Omega | HHF143A | Owner Manual | Omega HHF143A Owner Manual

Omega HHF143A Owner Manual
TM
User’s Guide
Shop online at
omega.com
e-mail: info@omega.com
For latest product manuals:
www.omegamanual.info
HHF143
Handheld Rotating Vane
Thermo-Anemometer
omega.com info@omega.com
U.S.A.
Headquarters:
Servicing North America:
Omega Engineering, Inc.
Toll-Free: 1-800-826-6342 (USA & Canada only)
Customer Service: 1-800-622-2378 (USA & Canada only)
Engineering Service: 1-800-872-9436 (USA & Canada only)
Tel: (203) 359-1660
Fax: (203) 359-7700
e-mail: info@omega.com
For Other Locations Visit omega.com/worldwide
The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves
the right to alter specifications without notice.
INTRODUCTION
Omega's Model HHF143 digital thermo-anemometer is a versatile instrument
for measuring air velocity and temperature in various applications such as
HVAC, aerospace development, industrial process airflow, and fluids research.
The rugged yet precise probe can be used for airstreams that have a wide range
of humidity, temperature and contaminants without compromising accuracy.
°
°
Features include custom cable lengths, service temperatures up to 212 F (100 C)
at the probe, high reliability, and long life.
Rev 1.8, 1 0-Jun-2008
Page 2 of24
SECTION 1- SPECIFICATIONS
Ranges:
2.75 Inch Probe Airflow:
1 Inch Probe Airflow:
40 to7800 ft/min (feet per minute)
0.2 to40.00 m/sec (meters per second)
60 to 6800 ft/min
0.3 to35.00 m/sec
-4° to212 °F
(-20 ° to 100 °C)
Temperature: (using either air velocity probe):
Accuracy:
Air Velocity:
±1.0% ofreading ±1 digit
Temperature:
±(0.3 °C + 0.2% of reading in °C)
Temperature accuracy examples: ±0.3 °C at20 ° C
±0.5 °Fat 68 °F
Resolution:
Air Velocity:
Temperature:
1 ft/min or0.01 m/sec
0. l"For0. l"C
Operating Temperature:
Instrument:
Air Probes:
32 to125 F(0 to 50 C)
°
°
°
°
-4 to212 F(-20 to l00 C)
Power Supply:
3 AA alkal ine batteries
Battery Life:
Approx. 150 hours, without backlight
Battery check:
Automatic low battery display
Display:
0.5'' LCD, 4 digits, with LED backlight
°
°
°
°
R,ev 1.8, 10-Jun-2008
Page3 of24
Options Available:
• Protective Boot and Splash-Proof Seal for the Instrument
• USB Communications
• RS232 Communications
• Analog 0-5 Volt Output
• Additional Probes, 2.75 Inch or 1 Inch Diameter
• Extra extension and/or flexible rods
• Custom cable lengths
Included:
•
•
•
•
•
•
•
•
(1) HHF143 Instrument
(1) Vane-type probe head with RTD temperature sensor, choice of
2.75 Inch or 1 Inch Diameter
(3) Rigid extension rods with handle grip
(1) Flexible extension rod
(1) Probe connection cable, 5 ft.
(3) Size AA 1.5V alkaline batteries
(1) Hard-shell carrying case with foam liner
( 1) Operation Manual
Dimensions
INSTRUMENT
1.32 inch
34mm
6.26 inch
160mm
-· =='
3.07 Inch
78 mn1
D
OD
D DD
[J
I
-
:3
Rev 1.8, 1 0-Jun-2008
Page 4 of24
2.'.'5 INCH PROBE
02.75 INCH
70MM
MOUNTING BOSS WITH
3/8-16 UNC TAPPEDHOLE
.750 INCH DEEP
-�---'<-
---�
ELECTRICAL
CONNECTOR----.
.875 INCH __.______.
22MM
,_________
4.9 INCH----124MM
- -�-<
1.7±.010 INCH
43 MM
1 INCH PROBE
I--------
5.5 inches--------�
140mm
Flev 1.8, 1 0-Jun-2008
Page 5 of24
I
I--
SECTION 2 - SWITCH FUNCTIONS
Pressing the ON/OFF key switches the instrument ON. Hold down
the key for 2 seconds to switch the unit OFF The unit will
automatically power off after 30 minutes without any key presses. To
disable auto power-off, hold down the power button during tum-on. The unit
will flash AOFF, which means that the auto power-off ha-, been disabled. The
auto power-off is re-enabled each time the instrument is turned on.
� Press the BACKLIGHT key to tum the LCD backlight on for 30
� seconds. To turn the backlight on permanently, hold the backlight key
down for 3 seconds. The LCD will flash. The backlight is now
switched on permanently. To switch the backlight off, press the backlight key
again.
Rev 1.8, 10-Jun-2008
Page 6 of 24
� Press the TEMPERATURE key to display the current temperature of
(:fJ the air stream as measured by0the Air Probe. To switch0 the units
between degrees Fahrenheit ( F) and degrees Celsius ( C), press
the TEMPERATURE key again. Either •c or °F will be displayed along with
the reading.
Press the FPM/MPS key to display the current air velocity as measured
by the air probe. To switch the measurement units from FPM (feet per
[:;:� minute, 1 FPM resolution) to MPS (meters per second, 0.01 MPS
resolution), press the FPMIMPS key again. Either FPM or MPS will be
displayed along with the reading.
� Press the SAMPLE RATE key to change the measurement averaging
� rate ("sample rate") of the instrument for air velocity only.
2SEC
YSEC
SSE[
IEi S
An average value of airspeed measurements during the
preceding 2 seconds is displayed.
An average value of airspeed measurements during the
preceding 4 seconds is displayed.
An average value of airspeed measurements during the
preceding 8 seconds is displayed.
An average value of airspeed measurements during the
preceding 16 seconds is displayed.
Note: The sample rate for temperature readings is always 2 seconds.
Rev 1.8, 10-Jun-2008
Page 7 of24
lll
Press the MAX/MIN key to record and display the maximum reading
for either temperature or air velocity. The maximum reading display
will alternate with the letter "H" displayed with the sample rate. Press
the MAX/MIN key again to record and hold the minimum reading.
The minimum reading display will alternate with the letter "L" displayed with
the sample rate.
\ ·i.: "'. i
For example:
106S alternating with H B signifies that 1065 is the highest airspeed
reading since the MAX/MIN key was pressed, and the sample rate is set to 8
seconds.
82 alternating with L 16 signifies that 82 is the lowest airspeed
reading since the MAX/MIN key was pressed, and the sample rate is set to 16
seconds.
To exit MAX/MIN mode, press the SAMPLE RATE key.
�- Press the HOLD/RESET key to freeze the current reading on the
� display. HOLD is displayed on the LCD and the reading is held.
Press the HOLD/RESET key a second time to clear this mode and return the unit
to normal operation.
Press the HOLD/RESET key while in MIN/MAX mode to display BOTH the
minimum and maximum readings since the MAX/MIN key was pressed. Once
the HOLD/RESET key is pressed while in MAX/MIN mode, new readings are
no longer recorded. To return to MAX/MIN mode, press the HOLD/RESET
key again.
Rev 1.8, 1 0-Jun-2008
Page 8 of24
APPENDIX A - LCD DISPLAY SYMBOLS
LCD DISPLAY
LOW
BATTERY
DISPLAY
HOLD
FEET PER MINUTE
SYMBOL (ft/min)
METERS PER SECOND
SYMBOL (mis)
DEGREES FAHRENHE
SYMBOL
DEGREES CELCIUS
SYMBOL
APPENDIX B - BATTERY REPLACEMENT
-REMOVE BATTERY COVER
-REMOVE TWO SCREWS
+-+REPLACE THREE (3) SIZE AA BATTERIES AS SHOWN
Rev 1.8, 1 0-Jun-2008
Page 9 of24
APPENDIX C - AIRFLOW VOLUME CALCULATIONS
To calculate cubic feet per minute (CFM) from a measured air velocity (FPM),
you need the calculated cross-sectional area of the air flow stream:
Volume Flow (CFM)= Velocity (FPM) X Area (sq ft).
In a rectangular duct this cross sectional area equals the Width times the Height.
T
H
1◄
_L
-W�
W x H=A (cross-sectional area)
In a circular duct this cross section area equals the radius squared times n (3.14).
Rx Rx 3.14=A (cross-sectional area)
To convert an area calculated in square inches to an area c:alculated in square
feet (which is required for the Volume Flow equation above) divide by 144:
(area in sq in.)/144 = (area in sq ft.).
Example:
The air duct is rectangular, the width is 24 in. and the height is
12 in. The air velocity reading through the duct is 450 FPM.
Calculate the Volume Flow.
Step 1: Cross-sectional area= 24 in. x 12 in.= 288 sq in.
Step 2: 288 sq in /144= 2 sq ft.
Step 3: Volume flow= Air Velocity x Area, therefore,
Volume flow rate= 450 FPM x 2 sq ft. = 900 CFM.
Rev 1.8, 1 0-Jun-2008
Page 10 of24
APPENDIX D - ANALOG OUTPUTS (IF EQUIPPED)
If the instrument is equipped with the analog output option, there will be a five­
pin connector on the bottom of the instrument. Also, an analog output cable will
be included with the instrument. This cable will have a five-pin connector on
one end and four tinned wires on the other end.
The instrument will output a Voltage between 0 and 5 Volts that corresponds to
the Air Velocity and Temperature measured by the instrument. The output
range, pin assignments, and wire colors are given in the table below. Also
shown is a block diagram of the analog output circuit.
Corresponding
Wire
Color
Analog Output
Measurement
Equation* to convert from
Pin#
Bl.K
GF�
2
GitY
3
WHT
4
*To convert from Volts to Air Velocity in Feet per Minute, multiply by 2000.
For example, an analog output of 2.375 Volts on the green wire means that
the instrument is measuring an air velocity of 4750 feet per minute (FPM).
2.375 Volts x 2000 = 4750 FPM
►
►
*To convert from Volts to Temperature in degrees Celsius (0C), multiply by 20
and subtract 20.
For example, an analog output of 3.458 Volts on the white wire means that
the instrument is measuring a temperature of 49.16 °C.
► 3.458 Volts x 20- 20 = 49.16 °C
►
Rev 1.8, 1 0-Jun-2008
Page 11 of24
Note: When using analog outputs, there is an additional ±1 % error in the
analog output voltage. This is in addition to the normal measurement error.
► For example, an air velocity reading of 500 FPM would normally have an
accuracy of ±1 % of reading ±1 digit (±6 FPM) when the data is viewed
on the LCD display.
► With the additional error associated with the analog output voltage, the
effective accuracy of the analog output for this air velocity measurement
will be ±2% ofreading ±1 digit (±11 FPM).
Custom Analog Voltage Outputs are also available - contact Omega for details.
Analog Output circuit block diagram and connector pin assignment
ANALOG OUTPUT CONNECTOR
PINOUT DIAGRAM
Mating Cable Connector:
Binder Part No. 99-0413-00-0�'
Rev 1.8, 1 0-Jun-2008
Page 12 of24
APPENDIX E - USB DATA OUTPUT (IF EQUIPPED)
If the instrument is equipped with the USB Communications option, there
will be a four pin male connector on the bottom of the iinstrument. Also, a
USB cable will be included with the instrument. This cable will have a
four pin female connector on one end and a USB Type-A connector on
the other end.
USB Data Output - Instructions for Use
STEP 1: Install a Virtual COM Port (VCP) Driver on your computer.
Free VCP drivers can be downloaded for Windows, Linux, and
MAC from FTDI Ltd on their website:
http://www.ftdichip.com/DriversNCP .htm
We recommend downloading the setup exe1cutable, which
automatically runs and configures the drivers for you.
STEP 2: Connect the USS cable (included) to the male connector on
the bottom of your instrument. Connect the, other end to a
USB port on your computer.
STEP 3: Turn the Instrument ON.
STEP 4: Verify that the Instrument has been set up as a USB Serial
Port with a unique COM port number. (You only need to do
this once)
For Windows users, open the Windows Device Manager
(found in Control Panel) and verify that a USS serial port exists
as shown below.
Hev 1.8, 10-Jun-2008
Page 13 of24
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You are now ready to capture the data being measured by
your instrument.
Please refer to Appendix G - Viewing and Capturing Data
for further instructions.
Rev 1.8, 10-Jun-2008
Page 14 of24
APPENDIX F- RS232 COMMUNICATIONS (IF EQUIPPED)
If the instrument is equipped with the RS232 Communications option,
there will be a three pin male connector on the bottom of the instrument.
Also, an RS232 cable will be included with the instrument. This cable
will have a three pin female connector on one end and a 089 Female
connector on the other end.
RS232 Data Output - Instructions for Use
STEP 1 : Connect the RS232 cable (included) to the, female connector
on the bottom of your instrument. Connect the other end to an
RS232 port on your computer.
STEP 3: Turn the Instrument ON.
STEP 4: Verify that the Instrument has been set up as a RS232 Serial
Port with a unique COM port number. (You only need to do
this once). For Windows users, open the Windows Device
Manager (found in Control Panel) and veriify that a serial port
exists.
You are now ready to capture the data being measured by
your instrument.
Please refer to Appendix G - Viewing and Capturing Data
for further instructions.
Rev 1.8, 10-Jun-2008
Page 15 of24
APPENDIX G- VIEWING AND CAPTURING DATA
(IF EQUIPPED WITH EITHER USB OR RS232 OUTPUTS)
There are many ways to capture the serial port data from the Instrument.
The simplest method is to use a terminal emulator program.
Using a terminal emulator allows the serial COM poirt to be opened, with
the above port settings, and real-time data to be viewed from the
instrument. One such terminal emulator program is Windows
HyperTerminal.
To launch Windows HyperTerminal, go to:
START ....... All Programs ....... Accessories ....... Communications .......
HyperTerminal
Enter a name for the Connection, such as "Anemometer" and choose an
icon.
1'[X
Connect10- Clescript100
Enaa name and choose an iconforlle conneclian:
)Anernome!er
Icon:
OK
i!
Cancel
Click OK.
Rev 1.8, 10-Jun-2008
Page 16 of24
On the next window, next to "Connect using," select U1e COM port you
that you are using with your instrument. Click OK.
. 'rx
Connect To
.,.
?
Anemometer
Enler details for1he phone number 1hat you want to diat
Uoiled St,!es \ ')
Counlry/region:
Area code:
Phone numbec
ii
Connect using:
__o_K__�
I
Cancel
In the next window, select the port settings as shown below and click
OK. (The Serial Port settings are also listed at the end of this section).
? 1[)(
COM3 Properties
Slopbils,
r,
OK
Cancel
J
11
Apply
Rev 1.8, 10-Jun-2008
Page 17 of24
Click on File ..... Properties. You will see the window shown below. Click
on the Settings tab and then click on ASCII Setup... as shown below.
�-.�-------Fuodion. anow .
at
!
I
l
i
-
ind
@T-b!ys
Ba.:k.s;,;ac:e icey s.w..ds
@ C>Mi
O Del
o--.
kPn ac1 115
-
O c.Mi.Space. C>Mi
--- �Ism_____��!
D
Play..--ca,o,,d,gar--
Make sure that "Append line feeds to incoming line ends" is CHECKED
as shown below. Click OK.
□ ------
ASCISen<ing
0 Edlolfpad...,._.....,
IJIIBdolay: �--­
Claader-,.C
lo
i-.
li'.lwa,p ______
OK
�
I
Cancel
You will now receive data from your instrument.
Rev 1.8, 1 0-Jun-2008
Page 18 of24
Serial Port Settings
Bits per Second (Baud) 9600
Data bit
8
Parity
None
1
Stop bits
Flow Control
None
Serial Port Protocol
One Second
Data Output Interval
Data Format
Comma-Separated Values (CSV)
Measurement Units
Same as Units shown on LCD Display
Below are examples of the formatted output data for Omega's HHF141HHF144 Series Instruments (units may be different depending on the
units selected on the LCD display):
Model HHF141:
Air,47,FPM <CR>
Model HHF142 displaying in Air Velocity Mode:
Model HHF142 displaying in Volume Flow Mode:
Air,47,FPM <CR>
Air,251,CFM <CR>
Model HHF143:
Air,47,FPM,Temp,56.7,C <CR>
Model HHF144:
Air,47,FPM,Temp,56.7,C,RH,40.5,% <CR>
Rev 1.8, 1 0-Jun-2008
Page 19 of 24
Exporting and Graphing Data
Exporting serial port instrument data from the Instrument to a
spreadsheet application such as Microsoft Excel or OpenOffice Cale
allows the data to graphed or recorded.
The simplest way to export the instrument data is to use a terminal
emulator program, like Windows HyperTerminal, and either capture the
serial data/text to a file (menu selection) or to manually highlight, copy,
and then paste the instrument data into an editor such as Windows
Notepad.
Once you have the instrument data in a file, save tile file as a .CSV type
(e.g., lnstrumentData.csv).
Open the file in a spreadsheet application such as Microsoft Excel or
OpenOffice Cale. A graph of the data as shown beilow can now be
generated.
A
a_
O·FPM
: 7fF-PM
' u11FPM
156'FPM
1i1:FPM
AlrVelodtV'
180
. l�:���
--fllFfPM
. --�ffJ!�(
AAr
Air
6
1 ;,
1 . ;..;,
9 �( •
Air
,.,
-�--
90'.fPM
64'FPM
- n'fi'M
- i•�FPt.f 71:FPM
ss:F-PM
:
:·��
•••s-•:�::•
sl;'.fPl,I
0
It
160
1<0
�
120
]
..
I!, 100
>
BO_
00
,0
f
--jt fPi.t"
43:fPM
: 43-FPM
. O_f_F>M-
1
2
3
4
5
6
7
8
9
10
-11
12
13 14
15
16 17
1EI
19
20
21
22
23
24
Rev 1.8, 10.Jun-2008
Page 20 of24
CALIBRATION
To maintain your instrument in top working order, we recommend
that you send it back to Omega for calibration each year, beginning
one year after purchase.
Our calibration services include ensuring the instrument performs
within its accuracy tolerance, making any necessary adjustments,
and inspecting all aspects of the instrument's functionality so that
you'll have another year of dependable service. Calibration also
includes a complimentary firmware upgrade so that you know
you'll have the latest advances in accuracy and reliability in your
instrument.
NIST-Traceable multi-point calibration is also available from the
factory. We can offer precise calibration tailored to your specific
measurement needs using our state-of-the-art facilities and
calibration equipment.
Please contact us or visit our website for the late:st information on
calibrating your instrument.
Rev 1.8, 10..Jun-2008
Page 21 of24
Notes:
Rev 1.8, 1 0✓un-2008
Page 22 of 24
Notes:
Rev 1.8, 1 0.Jun-2008
Page 23 of24
WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a
period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace
period to the normal one (1) year product warranty to cover handling and shipping time. This ensures
that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service
Department will issue an Authorized Return (AR) number immediately upon phone or written request.
Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no
charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser,
including but not limited to mishandling, improper interfacing, operation outside of design limits,
improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of
having been tampered with or shows evidence of having been damaged as a result of excessive corrosion;
or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating
conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not
limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for
any damages that result from the use of its products in accordance with information provided
by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the
company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF
TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF
LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of
OMEGA with respect to this order, whether based on contract, warranty, negligence,
indemnification, strict liability or otherwise, shall not exceed the purchase price of the
component upon which liability is based. In no event shall OMEGA be liable for
consequential, incidental or special damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic
Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical
applications or used on humans. Should any Product(s) be used in or with any nuclear installation or
activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility
as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify
OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the
Product(s) in such a manner.
RETURN REQUESTS/INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE
RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR)
NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING
DELAYS). The assigned AR number should then be marked on the outside of the return package and on any
correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent
breakage in transit.
FOR NON-WARRANTY REPAIRS, consult
FOR WARRANTY RETURNS, please have the
OMEGA for current repair charges. Have
following information available BEFORE contacting
the following information available BEFORE
OMEGA:
contacting OMEGA:
1.Purchase Order number under which the product
1. Purchase Order number to cover the COST
was PURCHASED,
of the repair,
2.Model and serial number of the product under
2. Model and serial number of the product, and
warranty, and
3. Repair instructions and/or specific problems
3. Repair instructions and/or specific problems
relative to the product.
relative to the product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our
customers the latest in technology and engineering.
OMEGA is a trademark of OMEGA ENGINEERING, INC.
© Copyright 2018 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,
reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior
written consent of OMEGA ENGINEERING, INC.
Where Do I Find Everything I Need for
Process Measurement and Control?
OMEGA…Of Course!
Shop online at omega.com
TEMPERATURE
M
U Thermocouple, RTD & Thermistor Probes, Connectors,
Panels & Assemblies
M
U Wire: Thermocouple, RTD & Thermistor
M
U Calibrators & Ice Point References
M
U Recorders, Controllers & Process Monitors
M
U Infrared Pyrometers
PRESSURE, STRAIN AND FORCE
M
U Transducers & Strain Gages
M
U Load Cells & Pressure Gages
M
U Displacement Transducers
M
U Instrumentation & Accessories
FLOW/LEVEL
M
U Rotameters, Gas Mass Flowmeters & Flow Computers
M
U Air Velocity Indicators
M
U Turbine/Paddlewheel Systems
M
U Totalizers & Batch Controllers
pH/CONDUCTIVITY
M
U pH Electrodes, Testers & Accessories
M
U Benchtop/Laboratory Meters
M
U Controllers, Calibrators, Simulators & Pumps
M
U Industrial pH & Conductivity Equipment
DATA ACQUISITION
M
U Communications-Based Acquisition Systems
M
U Data Logging Systems
M
U Wireless Sensors, Transmitters, & Receivers
M
U Signal Conditioners
M
U Data Acquisition Software
HEATERS
M
U Heating Cable
M
U Cartridge & Strip Heaters
M
U Immersion & Band Heaters
M
U Flexible Heaters
M
U Laboratory Heaters
ENVIRONMENTAL
MONITORING AND CONTROL
M
U Metering & Control Instrumentation
M
U Refractometers
M
U Pumps & Tubing
M
U Air, Soil & Water Monitors
M
U Industrial Water & Wastewater Treatment
M
U pH, Conductivity & Dissolved Oxygen Instruments
M4750/0718
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