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Quick reference guide
G 1910 series
Compact CO2 monitor with alarm
Table of contents
Table of contents
About this documentation ...................................................... 4
Purpose of the document ................................................................ 4
Legal notices .................................................................................. 4
Further information ......................................................................... 4
Safety ....................................................................................... 5
Explanation of safety symbols ........................................................ 5
Foreseeable misuse ....................................................................... 5
Safety instructions .......................................................................... 8
Intended use ................................................................................... 8
The product at a glance .......................................................... 9
The G 1910 series .......................................................................... 9
Display elements ............................................................................ 9
Operating elements ........................................................................ 9
Connections ................................................................................. 10
Measurement Basics ............................................................. 10
Operation and maintenance ................................................. 11
Operating and maintenance notices.............................................. 11
5.2.1 Charge status display ................................................................... 11
5.2.2 Charging the batteries .................................................................. 11
5.2.3 Rechargeable battery replacement ............................................... 11
calibration ............................................................................. 12
Operation ............................................................................... 15
Opening the configuration menu ................................................... 15
Call-up of the expanded settings menu ......................................... 17
Error and system messages ................................................. 18
Technical data ....................................................................... 20
2 / 24 B-H90.0.0X.DK2-2.1
Table of contents
Service ................................................................................... 24
Manufacturer ................................................................................ 24
B-H90.0.0X.DK2-2.1 3 / 24
1 | About this documentation G 1910 series
1
_
1.1
About this documentation
Purpose of the document
–
This document is intended as a quick reference option.
–
It does not replace the operating manual.
–
For this reason, read the operating manual before operating the product for the first time.
1.2 Legal notices
This document is entrusted to the recipient for personal use only. Any impermissible transfer, duplication, translation into other languages or excerpts from this operating manual are prohibited.
The manufacturer assumes no liability for print errors.
_
1.3 Further information
Software version of the product:
–
V1.6 or later
_
_
Link to the complete operating manual: http://www.greisinger.de
For the exact product name, refer to the type plate on the rear side of the product.
4 / 24 B-H90.0.0X.DK2-2.1
G 1910 series Safety | 2
2 Safety
_
2.1 Explanation of safety symbols
DANGER
This symbol warns of imminent danger, which can result in death, severe bodily injury,
_ or severe property damage in case of non-observance.
CAUTION
This symbol warns of potential dangers or harmful situations, which can cause damage
_ to the device or to the environment in case of non-observance.
NOTE
This symbol indicates processes, which can have a direct influence on operation or can trigger an unforeseen reaction in case of non-observance.
_
2.2 Foreseeable misuse
The fault-free function and operational safety of the product can only be guaranteed if applicable safety precautions and the device-specific safety instructions for this document are observed.
If these notices are disregarded, personal injury or death, as well as property damage can occur.
B-H90.0.0X.DK2-2.1 5 / 24
2 | Safety G 1910 series
_
DANGER
Incorrect area of application!
_
In order to prevent erratic behaviour of the product, personal injury and property damage, the product must be used exclusively as described in the chapter Description in the operating manual.
– The product is not suitable for use in explosion-prone areas!
– The product must not be used for diagnostic or other medical purposes on patients!
– The product is not intended to come into direct contact with food!
– For measurements requiring devices that are subject to authorisation or special approvals, this product is not a substitute for such products and can only be used as an aid in preparatory or comparison measurements!
DANGER
Danger due to elevated CO
2
concentration
The product is not suitable for use as personal protective equipment with elevated CO
2 levels. However, it can indicate an elevated CO
2
value. The measured value appears in the display as a % or ppm value.
6 / 24 B-H90.0.0X.DK2-2.1
G 1910 series Safety | 2
G 1910-
02
G 1910-
20
CO
2
concentration
%
20 ppm
Effect
Death within a few seconds
10
4.0
3.0
Loss of consciousness, death, dizziness, vomiting, headaches, reduced blood flow to brain
IDLH - immediate danger to life and health
Normal exhalation concentration, elevated breathing and pulse rate
2,0 20,000
Possible shortness of breath 1.0 10,000
0.5 5000
0.1 .. 0.2 1000 ..
2000
0.04 400
TWA – Maximum for working conditions
Recommended maximum value in public areas
Fresh air
Product is not permitted for the area
Expanded measuring range. The product can be used conditionally
Area of application of the product with specified accuracy
The values are guideline values. Depending on the health condition and duration of exposure, problems can also occur below the indicated concentrations under certain circumstances.
B-H90.0.0X.DK2-2.1 7 / 24
2 | Safety G 1910 series
_
2.3 Safety instructions
NOTE
This product does not belong in children's hands!
_
2.4 Intended use
The product is designed exclusively for measurements in ambient air and environments with slightly elevated CO
2
concentrations in areas that are not harmful to the health. It is designed to be carried on the body for mobile use. The user can be warned optically and acoustically of elevated CO
2
concentrations based on variable alarm limits. Example applications for this are:
–
Use as a monitor for recording of the mean value weighted over 8 hours (TWA) or 15 minutes (STEL).
–
Monitoring of air quality.
8 / 24 B-H90.0.0X.DK2-2.1
3
3.1
G 1910 series
The product at a glance
The G 1910 series
Measurement Basics | 4
_
Sensor openings Micro USB socket
LCD Display
Front view
_
3.2
_
Display
Display elements
Charge status display Evaluation of the charge status
_
Unit display
Display of units or type of mode, min/max/hold
_
Main display
Measurement of the current CO
2
value
_
Auxiliary display
Display of the mean value
_
_
3.3
Bar graph Visualisation of the CO
2
value
Operating elements
On / Off button
Press briefly Switch on the product
Long press
B-H90.0.0X.DK2-2.1
Activate / deactivate lighting
Switch off the product
Reject changes in a menu
9 / 24
4 | Measurement Basics
Up / Down button
Press briefly
G 1910 series
Display of the min/max value
Long press
Change value of the selected parameter
Reset the min/max value of the current measurement
Rotate display, overhead display
_
Both simultaneously
Function key
Press briefly Freeze measurement (Hold)
3.4
Return to measurement display
Call up next parameter
Long press, 2s
Connections
Start menu configuration,
(ONF
appears in the display
Micro USB socket Charging the batteries
4 Measurement Basics
For additional information, refer to the operating manual!
10 / 24 B-H90.0.0X.DK2-2.1
G 1910 series Operation and maintenance | 5
5 Operation and maintenance
_
5.1 Operating and maintenance notices
CAUTION
Damage to the sensor
_
A sensitive optical sensor is installed in the product. The sensor parameters can change due to impact or falling. This can result in incorrect measurements.
– Protect the product from impact and falling!
– The measurements must be checked after the product falls or is jarred. If the values deviate, a basic sensor adjustment must be carried out!
NOTE
The product must be handled with care and used in accordance with the technical
_ data. Do not throw or strike.
NOTE
If the product is stored at a temperature above 50 °C, or is not used for an extended period of time, the batteries must be removed or recharged regularly. This prevents leaks from the rechargeable batteries and increases the life of the rechargeable batteries.
5.2 Battery
_
5.2.1 Charge status display
For additional information, refer to the operating manual!
_
5.2.2 Charging the batteries
For additional information, refer to the operating manual!
_
5.2.3 Rechargeable battery replacement
B-H90.0.0X.DK2-2.1 11 / 24
5 | Operation and maintenance G 1910 series
Only use new, high-quality and suitable
NiMH rechargeable batteries!
–
NiMH rechargeable batteries
For additional information, refer to the operating manual!
_
5.3 CO
2
calibration
For additional information refer to the operating manual!
In order to improve the accuracy, the carbon dioxide sensor can be calibrated. In order to conduct a CO
2
calibration, proceed as follows.
NOTE
Calibration can be carried out in clean ambient air or with test gases (optionally available gas extraction device recommended). 1-point calibration at any arbitrary point and
12 / 24 B-H90.0.0X.DK2-2.1
G 1910 series Operation and maintenance | 5
2-point calibration at 0 ppm and an arbitrary point are both possible. Refer to the operating manual for the 2-point calibration!
For automatic calibration, open the Calibration menu.
–
The product is switched on.
–
Clean ambient air or test gas for gradient correction
–
Gas extraction device, if applicable
1. Press the Function key for 4 seconds to start the calibration.
[ONF
appears in the display first, then
[AL
.
2. 1-point or 2-point calibration is started. This depends on what was adjusted in the
Expanded settings menu.
3.
[.SL
appears in the display for 1-point calibration.
4. The product determines a stable value first. If the measured value is outside of the value range integrated in the product, the display flashes briefly and an acoustic signal is issued every 10 s.
5. If the display flashes briefly, an acoustic signal sounds and the bar display blinks, a stable correct value has been achieved.
B-H90.0.0X.DK2-2.1 13 / 24
5 | Operation and maintenance G 1910 series
6. You can change the value of the gradient compensation with the up key and down key
. Otherwise, confirm the preadjusted value with the function key
. The 1-point calibration is finished.
NOTE
Current test gases normally have accuracies of ± 2 %. This tolerance must be taken into consideration with the measurement uncertainty. The specifications on the analysis certificate must always be observed.
NOTE
For information about the available calibration settings, refer to Configuring parameters of the configuration menu.
After the calibration is finished
[AL DONE
is displayed.
Then, the current measurement is shown in the display again.
If the calibration is not completed successfully an error message is displayed.
[AL ERR.
Error and system messages [ 18]
sage pressing the Function key . The product restarts. The values of the last correctly performed calibration are restored.
14 / 24 B-H90.0.0X.DK2-2.1
G 1910 series
6 Operation
6.1 Opening the configuration menu
_
1. Press the
Function key
for 2 seconds to open the
Configuration
menu.
2.
(ONF
appears in the display. Release the
Function key
.
Parameter Values Meaning
_
Input
INP
% CO
2
measurement in %
Operation | 6
PPm CO
2
measurement in ppm
_
Alarms
AL.
OFF
ON
No active alarm
BEEP
L,TE
Alarm alerting via text display, acoustic signal and flashing of the backlighting
Alarm alerting via text display and acoustic signal
Alarm alerting via text display and flashing of the backlighting
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6 | Operation G 1910 series
_
AL.1
0
.
000
..
AL
.
2
0
..
AL2
_
AL.2
G 1910-02
G 1910-02
G 1910-20
AL.1
..
1
.
000
in % Max. alarm limit, the main alarm is triggered when the value is exceeded
AL.1
..
10000
in ppm
AL.1
..
19999
in ppm
Max. alarm limit, the main alarm is triggered when the value is exceeded
Max. alarm limit, the main alarm is triggered when the value is exceeded
AL.1
..
3
.
200
in % Max. alarm limit in %; the main alarm is triggered when the value is exceeded
G 1910-20
_
Mean value
LCD.2
Depending on the setting of the parameter value
INP
Min. alarm limit in % or ppm; a pre-alarm is triggered when the value is exceeded
When the pre-alarm is triggered, it can be muted for
5 minutes. To do this, press any key. The display shows
(LR AL.1
.
Depending on the setting of the parameter value
INP
8 H
STEL
OFF
Time weighted over 8 hours, mean value TWA
Time weighted over 15 minutes, mean value STEL
Mean value determination deactivated
16 / 24 B-H90.0.0X.DK2-2.1
G 1910 series Operation | 6
Shut-off time
POFF
OFF No automatic shut-off
0
:
15 0
:
30 1
:
00 4
:
00
12
:
00
Automatic shut-off after a selected time in hours and minutes, during which no buttons have been pressed
_
Backlight
L,TE
OFF Backlight deactivated
0
:
15 0
:
30 1
:
00 4
:
00
Automatic shut-off of the backlight after a selected time in minutes and seconds, during which no buttons have been pressed
_
Factory settings
ON
IN,T
No automatic shut off of the backlight
NO Use current configuration
YES
Reset product to factory settings.
IN,T DONE
appears in the display
6.2 Call-up of the expanded settings menu
For information refer to the operating manual!
B-H90.0.0X.DK2-2.1 17 / 24
7 | Error and system messages G 1910 series
7
Display
----
----
Error and system messages
Meaning Possible causes Remedy
No signal from the sensor
Measurement far outside of the measuring range
Sensor not ready Wait the start-up time of the sensor
CO
2
concentration too high Place the product in clean outdoor air
Defective sensor adjustment Perform sensor adjustment
Sensor defect Send in for repair
The display value could not be determined
Sensor not ready
Sensor defect
Wait the start-up time of the sensor
Send in for repair
No display, unclear characters or no response when buttons are pressed
Rechargeable battery depleted
System error
Rechargeable battery depleted
Error in the product
Charge battery
Replace rechargeable battery
Product is defective Product is defective Send in for repair
BAT LO Rechargeable battery depleted
Rechargeable battery discharged
Rechargeable battery defect
Charge battery
Replace rechargeable battery
(AL ERR.1
Incorrectly measured CO
2
concentration for adjustment
Expose sensor to a test gas with 0 ppm CO
2
Zero point adjustment defective
(AL ERR.2
(AL ERR.3
18 / 24
Defective gradient compensation
Incorrectly measured CO
2
concentration for adjustment
Expose sensor to a test gas with known CO
2
concentration
Enter correct value Incorrect CO
2
concentration
B-H90.0.0X.DK2-2.1
G 1910 series Error and system messages | 7
(AL ERR.5
ERR.1
ERR.2
ERR.7
ERR.T
STAB
SYS ERR
Time for stability recognition exceeded
Stability recognition lasts longer than 10 minutes
Provide a consistent flow with a constant CO
2
concentration
Measuring range exceeded
Measurement too high
Stay within allowable measurement range
Defective sensor adjustment
Perform sensor adjustment
Send in for repair
Sensor defect
Measuring range is undercut
Defective sensor adjustment
Perform sensor adjustment
Send in for repair
Sensor defect
Sensor error
Temperature error Permissible temperature range during charging exceeded or undercut
Charging of battery only at 0
.. 40 °C
Bring product to room temperature and restart charging process
System error
Defective sensor adjustment
Perform sensor adjustment
Send in for repair
Sensor defect
No measurement change within 2 minutes
Error in the product
Sensor defect
Switch product on/off
Replace rechargeable batteries
Send in for repair
Product in extremely Place the product in clean constant environment outdoor air
Perform sensor adjustment
Sensor defect
Send in for repair
B-H90.0.0X.DK2-2.1 19 / 24
8 | Technical data G 1910 series
_
_
8
G 1910-02
Technical data
Measuring range (specified accuracy)
0 .. 2000 ppm
Measuring range (not specified)
0.000 .. 0.200 %
0.000 .. 1.000 %
Accuracy
Measuring cycle
Display
Additional functions
Adjustment
Housing
± 70 ppm ± 3 % measurement
2 seconds
3-line segment LCD, additional symbols, illuminated (adjustable white, permanent illumination)
Min/Max/Hold
TWA calculation / STEL
2-stage alarm (optical and acoustic)
1-point, 2-point and basic sensor adjustment
Break-proof ABS housing
Protection rating IP30
Dimensions
L*W*H [mm] and weight
108 * 54 * 28 mm without measuring cell or kink protection
180 g, incl. battery and measuring cell
Operating conditions 0 to 50 °C; 0 to 85 % r.h. (non-condensing)
Storage temperature -20 to 70 °C
20 / 24 B-H90.0.0X.DK2-2.1
G 1910 series Technical data | 8
_
_
Current supply
2*AA-NiMH batteries (included in delivery)
Current requirement/
Rechargeable battery life approx. 50 mA, approx. 60 mA with lighting
Life approx. 24 hours with NiMH batteries (without backlight) charging time of about 8 hours
Battery indicator 4-stage charge status indicator,
Charge indicator for low charge level: "BAT LO"
Plug connector
Auto-power-OFF function
Micro USB socket (not a data connection)
The device switches off automatically if this is activated
Directives and standards The devices conform to the following Directives of the Council for the harmonisation of legal regulations of the Member States:
2014/30/EU EMC Directive
2011/65/EU RoHS
Applied harmonised standards:
EN 61326-1:2013 Emission limits: Class B
Immunity according to Table 2
Additional errors: < 1 % FS
EN 50581:2012
The device is intended for mobile use and/or stationary operation in the scope of the specified operating conditions without further limitations.
B-H90.0.0X.DK2-2.1 21 / 24
8 | Technical data G 1910 series
G 1910-20
Measuring range (specified accuracy)
0 .. 19999 ppm
Measuring range (not specified)
0.000 .. 2.000 %
0.000 .. 3.200 %
Accuracy
Measuring cycle
Display
Additional functions
Adjustment
Housing
± 0.02 % ± 3 % measurement
2 seconds
3-line segment LCD, additional symbols, illuminated (adjustable white, permanent illumination)
Min/Max/Hold
TWA calculation / STEL
2-stage alarm (optical and acoustic)
1-point, 2-point and basic sensor adjustment
Break-proof ABS housing
Protection rating IP30
Dimensions
L*W*H [mm] and weight
108 * 54 * 28 mm without measuring cell or kink protection
180 g, incl. battery and measuring cell
Operating conditions 0 to 50 °C; 0 to 85 % r.h. (non-condensing)
Storage temperature -20 to 70 °C
22 / 24 B-H90.0.0X.DK2-2.1
G 1910 series Technical data | 8
Current supply
2*AA-NiMH batteries (included in delivery)
Current requirement/
Rechargeable battery life approx. 50 mA, approx. 60 mA with lighting
Life approx. 24 hours with NiMH batteries (without backlight) charging time of about 8 hours
Battery indicator 4-stage charge status indicator,
Charge indicator for low charge level: "BAT LO"
Plug connector
Auto-power-OFF function
Micro USB socket (not a data connection)
The device switches off automatically if this is activated
Directives and standards The devices conform to the following Directives of the Council for the harmonisation of legal regulations of the Member States:
2014/30/EU EMC Directive
2011/65/EU RoHS
Applied harmonised standards:
EN 61326-1:2013 Emission limits: Class B
Immunity according to Table 2
Additional errors: < 1 % FS
EN 50581:2012
The device is intended for mobile use and/or stationary operation in the scope of the specified operating conditions without further limitations.
B-H90.0.0X.DK2-2.1 23 / 24
9 | Service G 1910 series
9
9.1
Service
Manufacturer
If you have any questions, please do not hesitate to contact us:
Contact
GHM Messtechnik GmbH
GHM GROUP - Greisinger
Hans-Sachs-Str. 26
93128 Regenstauf | GERMANY
Email: [email protected]
| www.greisinger.de
WEEE reg. no. DE 93889386
24 / 24 B-H90.0.0X.DK2-2.1
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