illness from one or more of the following causes: a.

A flammable gas, vapor or mist in excess of 10% of its' lower explosive limit (LEL).

b.

An oxygen deficient atmosphere containing less than 19.5% oxygen by volume or an oxygen enriched atmosphere containing more than 23.5% oxygen by volume.

c.

Airborne combustible dust at a concentration that meets or exceeds its LEL (airborne combustible dust which obscures vision at five feet or less).

d.

An atmospheric concentration of any substance for which a dose or a permissible exposure limit is published in Subpart G, Occupational Health and Environmental

Control , or in subpart Z, Toxic and Hazardous Substances, which could result in an employee exposure in excess of its dose or permissible exposure limit, and that could cause death, incapacitation, impairment of ability to self-rescue, injury or acute illness.

e.

Any other atmospheric condition that is immediately dangerous to life or health

(IDLH).

IDLH (Immediately

Dangerous to Life and

Health )

Lockout-Tagout

Material Safety Data

Sheet

Any condition that poses an immediate or delayed threat to life, or that would cause irreversible adverse health effects or that would interfere with an individual's ability to escape unaided from a confined space.

Placing locks or tags on the energy-isolating device (e.g. breaker boxes, control switches, valves, etc.) to prevent the unauthorized re-energization of the device or circuit while work is being performed by personnel. Tags shall indicate that the energy-isolated device must not be operated until the tag is removed by the individual(s) that installed the tag.

Published for every chemical or substance that may be hazardous; if an exposure limit has been published for a substance being discussed in an MSDS, that limit, such as TWA or PEL, is required to be included in the MSDS publication. Ref: 29

CFR 1910.1200 (g)(2)(i)(C)(2) and (g)(2)(vi). TWA's and PEL's are not available for most chemicals. There are simply too many chemicals, many of which have not gone through the rigorous scientific study and peer review required. The absence of an exposure limit for a substance should not be used to assume that a substance is not hazardous.



Term

Measurement parameters

MSHA

NIOSH

Definition

The following measurements are displayed on the instrument and in the Logged data table/chart in DMS.

Average The measurement value over the time interval (or logging interval)

Level

Minimum

The instantaneous measurement at a specific point in time.

The minimum measurement over the time interval (or logging interval).

Maximum

STEL (Short term

Exposure Limit)

The maximum measurement over the time interval (or logging interval).

The maximum concentration above the time-weighted average that employees can be exposed to over a specific time period

(usually 15 minutes) no more than four (4) times per day. (See

PEL for more information.)

TWA Most permissible exposure limits are based upon an 8-hour time weighted average (TWA). The air concentration may sometimes go above the TWA value, as long as the 8-hour average stays below. (See PEL for more information.)

The Mine Safety and Health Administration in the USA.

The National Institute for Occupational Safety and Hygiene in the United States. An organization dedicated to investigating the harmful effects of varied industrial hazards on the working population and promulgating regulations to control their harmful effects.

OSHA The Occupational Safety and Health Administration in the United States. A division of the Department of Labor charged with dealing with the health and welfare of the working population that issues guidelines and legislation to control the hazards at work.

Particulate matter (PM) Particulate matter, [also referred to as total suspended particles (TSP)] consists of tiny inhalable dust which can be man-made or natural. A wide range of particulates include the following pollutants: road dust, the burning of fossil fuel, diesel soot, environmental fires (forest or grassland), power plants, and wood smoke. These particles are a mixture of visible and microscopic solid particles and tiny liquid droplets referred to as aerosols.

Thoracic dust PM10 is the fraction of PM containing particles that are small enough to pass the PM10 impactor (10 mm)

Respirable dust The cut-points for respirable dust are: PM4 (4 microns), PM2.5

(2.5 microns)



Term

Peak

PEL (Permissible

Exposure Limit)

Photodiode ppm/ppb

Definition

The highest level of toxic gas or oxygen reached while the unit is on.

Permissible exposure limit. PEL's are a regulatory limitation to exposure used to specify the allowable exposure to a substance in the workplace and assume that the exposure takes place over an 8-hour shift in a 40-hour work week. Note that there are more stringent exposure limits for higher levels of exposure that may occur over a shorter time interval.

There are three types of PELs:

TWA Most permissible exposure limits are based upon an 8-hour time weighted average (TWA). The air concentration may sometimes go above the TWA value, as long as the 8-hour average stays below.

(NOTE: This measurement is not applicable with temperature. relative humidity, or air velocity sensors.)

Ceiling Limit The maximum allowable concentration of a chemical that an employee may be exposed to. It must never be exceeded, even for an instant.

STEL The Short Term Exposure Limit (STEL) is the maximum concentration above the time-weighted average that employees can be exposed to over a specific time period (usually 15 minutes) no more than four (4) times per day. This stands for Short Term

Exposure Limit and is the maximum average concentration of a toxic gas to which an unprotected worker may be exposed over any fifteen-minute interval during a work period. The EVM calculates the

STEL by compiling fifteen one-minute averages, and updates that average each minute after the initial fifteen-minute exposure. If the

STEL is reached or exceeded, the alarm activates, and the STEL enunciator turns on.

Different regulatory agencies have different acronyms for PELs:

NIOSH (National Institute for Occupational Safety and Health) uses

REL (Recommended Exposure Limit), and ACGIH (American

Conference of Governmental Industrial Hygienists) uses TLV

(Threshold Limit Value).

(NOTE: This measurement is not applicable with temperature. relative humidity, or air velocity sensors.)

A type of photodetector that is able to convert light source into either current or voltage. With the EVM, it is used to measure the amount of light scattered from a particle cloud.

Parts per million (or parts per billion) of concentration of the gas of interest in air. For example, 1 ppm signifies one part of gas to 1 million parts of air.



Term

REL (Recommended

Exposure Limit)

Relative Humidity

Relative Sensitivity

TIME

TLV

VOC (Volatile Organic

Compound)

Definition

Exposure limits set by the National Institute for Occupational Safety and Health

(NIOSH).

The relative humidity of an air-water mixture is defined as the ratio of the partial pressure of water vapor in the mixture to the saturated vapor pressure of water at a prescribed temperature. This can be calculated by dividing the temperature and dew point readings and multiplying by 100%.

Toxic and LEL sensors are calibrated to detect a specific gas. However there may be some cross-sensitivity of the sensor to other toxics or combustibles.

Point in time when the maximum exposure will occur from the beginning of any 8hour period

Threshold limit value: the level of exposure that a worker can experience in the workplace without an unreasonable risk of disease or injury. These are not estimates of "level of risk" for different exposure levels nor do they address the different means by which a person may be exposed to a substance. TLV's are specified by ACGIH, the American Conference of Government Industrial Hygienists. TLV's are guidelines prepared by ACGIH and are solely concerned with health risk. They do not address economic considerations. TLV's are not regulatory but rather are advisory. (See PEL and TWA which are specified by OSHA).

A type of air pollution that is a carbon-containing chemical, which is typically vaporized at ambient temperatures. Some examples of VOCs include: biological agents (mold, dust, mites…etc.), carbon monoxide, formaldehyde, second hand tobacco smoke. On the EVM, VOCs are measured in air by using the Photoionization detection (PID) sensor.


141 Appendix C

PID sensor and correction factors tables

Appendix C

APPENDIX

C

PID sensor and correction factors tables

The following chart details approximate correction factors (or response factors) for specific concentrations of VOCs.

It is recommended, for best test results, to calibrate the PID sensor with the relevant VOC you intend to measure. If this is not possible, the factors listed in the table, provided by Ion Science, can be used when calibrating the PID sensor.

 NOTE : These are approximate values; so, for best accuracy you should calibrate with the relevant

VOC. (Please refer to Ion Science for details on linear range accuracy and table explanation.)

 The table includes six columns

1.

Gas/ VOC : The most common name for the VOC. If you cannot find the name of your VOC of concern, refer to Ion Science’s website.

2.

Formula : To further assist in identifying the VOC, this also is helpful in identifying its molecular weight, from which ppm measurements can be converted to say, mg/m 3 measurements.

3.

Response Factor : (RF) also known as correction factor . Multiply the output response from the cell by the RF to provide a normalized scale of VOC concentration.

4.

Relative sensitivity : (%) This is the inverse of the correction factor, specifying the percent response of the VOC, relative to isobutylene. If less than 100%, then the VOC is less responsive than isobutylene; if the relative sensitivity is greater than 100%, then the VOC is more responsive than isobutylene. Relative sensitivity (%) is specified the same way as cross-sensitivity for toxic gas sensors.

5.

Typical Minimum Detection Level (MDL) or Minimum Detectable Quantity (MDQ) : Typical lowest concentration that can be detected. The Mini PID HI has greater sensitivity than the Mini

PID LO, so MDL’s for the Mini PID HI are much lower. The RF is measured in dry air; high humidity will reduce this factor by 10% to 20%, so the RF should be increased in high humidity’s.

Attention : In the table below, a Correction factor listed as “NR” indicates no response since not all

VOCs or gases can be measured with a PID sensor.

 NOTE : The “Typical minimum detection level” is listed in parts per billion in the table below.

The EVM calculates VOCs in parts per million or parts per billion.

Gas/VOC

Acetaldehyde

Acetic Acid

Acetic Anhydride

Acetone

Acetonitrile

Acetylene

Formula

(used to convert ppm measurement to mg/m 3 )

C

2

H

4

O

C

2

H

4

O

2

C

4

H

6

O

3

C

3

H

6

O

CH

3

CN

C

2

H

2

Correction factor

4.9

36

4.0

0.7

NR

NR

Relative sensitivity (%)

21

3

25

140 70

Typical PID

(ppb)

480

3615

400


Gas/VOC

Acrolein

Acrylic Acid

Acrylonitrile

Allyl alcohol

Allyl chloride

Ammonia

Amyl acetate, n-

Amyl alcohol

Aniline

Anisole

Arsine

Asphalt, petroleum fumes

Benzaldehyde

Benzene

Benzenethiol

Benzonitrile

Benzyl alcohol

Benzyl chloride

Benzyl formate

Biphenyl

Boron trifluoride

Bromine

Bromine pentafluoride

Bromobenzene

Bromochloromethane

Bromoethane

Bromoethyl methyl ether

Bromoform

Bromopropane

Bromotrifluoromethane

Bromoform

Bromopropane, 1-

Bromotrifluoromethane

Butadiene

Butadiene diepoxide

Butane, n-

Butanol

Buten-3-ol, 1-

Butene, 1-

Butoxyethanol, 2-

Butyl acetate, n-

Butyl acrylate, n-

Butyl lactate

Butyl mercaptan

142 Appendix C


C7H6O

C6H6

C6H5SH

C7H5N

C7H8O

C7H7Cl

C8H8O2

C12H10

BF3

Br2

BrF5

C6H5Br

CH2ClBr

C2H5Br

C3H7OBr

CHBr3

C3H7Br

CF3Br

CHBr3

C3H7Br

CF3Br

C4H6

C4H6O2

C4H10

C4H10O

C4H8O

C4H8

C6H14O2

C6H12O2

C7H12O2

C7H14O3

C4H10S

Formula


C

3

H

4

O

C3H4O2

C3H3N

C3H6O

C3H5Cl

H3N

C7H14O2

C5H12O

C6H7N

C7H8O

AsH3

ZR

2.1

4.5

8.5

1.8

3.2

0.5

0.5

2.5

1.0


4.0

2.7

0.9

0.5

0.7

0.7

1.3

0.6

4.0

1.2

1.3

1.1

2.4

1.5

2.5

0.5

1.3

NR

2.8

NR

0.8

4.0

46

0.7

NR

5.0

2.5

2.8

0.8

0.4

NR

20

NR

Typical PID

(ppb)

400

275

200

450

850

180

320

50

50

250

100

85

50

70

70

125

55

400

115

130

110

240

150

250

50

130

280

80

400

4600

70

500

250

280

77

40

2000

48

22

12

56

31


25

36

200

211

40

100

117

200

143

141

80

182

25

87

77

91

41

67

40

185

77

36

120

25

2

143

20

40

36

5

130

250


143 Appendix C


Gas/VOC

Butylamine, 2-

Butylamine, n-

Camphene

Carbon dioxide

Carbon disulfide

Carbon monoxide

Carbon tetrabromide

Carbon tetrachloride

Carbonyl sulphide

Carvone, R-

Chlorine

Chlorine dioxide

Chlorine trifluoride

Chloro-1,1,1,2-tetrafluoroethane

Chloro-1,1,1-trifluoroethane, 2-

Dibromochloromethane

Dibromodifluoromethane

Dibromoethane 1,2-

Dibromotetrafluoroethane, 1,2-

Dibutyl hydrogen phosphate

Dichloro-1,1,1- trifluoroethane, 2,2-

Dichloro-1,1- difluoroethane, 1,2-

Dichloro-1,2,2- trifluoroethane, 1,2-

Dichloro-1,2- difluoroethane, 1,2-

Dichloro-1-fluoroethane, 1,1-



Dichloro-1-propene

Dichloro-2,2,- difluoroethane, 1,1-

Dichloroacetylene

Dichlorobenzene o-

Dichlorodifluoromethane

Dichloroethane 1,2-

Dichloroethane, 1,1-

Dichloroethene, 1,1-

Dichloroethene, cis-1,2-

Dichloroethene, trans-1,2-

Dichloroethylene 1,2-

Difluoromethane

C2Cl2

C6H4Cl2

CCl2F2

C2H4Cl2

C2H2Cl2

C2H2Cl2

C2H2Cl2

C2H2Cl2

C2H2Cl2

CH2F2

Formula


C4H11N

C4H11N

C10H16

CO2

CS2

CO

CBr4

CCl4

COS

C10H14O

Cl2

ClO2

ClF3

C2HClF4

C2H2ClF3

CHBr2Cl

CF2Br2 ZR

C2H4Br2

C2F4Br2

HC8H18

PO4

C2HCl2F3

C2H2Cl2F2

C2HCl2F3

C2H2Cl2F2

C2H3Cl2F

C2H3Cl2F

C2H3Cl2F

C3H4Cl2

C2H2Cl2F2

5.0

0.5

NR

NR

NR

1.0

0.8

0.7

0.8

NR


0.9

1.0

10.0

NR

2.0

NR

4.0

0.5

ZR

1.4

NR

3.0

NR

NR

C10H140

NR

1.0

NR

NR

NR

NR

NR

NR

NR

NR

NR

NR

1.4

NR

-

-

20

200

-

105

125

143

133

-

-

-

-

-

-

-

-

70

-


111

100

-

-

-

100

-

100

-

222

-

71

-

33

10

-

50

-

25

Typical PID

(ppb)

90

100

-

-

-

100

-

100

-

45

-

140

-

300

1000

-

200

-

400

-

-

-

-

-

-

-

140

-

-

-

500

50

-

100

80

70

75

-


Gas/VOC

Dihydrogen selenide

Dihydroxybenzene, 1,2

Diisobutylene

Diisopropyl ether

Diisopropylamine

Diketene

Dimethoxymethane

Dimethyl cyclohexane, 1,2-

Dimethyl disulphide

Dimethyl ether

Dimethyl phthalate

Dimethyl sulphate

Dimethyl sulphide

Dimethylacetamide N,N-

Dimethylamine

Dimethylaminoethanol

Dimethylaniline,NN-

Dimethylbutyl acetate

Dimethylethylamine, NN-

Dimethylformamide

Dimethylheptan-4-one, 2,6-

Dimethylhydrazine, 1,1-

Dinitrobenzene, m-

Dinitrobenzene, o-

Dinitrobenzene, p-

Dinonyl phthalate

Dioxane 1,2-

Dioxane 1,4-

Dipentene

Diphenyl ether

Disulphur decafluoride

Disulphur dichloride

Di-tert-butyl-p-cresol

Divinylbenzene

Dodecanol

Enflurane

Epichlorohydrin

Epoxypropyl isopropyl ether, 2,3-

Ethane

Ethanol

Ethanolamine

Ethoxy-2-propanol, 1-

Ethoxyethanol, 2-

Ethoxyethyl acetate, 2-

Ethyl (S)-(-)-lactate

Ethyl acetate

Ethyl acrylate

Ethyl amine

144 Appendix C


Formula


H2Se

C6H6O2

C8H16

C6H14O

C6H15N

C4H4O2

C3H8O2

C8H16

C2H6S2

C2H6O

C10H10O4

C2H6O4S

C2H6S

C4H9NO

C2H7N

C4H11NO

C8H11N

C8H16O2

C4H11N

C3H7NO

C9H18O

C2H8N2

C6H4N2O4

C6H4N2O4

C6H4N2O4

C26H42O4

C4H8O2

C4H8O2

C10H16

C12H10O

S2F10

S2Cl2

C11H16O

C10H10

C12H26O

C4H2F5ClO

C3H5ClO

C6H12O2

C2H6

C2H6O

C2H7NO

C5H10O2

C4H10O2

C6H12O3

C5H10O3

C4H8O2

C5H8O2

C2H7N


0.9

0.8

1.0

3.0

NR

5.0

1.0

1.5

NR

0.5

1.3

1.4

1.5

0.6

1.6

0.8

1.0

1.0

0.6

0.7

0.7

2.2

1.4

1.1

0.2

1.3

1.0

1.5

0.9

0.8

NR

3.0

1.0

0.4

0.9

3.0

3.6

2.0

1.0

NR

8.0

1.1

NR

8.7

3.0

2.0

29.8

3.0


110

125

100

33

-

20

100

67

-

200

75

70

70

167

60

125

100

100

156

150

140

45

71

95

435

80

100

67

110

125

-

33

100

250

110

10

33

50

3

33

-

15

90

-

33

28

50

100


Typical PID

(ppb)

90

80

100

300

-

500

100

150

-

50

130

140

150

60

160

80

100

100

60

70

70

220

140

105

23

130

100

150

90

80

-

300

100

40

90

-

800

110

-

870

300

200

3000

300

300

360

200

100

145 Appendix C


Gas/VOC

Ethyl benzene

Ethyl butyrate

Ethyl chloroformate

Ethyl cyanoacrylate

Ethyl decanoate

Ethyl formate

Ethyl hexanoate

Ethyl hexanol, 2

Ethyl hexyl acrylate, 2-

Ethyl mercaptan

Ethyl octanoate

Ethylene

Ethylene dinitrate

Ethylene glycol

Ethylene oxide

Ferrocene

Fluorine

Fluoroethane

Fluoromethane

Formaldehyde

Formamide

Formic acid

Furfural

Furfuryl alcohol

Gasoline vapors

Germane

Glutaraldehyde

C10H10Fe

F2

C2H5F

CH3F

CH2O

CH3ON

CH2O2

C5H4O2

C5H6O2

GeH4

C5H8O2

Halothane

Helium

Heptan-2-one

Heptan-3-one

CF3CHBrCl

He

C7H14O

C7H14O

Heptane n-

Hexachloroethane

Hexafluoroethane

C7H16

C2Cl6

C2F6

Hexamethyldisilazane, 1,1,1,3,3,3-. C6H19NSi2

Hexamethyldisiloxane C6H18OSi2

Hexan-2-one

Hexane n-

Hexene, 1-

Hydrazine

Hydrazoic acid

Hydrogen

Hydrogen bromide

Hydrogen chloride

Hydrogen cyanide

Hydrogen fluoride

Hydrogen peroxide

Hydrogen sulfide

C6H12O

C6H14

C6H12

H4N2

HN3

H2

HBr

HCl

HCN

HF

H2O2

H2S

Formula


C8H10

C6H12O2

C3H5O2Cl

C6H7O2N

C12H24O2

C3H6O2

C8H16O2

C8H18O

C11H20O2

C2H6S

C10H20O2

C2H4

C2H4O6N2

C2H6O2

C2H4O

2.0

NR

1.4

2.0

0.8

NR

NR

NR

NR

1.1

10.0

0.9

NR

NR

NR

NR

NR

4.0

4.0

0.8

4.2

0.9

3.0

NR

2.1

NR

NR

1.0

0.3

NR

NR

0.7

0.8


0.5

1.0

80

1.5

1.8

30

2.6

1.5

1.0

0.7

2.3

8.0

NR

20.0

15.0

50

-

70

50

-

-

125

-

-

95

10

111

-

-

-

-

-

25

25

125

25

110

33

-

-

-

140

133

50

-

-

100

350


13

-

5

7

185

105

1

67

56

3

38

67

100

145

40


-

-

80

-

-

200

-

140

200

105

1000

90

-

-

-

-

-

400

400

80

420

90

300

-

-

-

70

75

200

-

-

100

30

Typical PID

(ppb)

50

100

8300

150

180

3000

260

150

100

70

230

800

-

2000

1500

Gas/VOC

Hydroquinone

Hydroxypropyl acrylate 2-

Iminodi(ethylamine) 2,2-

Iminodiethanol 2,2'-

Indene

Iodine

Iodoform

Iodomethane

Isoamyl acetate

Isobutane

Isobutanol

Isobutyl acetate

Isobutyl acrylate

Isobutylene

Isobutyraldehyde

Isodecanol

Isoflurane

Isononanol

Isooctane

Isooctanol

Isopentane

Isophorone

Isoprene

Isopropanol

Isopropyl acetate

Isopropyl chloroformate

Jet Fuel JP-4

Jet Fuel JP-5

Jet Fuel JP-8

Kerosene

Ketene

Liquefied petroleum gas

Maleic anhydride

Mercaptoacetic acid

Mercury

Mercury alkyls

Mesitylene

Methacrylic acid

Methacrylonitrile

Methane

Methanol

Methoxyethanol, 2-

Methoxyethoxyethanol, 2-

Methoxymethylethoxy-2-propanol

Methoxypropan-2-ol

Methoxypropyl acetate

Methyl acetate

146 Appendix C


C2H2O

C4H2O3

C2H4O2S

Hg

C9H12

C4H6O2

C4H5N

CH4

CH4O

C3H8O2

C5H12O3

C7H16O3

C4H10O2

C6H12O3

C3H6O2

Formula


C6H6O2

C6H10O3

C4H13N3

C4H11NO2

C9H8

0.2

CHI3

CH3I

C7H14O2

C4H10

C4H10O

C6H12O2

C7H12O2

C4H8

C4H8O

C10H22O

C3H2ClF5O

C9H20O

C8H18

C8H18O

C5H12

C9H14O

C5H8

C3H8O

C5H10O2

C4H7O2Cl


0.8

1.5

6.0

0.8

0.7

4.4

2.2

1.6

0.9

NR

1.5

1.1

1.7

0.4

1.6

8.0

3.5

2.3

1.3

1.0

1.2

0.9

1.6

0.5

667

1.5

0.8

0.7

0.7

0.8

3.0

NR

2.0

1.0

NR

NR

0.3

2.3

5.0

NR

200

2.7

1.4

1.3

3.0

1.2

5.2

Typical PID

(ppb)

80

150

600

75

70

440

220

160

90

-

150

100

170

40

160

800

350

230

130

100

120

90

160

50

15

150

75

60

60

90

300

-

-

-

200

100

30

230

500

-

20000

270

140

130

300

120

500


125

67

20

133

140

20

50

60

110

-

67

90

60

250

8

40

30

45

80

100

80

110

60

220

1

67

133

150

150

120

33

-

-

-

50

100

300

40

20

-

1

40

70

80

33

80

20


147 Appendix C


Gas/VOC

Formula


Methyl acrylate

Methyl bromide

Methyl cyanoacrylate

Methyl ethyl ketone

Methyl ethyl ketone peroxides

Methyl formate

Methyl isobutyl ketone

Methyl isocyanate

Methyl isothiocyanate

Methyl mercaptan

Methyl methacrylate

C4H6O2

CH3Br

C5H5O2N

C4H8O

C8H18O2

C2H4O2

C6H12O

C2H3NO

C2H3NS

CH4S

C5H8O2

Methyl propyl ketone

Methyl salicylate

Methyl sulphide

Methyl t-butyl ether

Methyl-2-propen-1-ol, 2-

Methyl-2-pyrrolidinone, N-

Methyl-4,6-dinitrophenol, 2-

Methyl-5-hepten-2-one, 6-

Methylamine

Methylbutan-1-ol, 3-

Methylcyclohexane

Methylcyclohexanol, 4-

Methylcyclohexanone 2-

Methylheptan-3-one, 5-

Methylhexan-2-one, 5-

Methylhydrazine

C5H10O

C8H8O3

C2H6S

C5H12O

C4H8O

C5H9NO

C7H6N2O5

C8H14O

CH5N

C5H12O

C7H14

C7H14O

C7H12O

C8H16O

C7H14O

CH6N2

Methyl-N-2,4, 6-tetranitroaniline, N- C7H5N5O8

Methylpent-3-en-2-one, 4-

Methylpentan-2-ol, 4-

C6H10O

C6H14O

Methylpentane-2,4-diol, 2-

Methylpropan-2-ol, 2-

Methylstyrene

Mineral oil

Mineral spirits

C6H14O2

C4H10O

C9H10

Naphthalene

Nitric oxide

Nitroaniline

Nitrobenzene

Nitroethane

Nitrogen dioxide

Nitrogen trichloride

Nitrogen trifluoride

Nitromethane

Nitropropane, 1-

Nitropropane, 2-

Nitrous oxide

Nonane, n-

C10H8

NO

C6H6N2O2

C6H5NO2

C2H5NO2

NO2

NCl3

NF3

CH3NO2

C3H7NO2

C3H7NO2

N2O

C9H20


1.4

3.4

1.1

2.4

1.0

0.8

0.8

1.3

0.8

1.2

0.5

0.8

1.1

0.9

3.0

0.8

3.4

1.9

5.0

0.8

0.8

NR

0.8

NR

0.6

0.7

1.6

3.0

0.7

2.8

4.0

3.5

0.5

0.8

0.8

NR

NR

NR

1.3

0.4

8.0

0.8

1.7

NR

10.0

1.0

NR

NR


70

30

90

40

100

133

133

80

130

80

200

125

90

110

33

125

30

50

20

130

125

-

125

-

167

140

60

33

140

40

25

30

200

125

125

-

-

-

80

230

15

125

60

-

-

-

10

100


Typical PID

(ppb)

140

340

110

240

100

75

75

130

80

120

50

80

100

90

300

80

340

190

500

80

80

-

80

-

60

70

160

300

70

280

400

350

50

80

80

45

800

80

170

-

-

-

1000

100

-

-

-

130

Gas/VOC

Norbornadiene, 2,5-

Octachloronaphthalene

Octane, n-

Octene, 1-

Oxalic acid

Oxalonitrile

Oxydiethanol 2,2-

Oxygen

Ozone

Paraffin wax, fume

Paraffins, normal

Pentacarbonyl iron

Pentachloroethane

Pentachlorofluoroethane

Pentafluoroethane

Pentan-2-one

Pentan-3-one

Pentandione, 2,4-

Pentane, n-

Peracetic acid

Perchloryl fluoride

Perfluoropropane

Petroleum ether

Phenol

Phenyl propene, 2-

Phenyl-2,3-epoxypropyl ether

Phenylenediamine

Phosgene

Phosphine

Picoline

Pinene, alpha

Pinene, beta

Piperidine

Piperylene

Prop-2-yn-1-ol

Propan-1-ol

Propane

Propane-1,2-diol, total

Propene

Propionaldehyde

Propionic acid

Propyl acetate, n-

Propylene dinitrate

Propylene oxide

Propyleneimine

Pyridine

Pyridylamine 2-

Silane

148 Appendix C


Formula


C7H8

C10Cl8

C8H18

C8H16

C2H2O4

C2N2

C4H10O3

O2

O3

FeC5O5

C2HCl5

C2Cl5F

C2HF5

C5H10O

C5H10O

C5H8O2

C5H12

C2H4O3

Cl03F

C3F8

C6H6O

C9H10

C9H10O2

C6H8N2

COCl2

PH3

C6H7N

C10H16

C10H16

C5H11N

C5H8

C3H4O

C3H8O

C3H8

C3H8O2

C3H6

C3H6O

C3H6O2

C5H10O2

C3H6N2O6

C3H6O

C3H7N

C5H5N

C5H6N2

SiH4


0.6

0.4

0.8

0.6

NR

2.0

0.9

0.3

0.3

2.0

NR

NR

0.9

1.2

NR

0.8

0.8

0.8

7.9

1.0

1.0

1.0

NR

NR

8.0

2.5

NR

7.0

1.3

0.8

0.8

0.9

0.7

1.3

4.8

NR

10.0

1.4

1.7

1.0

1.6

0.7

NR

NR

4.0

NR

NR

NR


167

230

125

167

-

50

110

315

315

50

-

-

110

85

-

125

125

133

15

100

105

100

-

-

15

40

-

15

80

133

125

110

150

80

20

-

50

70

60

-

-

-

25

100

60

140

-

-


Typical PID

(ppb)

60

45

80

60

-

200

90

30

30

200

-

-

90

120

-

80

80

75

800

100

100

100

-

-

800

250

-

700

130

75

80

90

67

130

480

-

1000

140

169

100

160

70

-

-

-

-

400

-

149 Appendix C


Gas/VOC

Sodium fluoroacetate

Styrene

Sulphur dioxide

Sulphur hexafluoride

Sulphur tetrafluoride

Sulphuric acid

Sulphuryl fluoride

Formula


C2H2O2FNa

C8H8

SO2

SF6

SF4

H2SO4

SO2F2

Terphenyls

Terpinolene

Tert-butanol

Tetrabromoethane, 1,1,2,2-

Tetracarbonylnickel

Tetrachloro-1,2-difluoroethane,

C18H14

C10H16

C4H10O

C2H2Br4

NiC4O4

C2Cl4F2

Tetrachloro-1-fluoroethane, 1,1,2,2- C2HCl4F

Tetrachloro-2,2-difluoroethane C2Cl4F2

Tetrachloro-2-fluoroethane

Tetrachloroethane, 1,1,1,2-

Tetrachloroethane, 1,1,2,2-

C2HCl4F

C2H2Cl4

C2H2Cl4

C2Cl4

C10H4Cl4

Tetrachloroethylene

Tetrachloronaphthalenes, all isomers

Tetraethyl orthosilicate

Tetraethyllead

Tetrafluoroethane, 1,1,1,2-

Tetrafluoroethane, 1,1,2,2-

C8H20O4Si

C8H20Pb

C2H2F4

C2H2F4

Tetrafluoroethylene

Tetrafluoromethane

Tetrahydrofuran

Tetramethyl orthosilicate

Tetramethyl succinonitrile

C2F4

CF4

C4H8O

C4H12O4Si

C8H12N2

Therminol

Thionyl chloride

Toluene

Toluene-2,4-diisocyanate

Toluenesulphonyl chloride, p-

Toluidine, o-

Tributyl phosphate

SOCl2

C7H8

C9H6N2O2

C7H7SO2

Cl

C7H9N

C12H27O4P

Tributylamine

Trichloro-1,1-

C12H27N

C2HCl3F2 difluoroethane, 1,2,2-

Trichloro-1,2-difluoroethane, 1,1,2- C2HCl3F2

Trichloro-2,2-difluoroethane, 1,1,1- C2HCl3F2

Trichloro-2-fluoroethane, 1,1,2-

Trichlorobenzene 1,2,4-

C2H2Cl3F

C6H3Cl3

Trichloroethane, 1,1,1-

Trichloroethane, 1,1,2-

Trichloroethylene

C2H3Cl3

C2H3Cl3

C2HCl3

NR

NR

NR

0.6

NR

NR

0.7

0.5

5.0

1.0

NR

NR

NR

NR

0.7

1.0

0.6

0.5

2.6

2.0

1.0

NR

NR

NR


NR

0.4

NR

NR

NR

NR

NR

1.0

NR

1.6

NR

1.0

2.0

NR

NR

NR

1.0

NR

0.5

1.6

3.0

200

20

100

-

-

-

-

180

-

-

150

-

-

50

-

100

-

65

-

100

100

-

200

60

33

-

-

-

140

100

-

-

167

210

40

50

100

-


-

-

-

-

-

230

-

-

-

-

70

100

-

-

60

50

260

200

100

-

Typical PID

(ppb)

-

-

-

-

-

50

-

-

-

200

-

100

-

150

-

100

100

-

50

160

300

50

500

100

-

-

-

-

50

-

-

65


150 Appendix C


Gas/VOC

Formula


Trichlorofluoromethane CCl3F

Trichloronitromethane CCl3NO2

Trichlorophenoxyacetic acid, 2,4,5- C8H5O3Cl3

Trichloropropane 1,2,3-

Trichlorotrifluoroethane, 1,1,1-

Trichlorotrifluoroethane, 1,1,2-

Triethylamine

Trifluoroethane, 1,1,1-

Trifluoroethane, 1,1,2-

Trifluoroethanol, 2,2,2-

Trifluoromethane

C3H5Cl3

C2Cl3F3

C2Cl3F3

C6H15N

C2H3F3

C2H3F3

C2H3F3O

CHF3

Trimethylamine

Trimethylbenzene mixtures

Trimethylbenzene, 1,3,5-

Trinitrotoluene 2,4,6-

Turpentine

TVOC

C3H9N

C9H12

C9H12

C7H5N3O6

C10H16

Undecane, n-

Vinyl acetate

Vinyl bromide

Vinyl chloride

Vinyl-2-pyrrolidinone, 1-

Xylene mixed isomers

Xylene, m-

Xylene, o-

Xylene, p-

Xylidine, all

C11H24

C4H6O2

2 C2H3Br

C2H3Cl

C6H9NO

C8H10

C8H10

C8H10

C8H10

C8H11N

0.9

1.1

1.0

2.1

0.9

0.4

0.4

0.6

0.6

0.7


NR

NR

1.0

NR

NR

NR

0.9

NR

NR

NR

NR

0.5

0.3

0.3

NR

0.6

1.0

110

90

100

50

110

230

230

167

180

140


-

-

100

-

-

-

-

-

110

-

-

200

300

300

-

167

100

100

110

100

200

90

240

50

60

50

70

Typical PID

(ppb)

-

-

100

-

-

-

-

-

90

-

-

50

35

35

-

60

100


151 Appendix D

Frequently Asked Questions (FAQs)

Appendix D

APPENDIX

D

Frequently Asked Questions (FAQs)

Particulate Measurements

Question Response/Solution

1.

What do the impactor cutpoints represent?

Depending on the environment and the industrial processes (such as sanding, cutting, crushing, grinding, and transportation), the type and size of the particulates will impact the human body in different areas, affecting the nasal, throat, and/or lung area.

The impactor cut-points represent the particle size you will be sampling.

Inhalable dust is 100 microns and smaller. This dust is usually filtered through the hairs and membranes in your sinuses. 10 microns and smaller is thoracic, and dust in the 4 to 10 micron size can get caught in you windpipe and other regions. 4 microns and smaller is respirable and this is what causes concerns and the need for PM4.

2.

How does the impactor function when there is a build-up of particulates (in a conical shaped pyramid)?

3.

Is it possible to do an inhalable or respirable gravimetric sample?

When the build-up of particulates form a shaped pyramid, it will not measure appropriately. This is the indicator to clean the impactor.

The reason: As with any impactor-type filter, this filter relies on the larger particles being unable to “turn the corner”, striking the greased-plate and being filtered out of the stream. As the pyramid builds up more and more, particles will begin to gently slide on past the impactor plate. We provide a fourth inlet which can be connected to a cyclone if extreme environments and/or longer run-times are needed. NOTE: the impactors are designed to work correctly

ONLY at 1.67 L/min.

Yes, it is possible to do inhalable and respirable gravimetric sampling. This can be accomplished through the "dial-in" impactors or with a cyclone in the open

(4th) hole on the turret. This hole is used for zeroing the instrument as well as allowing the use of a cyclone in that inlet port.

4.

How do I set the cut-points for particulate measurements?

Turn the turret until the appropriate setting is displayed on the instrument’s screen. (Settings include: PM2.5, PM4, PM10, and PM. NOTE : PM is unfiltered particulate collector and allows all sizes through the dust path for collection and measurement.)

5.

How often do you need to apply the grease to the impactors?

The impactors require periodic cleaning (and greasing) which is dependent on the density of air particulates floating in the intended environment. A relatively dusty environment (approximately under 10mg/m 3 ) should last an entire day.

When dust pyramids form on impactor plates this signifies they require cleaning and greasing. Rrefer to Impactor Care Section and the Optical Engine

Maintenance and Cleaning Section in Chapter 7 for cleaning details.


152 Appendix D

Particulate Measurements

Question

6.

How do I know when to clean the optical

7.

8.

engine/photometer?

Do I need to calibrate before I run real-time particulate measurements?

9.

When test collecting realtime particulate measurements for a period of time, how do I verify the calibration?

10.

What if I need to calibrate particulates in accordance to NIOSH0600?

11.

How many correction factors can be stored on the monitor and in DMS?

12.

How is the EVM-7 and

EVM-3 calibrated in the factory?

What if I want to enter in the correction factor after running/logging particulate measurements?

Response/Solution

The following conditions may occur: (1) If calibrating the particulate (PM) sensor and it will not zero, this indicates the optical engine will need cleaning.

(2) The instrument is exposed to oily or wet mists. (3) The readings are falling

lower and lower indicating the mirror is dirty. (Please see Chapter 7 for details

on cleaning and maintenance.)

Each instrument is factory calibrated to the ISO 12103-A2 Fine (Arizona Road

Dust). A factory calibration is conducted with a “golden” instrument that is calibrated using a certifiable gravimetric sample. TSI Incorporated recommends a yearly factory calibration.

Yes, it is recommended to perform a zero calibration in each environment you will be measuring particulates. To perform a zero calibration, ensure that the zero filter/HEPA filter is attached, the impactor is well greased, and the turret is set to PM. Then, using the keypad navigate to Calibrate>PM screen and

perform a zero calibration (see Chapter 4 for specific details).

NOTE : A zero calibration may be used when performing area-survey monitoring. However, if you are testing in accordance to NIOSH0600 or if you want to measure the actual mass concentration in a specific environment, you would run a gravimetric calibration to determine a correction factor referenced to the ARD.

First, ensure you performed a zero calibration prior to your testing (with the supplied Zero/HEPA filter). Run your real-time particulate measurements.

Then, perform a Calibration (PM) Verify via the Verify soft key/quick key (see

Chapter 4 for specific details.)

A gravimetric calibration is performed. The steps below outline a gravimetric

calibration (see Chapter 4 for specific details).

The EVM supports 8 different particulate matter (PM) configurations/profiles with customized name settings and user correction factor settings. See

Chapter 3

for instrument profile set-up or Chapter 6 for DMS set-up for more

details.

You can adjust/change the correction factor in Detection Management

Solutions (DMS) after the session has been downloaded. The Dust Correction

Override feature is a type of scaling factor that will re-calculate the data instantly in the chart or graph you are viewing. ( NOTE : The Dust Correction

Override field is displayed in the General Data panel and is applied to the dust measurements in the logged data chart/table when dust is the selected parameter. To apply, select the dust override icon and add a new value.)


153 Appendix D

Gravimetric Sample (optional for particulate calibration)

Gravimetric Sample (optional for particulate calibration)

Question

1.

What is the backpressure capabilities? (inches/water column)

2.

What type of cassettes can be installed?


>= 15 inches of water @ 1.67 L/min

Both 25-mm and 37-mm cassettes can be used in the EVM monitor.

3.

4.

How do you replace the filters (which are supplied in the kit)?

Can we run the unit without a cassette?

The cassettes are separated using a “larger”-sized screwdriver. The backing should always remain in the cassette (white, thin cardboard-like circular disc) and the filter is placed on top of the backing. An EVM-7 or EVM-3 is shipped with 10-pack of replaceable filters. (Filters can be ordered in 5-packs via TSI, see TSI contact section.)

The monitor should not be run without a cassette. The monitor is installed with a pump protection filter cassette. As its name indicates, it protects the pump from particulate matter. This cassette or a new cassette (if performing a gravimetric sample) should always be installed. It should be noted that the pump protection filter cassette will periodically need to be cleaned or replaced.

5.

Does TSI offer cassettes? TSI offers a 5-pack of 37-mm gravimetric cassettes (for pump protection).

Order Part Number 074-076-5. TSI also offers a 10-pack, order Part Number

074-090; However, TSI does not offer any other filters for special testing.


154 Appendix D

Toxic Sensor Measurements

Toxic Sensor Measurements

Question

1.

How many toxics can I measure simultaneously?

2.

What’s the life expectancy and warranty on the various Sensors?


One toxic sensor (which is located in the left position of the housing); in addition to PID (middle position) and CO

2

(right position).

Sensor Type

Particulates sensor

CO

2 sensor

PID sensor (for measuring VOCs)

Life expectancy

5000 hours (for the laser photo-meter)

5 years

2000 hours in clean air environment

(replaceable bulb and grid)

Carbon Monoxide (CO) 2 years

Chlorine (CL

2

) 2 years

Ethylene Oxide (EtO) 2 years

Hydrogen Cyanide

(HCN)

2 years

Hydrogen Sulfide (H

2

S) 2 years


2

) 2 years

Nitric Oxide (NO)

Oxygen (O

2

)

2 years

2 years

Sulphur Dioxide (SO

2

) 2 years

Warranty

1 year

1 year

1 year

2 years

1 year

1 year

1 year

2 years

2 years

2 years

1 year

2 years


155 Appendix D

Pump/Airflow Measurements

Pump/Airflow Measurements

Question

1.

How is the flow rate controlled?

2.

Will the pump always regulate?

3.

How often do we need to calibrate the pump?

4.

How do we calibrate the pump?

5.

Can we adjust the flow rate?

6.

How can we verify the constant flow?


There is a differential pressure sensor on the PC board that is used to measure the pressure drop across the orifice above. The reason is to maintain the correct pressure drop across the orifice.

The pump tries to maintain 1.67 L/min flow rate. When the flow rate is not maintained, the message “Pump unable to regulate” will appear on the screen’s display.

Solution: (1) the gravimetric cassette may need to be replaced, ( 2 ) detach any external devices (such as a cyclone).

TSI recommends an annual factory calibration. If the user has an accurate flow meter, such as a bubble-flow meter, the user may perform more periodic pump calibrations.

An accurate flow meter (such as a primary standard calibrator) and tubing is required to perform this calibration. The primary standard calibrator tubing is inserted in the air flow outlet (located at the back of the housing). Navigate to the CALIBRATION\FLOW RT screen. Press the CAL quick key and then the

START quick key. Adjust the flow rate (using the up and down arrow keys) to

1.67 L/min and then confirm by pressing the SAVE quick key. It should be noted that in order for the impactors to work properly the flow rate must be adjusted to 1.67 L/min.

The flow rate can be adjusted (see the "How do we calibrate the pump?" question above). It should be noted that in order for the impactors to work properly the flow rate MUST be adjusted to 1.67 L/min.

Using an accurate flow meter (or primary standard), calibrate before your run/logging and verify after to ensure a constant flow rate. NOTE : The primary standard calibrator tubing is inserted in the air flow outlet (located at the back of the monitor).


156 Appendix D

Digital Output (using stereo plug & diagram)

Digital Output

(using stereo plug & diagram)

Question

1.

How do I access my analog or digital out connection?


Using a Stereo plug (as the example shows below), connect the analog tip of the plug to the analog/digital output port (Figure A). Use Diagrams below to connect external device. (Please contact TSI technical support for stereo plug details.)

(Figure B).

Input/Output

Port Digital

(Middle ring)

Ground

(outer ring)

User connector end (e.g. for a chart recorder or for a light notification device)

Figure A: Analog/Digital Output

Analog (tip)

Figure B: Stereo plug

Stereo Plug Specifications (See “Figure B” above)

Type: 2.5-mm Stereo Plug, Stripped &

Tinned, Shielded

Temperature:

Voltage Rating:

Conductor:

Shield:

Plug:

Tip Insulator:

Body & Jacket:

60 o C

24 VDC

26 AWG (.12 mm x 10) Copper Wire with PVC Jacket

.12 mm x 30 Wrapped Copper Wire

Brass

ABS

PVC

Wire Color Coding: Plug Tip (White), Ring (Red),

Sleeve (Shielding)


157 Appendix D

Frequently Asked Questions (FAQs)

PID Questions (for Volatile organic compound measurements)

Question

1.

Measuring range and display


The difference between Accuracy and Resolution is as follows: (1) Actual accuracy, resolution, and repeatability are related to the full operating range from 0 to 2000 ppm; (2) Resolution, also called the Display Resolution, will display 0.01 resolution when less than 20 ppm. (This is due to TSI’s ability to program a low-noise sampling system that provides 18-bits of resolution with stable zeroing results. Thus, the display resolution appears as 0.01 compared to other brands which display 0.1.)

Accuracy: ± 5% (± 100 ppm)

Display Resolution – ±2% repeatability (± 40 ppm)

Lamp Questions

2.

What lamps will be available? (9.8, 10.6,

11.7 eV)

3.

Will we offer a moisture trap or hydrophobic filter attachment?

Maintenance Questions

4.

Is the lamp field replaceable?

The EVM PID sensor supports a 10.6eV lamp.

Each gas sensor installed in the EVM, including PID, has a hydrophobic filter contained in the sensor housing.

5.

Can the lamp be cleaned in the field?

The PID lamp can be replaced by the user in the field. A replacement lamp can

be ordered from TSI (Part number 074-081). See Chapter 7 (Maintenance &

Cleaning) for instructions on replacing the PID lamp. NOTE: You need to recalibrate the PID sensor after the lamp is replaced (or cleaned).

The lamp can be cleaned in the field with the PID cleaning kit. A PID cleaning kit is shipped with an EVM unit if ordered with a PID sensor option. A PID cleaning kit can also be ordered from TSI (Part Number 074-080). See

Chapter 7 (Maintenance & Cleaning) for instructions on cleaning the PID lamp.


158 Appendix D

Power

Calibration Questions

6.

How do we calibrate the

PID?

A PID calibration is a two point calibration consisting of a zero and a span calibration. The flow rate at L/min is recommended for best performance results (i.e., accuracy and repeatability). To perform a zero calibration Pure Air or Nitrogen should be used. To perform a span calibration Isobutylene gas should be used if the specific VOC is unknown or a specific VOC gas can be used. To calibrate the PID sensor navigate to the CALIBRATION\PID screen and perform a zero and span cal by applying gas to the monitor using the

supplied calibration cup. See Chapter 4 for details on PID calibration.

TSI recommends calibrating the PID sensor prior to running a log session to adjust for sensor drift and wear.

7.

How often is calibration recommended?

PID Correction Factors

8.

Do you have a correction factor chart (or a library of

PID correction factors) for various VOCs?

Cleaning/Maintenance Question

TSI has included a correction factor chart with the various VOCs in

Appendix C . Please reference as needed.

9.

How do I know when to clean/perform maintenance with the PID sensor for VOC measurements?

(1) Replace the electrode pellet if the baseline climbs after performing a zero calibration. (2) Replacement of the electrode is needed under high humid conditions. (3) Cleaning is needed if the baseline is unstable or shifts when you move the PID sensor.

Power

Question

1.

How long will the battery last with the EVM series?


The battery is an internal lithium-ion rechargeable battery pack which will last at least 8 hours with continuous setup time, run time, and viewing your results time. ( NOTE : The battery is not user accessible or user replaceable.) Battery life-time is estimated at 500 charge cycles or around 3 years of use before you will need to replace the battery pack.

Alarm Outputs

Question Response/Solution

1.

Is there an alarm output? The Digital-Out (or digital-output) can be configured for any installed sensor at user specified threshold.


159 Appendix D

General: Mechanical

General: Mechanical

Question

1.

Manifold positioned over sensors: What is the long, black plastic bar over the sensors and how is it used?

2.

What is the Path for Gas

(Toxic, CO

2

and PID)


The manifold is used to improve response time during the calibration process and use (running, logging, and viewing measurements).

Refer to Figure 1-3 in Chapter 1 .

CO

2

Sensor and how to reorder

Question

1.

How do I order/reorder a

CO

2

sensor?


Since the CO

2

sensor vendor changed in June 2012, there are two CO

2

sensor options to order/reorder depending on the model you purchased. See

Appendix A , “Accessories: Replacement and Optional Parts section for specific

reorder part information.

To determine the appropriate CO

2

sensor part number, do one of the following:

Method One : Removing the CO

2

sensor from the EVM housing

Sensors’ Locations and Removing

(The diagram below is based on the EVM-7 model.)

NOTE : Verify the unit is off and unplugged from the power cord before removing or inserting sensors.

Remove the sensor bar (via the screws) and manifold.

Remove the CO

2

sensor by gently lifting the sensor from the housing.

NOTE : To insert, align the socket pins to the circuit board accordingly.

Sensor bar – Remove screw 1 & 2 and lift off cover

Screw 1

Toxic sensor

Screw 2

PID sensor

CO

2

sensor


160 Appendix D

CO2 Sensor and how to reorder (continued)

CO

2

Sensor and how to reorder (continued)

Determine the type of installed CO

2

sensor by counting the number of pins on the sensor. (See images below.)

7-pin CO

2

sensor (P/N 074-712) image:

5-pin CO

2

senor (P/N 074-733) image:

Method Two:

Using the Unit Information screen via the start screen (see A below), press the Enter key until the CO

2

sensor appears on the screen (see B below). A numeric serial code will be displayed to the right column of the CO

2

sensor.

Below are the two scenarios to denote the CO

2

sensor type:

 7 pin sensor (074-712) is displayed by a 5 digit, 6 digit or 8 digit serial number.

 5 pin sensor (074-733) is displayed by a 10 digit serial number.

A: Start screen on the EVM with Unit

Information selected.

NOTE : Start screen appears when powered on.

B: Unit Info screen with CO2 sensor displayed.

Example of CO

2

serial number is: 00146 which is the 7-pin sensor,

P/N 074-712.

Calibrating Sensors

1.

What calibration gases or calibration equipment are needed for calibrating sensors on the EVM series?

Sensor Type

Particulates sensor

Zero Calibration

Performed with a zero/HEPA filter

(shipped in kit)

Advanced calibration (correction factors)

Gravimetric filtering (optional) is used to determine a reference point/correction factor relative to the Arizona Road Dust factory calibration.


161 Appendix D

Calibrating Sensors

Sensor Type

CO

2 sensor

PID ppm sensor

PID ppb sensor

Carbon Monoxide (CO)

Chlorine (CL

2

)

Ethylene Oxide (EtO)

Hydrogen Cyanide (HCN)

Hydrogen Sulfide (H

2

S)


2

)

Nitric Oxide (NO)

Oxygen (O

2

)

Sulphur Dioxide (SO

2

)

Zero Calibration

Performed with Nitrogen

Performed with Pure Air or Nitrogen

*NOTE: Room air can be applied In clean air environments (such as a school with no toxic cleaners present).

Advanced calibration (correction factors)

CO

2 gas with a 1 Liter/minute flow rate

*NOTE: The range of the CO

2 sensor is 0 to

5,000 ppm. It is recommended to span cal to the value you will be measuring (i.e.,

4,500 ppm) for best results.

Note settling time with 1 L/min gas flow has a response time of <90 seconds.

Isobutylene is used when the VOCs are unknown.

*NOTE: in order to measure a specific

VOC, you will use the relevant VOC for your calibrated gas source.

No user cal performed in the field.

(Factory cal. only.)




PID sensor ppb – span: 10 ppm (or

10,000 ppb) of Isobutylene whether the gas of interest is known/unknown.

CO gas

CL

2 gas

EtO gas




HCN gas

H

2

S gas

NO

2 gas

Performed with Pure Air or Nitrogen NO gas

Performed with Nitrogen Room air

*NOTE: The range of the O

2 sensor is

0 to 30% with a typical span of 20.9%.

Performed with Pure Air or Nitrogen SO

2

gas


162 Appendix D

Calibrating Sensors

Sensor Type

Pump Flow rate

Temperature

Calibration

An accurate flow meter (i.e., bubble-flow meter) and tubing is required to perform this calibration. The tubing and flow meter are connected to the back outlet or in the turret.

An accurate temperature sensing instrument (i.e., thermometer) is required to perform this calibration. The instrument is then placed in the location where you will log and the calibration is conducted. * NOTE: when calibrating temperature, ensure the unit is not charging by unplugging the external power cord before proceeding.

Relative Humidity An accurate temperature sensing instrument (i.e., psychrometer) is required to perform this calibration. The instrument is then placed in the location where you will log and the calibration is conducted. * NOTE: when calibrating relative humidity, ensure the unit is not charging by unplugging the external power cord before proceeding.

**NOTE: before performing a user calibration, ensure that your calibration is performed in an area known not to contain hazardous or interfering gases if ambient air will be used as the zero gas for operation. If this is not possible, pure bottled air

(Nitrogen is recommended) should be substituted.

About Zero Calibration: A Zero calibration is advised each time you log a session to adjust for drift in the sensor’s sensitivity which occurs over time and after use.

About Span Calibration: A span calibration proceeds a zero calibration and is used to set the linear measuring range. The span should be a sizeable fraction of the selected full scale range of the gas.


163 Appendix E

System Errors Displayed on the EVM Series

Appendix E

APPENDIX

E

System Errors Displayed on the EVM Series

There are two types of pop-up notifications that may appear on your instrument.

Monitor system errors – The EVM is equipped with numeric system errors which range from

101 to 108. If a numeric system error appears, please call TSI for Technical Support and Service .

Noting the System Error code is very useful for the call.

Monitor errors – Pop-up screens may appear as you are using the instrument. These are to notify you of various errors/cautions statements. All of the errors are listed below with an explanation. Press Enter and adhere to the monitor warning screens. If you have any questions, please call TSI for

Technical Support.

Monitor Errors Explanation

The battery is either too hot or too cold to charge. Battery charger disabled at current temperature

Battery charging failure If this appears frequently, this indicates the instrument may

need to be serviced. Contact TSI’s Technical Support for help.

Battery low The battery is almost depleted and powering off of external power.

NOTE : Turn the monitor off or plug in the power cord.

Right error: Duplicate profile name

The dust profile names that the user can set must be unique or

this error will appear. (See Chapter 3 for details.)

Analog-out channel sensor invalid If analog-out is enabled and a sensor is selected (such as CO) and you remove that sensor, this monitor warning will appear.

(Re-insert the sensor if desired.)

Invalid impactor setting to start logging

Laser not functioning properly

Logging stopped due to impactor change

NOTE : The Digital-out field will automatically disable and select the next available detectable sensor.

When the impactor reads at an incorrect setting, it will not allow you to log without turning the turret to a correct setting.

Either the laser is unplugged or needs to be serviced. Make sure the laser is connected (This is the multi-colored cable which attaches from the laser to the connectors located by the gravimetric cassettes.)

The instrument does not allow you to change the impactor setting during run mode. To correct this, stop logging. Change the impactor and then continue with Running/logging measurements.


164 Appendix E

System Errors Displayed on the EVM Series

Monitor Errors Explanation

File system full. Delete files to continue

Files will need to be deleted before proceeding with logged measurements. (See File System menu for more information.)

File system error. Logging failed Message will appear when there is not enough memory to store new files. You will want to delete files in order to proceed. (See

File System menu for more details.)

PID sensor error This indicates one of the following: (1) Clean the sensor, (2) The lamp needs replacing, (3) replace the electrode pellet, (4) or replace the sensor

Pump unable to regulate The pump tries to maintain 1.67 L/min flow rate. When the flow rate is not maintained, this message will appear.

Set time and date – clock has been reset

Reason : The gravimetric cassette may need to be replaced or detach any external devices (such as a cyclone). Or it will need to be serviced.

This will appear if the battery was depleted. You will want to reset the time and date.

NOTE : The time and date field are used for calibration and logged files.

Digital-out channel sensor invalid If digital-out is enabled and a sensor is selected (such as PM) and you remove that sensor, this monitor warning will appear.

(Re-insert the sensor if desired.)

Sensor not found xxx (i.e., CO)

Sensor found xxx (i.e, CO)

PM disabled

NOTE : The Digital-out field will automatically disable and select the next available detectable sensor.

A warning message will appear when a sensor (gas, toxic, PID,

RH/Temp, or dust) is removed.

NOTE : The instrument needs to be turned off when sensors are removed. This is to notify you that a sensor has been removed or changed.

Likewise, a monitor warning message will appear when a sensor is removed and replaced back in. This is helpful if you are changing different toxic sensors.

If the user disabled particulates via the particulates setup screen. Then the pump key will not function.


165 INDEX

INDEX

% ................................................................................................ 74

Air Velocity Accessory

Specifications ...................................................................... 121

Analog out .................................................................................. 33

Analog output ............................................................................. 18

Backlight key .............................................................................. 36

Batteries indicator ................................................................................. 14

Battery ........................................................................................ 17

Bubble flow meter

Connecting ............................................................................ 53

Calibrating

Gravimetric cal overview ....................................................... 51

Reset gravimetric setting ...................................................... 52

Connecting gas sensor ......................................................... 56

Drifting analysis ..................................................................... 68

Flow Rate Calibration ............................................................ 54

Inert tubing ............................................................................ 56

Ozone zero and span cals .................................................... 57

Particulates zero cal .............................................................. 47

Performing a gravimetric ....................................................... 52

Photo-Ionization Detector (PID) Sensor ............................... 63

PID PPB span cal .................................................................. 64

PID PPM span cal ................................................................. 64

PID PPM zero cal .................................................................. 63

Pump flow rate calibration ..................................................... 53

Relative Humidity or Temperature calibration ...................... 66

Saved Calibration screen ...................................................... 60

Selecting a calibration sensor screen ................................... 61

Setting CO2 Span Cal screen ............................................... 62 span cal for Toxic gas ........................................................... 59

Toxic Gas overview ............................................................... 56

Verify calibration .................................................................... 68

Zero cal and span cal for CO2 or for 02 sensor .................. 60

Zero cal for toxic gas ............................................................. 57

Zero Cal set for Particulates ................................................. 51

Calibrating particulates

Arizona Road Dust ................................................................ 44

Calibration

Example of Cal history chart in QSP-II ................................. 55

Carbon Monoxide

Measuring range ................................................................... 54

Charging ..................................................................................... 18

Check battery power .................................................................. 21

Chlorine

Measuring range ................................................................... 54

Communicating with QSP-II via USB cable ............................... 17

Composite measurement screen ............................................... 80

Composite with details screen ................................................... 82

Confined Space

Defined ................................................................................ 135

Cyclone

Using ..................................................................................... 76

Delete session message ............................................................ 87

Deleting all sessions .................................................................. 87

Deleting sessions ....................................................................... 86

Digital out/Logic settings ............................................................ 31

Index

Digital output .............................................................................. 18

Digital Output using stereo plug and diagram ........................................... 156

Display settings explained ......................................................... 22

Dummy Sensor

Defined ................................................................................ 136

Estimated Run Time

Screen ................................................................................... 89

Ethylene Oxide

Measuring range ................................................................... 54

EVM keypad and display explained ........................................... 12

EVM kit ....................................................................................... 11

FAQ's

Alarm outputs (See Analog Input/Output) ........................... 158

Analog or digital out connection .......................................... 156

Battery power ...................................................................... 158

Can we adjust the flow rate?............................................... 155

Can we run the unit without a cassette ............................... 153

Does Quest offer cassettes ................................................. 153

Gravimetric cassette sizes .................................................. 153

How can we verify the constant flow? ................................. 155

How do we calibrate the pump ........................................... 155

How is the flow rate controlled ............................................ 155 how is theParticulates

EVM-7 and EVM-3 calibrated in the factory ....................... 152

How many toxics can I measure simultaneously ................ 154

How often to calibrate the pump? ....................................... 155 life expectancy and warranty on the various Sensors ........ 154

Maintenance and Lamp questions ...................................... 157

Measuring range and display .............................. 157, 158, 159

Mechanical

What is the long, black plastic bar over the sensors and how is it used? ............................................................... 159

Particulates

Adding Correction factor after running/logging particulate measurements .............................................. 152

Calibrate before I run real-time particulate measurements ............................................................... 152

Calibrate particulates in accordance to NIOSH0600 .......... 152

Clean the optical engine/photometer .................................. 152

Correction factors ................................................................ 152

Cut-points ............................................................................ 151

How often do you need to apply the grease to the impactors ........................................................................ 151

Impactor cut-points.............................................................. 151

Impactor function when there is a build-up of particulates (in a conical shaped pyramid) .................... 151

Inhalable or respirable gravimetric sample ......................... 151

Verify the calibration ........................................................... 152

Replacing filters (which are supplied in the kit) .................. 153

What calibration gases or calibration equipment are needed for calibrating sensors on the EVM? ................. 160

Will the pump always regulate ............................................ 155

File system menu ....................................................................... 86

File Systems properties screen ................................................. 88

Filtered CO sensor vs. Unfiltered

Defined ................................................................................ 136


166 INDEX

Fire Triangle

Defined ................................................................................ 136 ft/m ............................................................................................. 74

Gas calibration softkeys

Explained............................................................................... 58

Gas measurement screen .......................................................... 79

Gases cross sensitivity ..................................................................... 55

Gravimetric analysis

Defined ................................................................................ 136

Gravimetric cassette and filter paper ....................................... 117

Replacing ............................................................................ 117

Hydrogen Cyanide

Measuring range ................................................................... 54

Hydrogen Sulfide

Measuring range ................................................................... 54

Identifying your equipment ......................................................... 11

IDLH

Defined ................................................................................ 137

Impactor

Adjusting impactor/turret setting ........................................... 47

Greasing and cleaing ............................................................ 45

How it operates ..................................................................... 45

Use ........................................................................................ 46

Impactors

Cut-points .............................................................................. 46

Indicators (i.e., run, stop, battery, Altf ) ...................................... 14

Keypad/user interface explained ............................................... 13

Level

Defined ................................................................................ 138

Lock/secure

Run and Setup screen .......................................................... 37

Lock/Security

Lock Softkey .......................................................................... 37

Run mode steps .................................................................... 36

Setup steps ........................................................................... 36

Lookup icon (eyeglasses) softke ............................................... 75 m/s .............................................................................................. 74 m 3 ............................................................................................... 74

Magnifying glass symbol ............................................................ 75

Measurement values

AVG ....................................................................................... 78

Level ...................................................................................... 78

MAX ....................................................................................... 78

Min ......................................................................................... 78

STEL ..................................................................................... 78

TWA ...................................................................................... 78

Measurements

Zoomed in ............................................................................. 80

Zoomed out ........................................................................... 80

Measurements units

Specifications ...................................................................... 122

Measuring

Changing views ..................................................................... 77

Logged data .......................................................................... 72

Quick help list ........................................................................ 71

Sample summary data in QSP-II .......................................... 72

Stored data ............................................................................ 72

Summary data ....................................................................... 72

Time History data .................................................................. 72

Memory

Estimated logged run time .................................................... 89

Memory remaining and file properties ....................................... 88 mg .............................................................................................. 74 mg/m 3 ......................................................................................... 74

MSHA

Defined ................................................................................ 140

Navigating .................................................................................. 14

Navigating screens..................................................................... 74

Nitric Oxide

Measuring range ................................................................... 54

Nitrogen Dioxide

Measuring range ................................................................... 54

ºC ................................................................................................ 74

ºF ................................................................................................ 74

OL ............................................................................................... 74

Optical engine and cleaning ..................................................... 114

Overload ..................................................................................... 14

Oxygen

Measuring range ................................................................... 54 packing instructions.................................................................. 132

Particualtes

User profiles .......................................................................... 45

Particualtes correction factors

Setting ................................................................................... 28

Particulate matter

Defined ................................................................................ 138

Particulate Measurement screen ............................................... 76

Particulate Sensor

Specifications ...................................................................... 119

Parts

Listing .................................................................................. 128

Past session

Summary screen ................................................................... 86

Past session screen ................................................................... 84

Peak

Defined ................................................................................ 139

PEL

Defined ................................................................................ 139

PID sensor

Correction factor setup screen .............................................. 26

PID sensor & correction factors table ...................................... 141

PM measurements

Extending run-time ................................................................ 76

Power

Turn on .................................................................................. 13 ppb ............................................................................................. 74 ppm ............................................................................................ 74

Relative Humidity

Defined ................................................................................ 140

Relative Humidity Sensor

Specifications ...................................................................... 120

Relative Sensitivity

Defined ................................................................................ 140

Resetting the EVM ..................................................................... 36

Restoring Default factory settings .............................................. 34 returning for service ................................................................. 132

RH and temperature measurement screen ............................... 78


167 INDEX run a noise study ........................................................................ 84

Run mode ................................................................................... 14

Run Time

Explained............................................................................... 23

Running ...................................................................................... 73 running a study steps ...................................................................................... 71

Select softkey ............................................................................. 75

Sensors

Cleaning of the PID ............................................................. 111

ID sensor with lamp and electrode pellet removed/inserted

........................................................................................ 112

Inserting and removing ......................................................... 43

PID - Removing intelligent-sensor casing ........................... 111

PID - Removing the lamp with removal tool ....................... 112

PID maintenance/cleaning benchmarks ............................. 111

PID sensor cleaning kit ....................................................... 112

Removing and inserting PID ............................................... 110

Sensor housing and manifold ............................................... 43

Serial numbers ...................................................................... 55

Sensors' locations

Diagram ................................................................................. 44

Setting or changing digital output .............................................. 31

Settings

Correction factor .................................................................... 28

Edit profiles for dust calibration ............................................. 29

Gravimetric Mass and Gravimetric volume fields ................. 27

Particulate field ...................................................................... 27

Particulates ........................................................................... 27

Profile field ............................................................................ 27

Pump: enable or disable ....................................................... 30

Resetting the Gravimetric ..................................................... 30

Temperature and air velocity ................................................ 27

Time and Date ....................................................................... 19

Start screen ................................................................................ 21

Start screen defined ................................................................... 13

STEL

Defined ................................................................................ 138

Stereo plug

How to connect ................................................................... 156

Stop mode .................................................................................. 14

Stopping ..................................................................................... 73

Sulphur Dioxide

Measuring range ................................................................... 54

Time-Date screen ....................................................................... 20

TLV

Defined ................................................................................ 140

Toxic Gas Sensors

Specifications ...................................................................... 121

Trend data screen

About ..................................................................................... 83

Trend Screen ............................................................................. 84

Trend softkey ............................................................................. 75

Turning off .................................................................................. 15

TWA

Defined ................................................................................ 138

Unit Information screen .............................................................. 15

Unlock

Quest default code ................................................................ 38

Unlock/Security

Run mode .............................................................................. 38

Setup ..................................................................................... 38

UR .............................................................................................. 74

Viewing installed sensors ........................................................... 16

VOC

Defined ................................................................................ 140

Volatile Organic Compounds

Specifications ...................................................................... 119

μg/m 3 .......................................................................................... 74


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