Specifications
|
Monitoring parameters |
CO2 |
Air Quality (VOC’s) |
Temperature |
Relative humidity |
|
Sensing element |
Non-Dispersive Infrared Detector (NDIR) |
Semiconductor mix gases sensor |
Digital combined temperature and humidity sensor |
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|
Measuring range |
0~2000ppm(default) 0~5000ppm (selectable in the order) |
1~30ppm |
0~50(default) -20~60 selectable |
0~100%RH |
|
Display Resolution |
1ppm |
5ppm |
0.1 |
0.1%RH |
|
Accuracy@25(77) |
±30ppm + 3% of reading |
±10% |
±0.5 |
±3%RH |
|
Life time |
15 years (normal) |
57 years |
10 years |
|
|
Calibration cycle |
ABC Logic Self Calibration |
—— |
—— |
—— |
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Response Time |
<2 minutes for 90% change |
<1 minute (for 10ppm hydrogen, 30ppm ethanol) <5 minute (for a cigarette) in 20m2 room |
<10 seconds to reach 63% |
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Warm up time |
72 hours (first time) 1 hour (operation) |
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Electrical Characteristics |
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Power supply |
24VAC/VDC |
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Consumption |
3.5 W max. ; 2.5 W avg. |
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Outputs |
Up to three analog outputs 0~10VDC (default) or 4~20mA (selectable by jumpers) 0~ 5VDC (selected in placing order, cannot be changed) |
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Modbus interface |
RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address. |
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Features
1. Designed for real time measuring ambiance carbon dioxide level, air quality (VOC’s), temperature and relative humidity.
2. NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and reliable.
3. More than 10 years lifetime of CO2 sensor.
4. Mix gases sensor with high sensitivity for VOC and cigarette.
5. High accuracy temperature and relative humidity measurement optional
6. Combined both humidity and temperature sensors seamlessly with digital auto compensation
7. Provide up to 2 or 3 analog outputs for CO2, air quality (VOC’s) and temperature or relative humidity.
8. With LCD or without LCD selectable
9. LCD display CO2, temperature and humidity measurements as well as air quality (VOC’s) level.
10. Wall mounting type with easy installation.
11. Modbus RS485 interface with outputs for CO2 temperature, humidity and air quality (VOC’s)
Application
1. Building ventilation systems
2. Industry ventilation systemsAirport, train station, shopping mall, office, classroom and other public places for air quality measurement and indication
Models Selection
G01-IAQ-B X Y C –Z 0 1 – U 02/05 – Tab
X: LCD or no LCD
1- basis type without LCD
3- standard type with LCD (LCD displays real-time measurement of CO2+air quality+Temp.+RH)
Y: Power socket
0- without a power socket
1- with a power socket to connect a power adaptor
C: 24VAC/VDC power supply
Z: analog output
3-3Xanalog outputs for CO2+air quality +Temp.(default)/RH (selectable by jumpers)
2-2xanalog outputs for CO2+air quality
0-no analog output
U: default analog output type
A- 4~20mA
V- 0~10VDC (default)
V05- 0~5VDC
02/05: CO2 range
02- 0~2000ppm
05- 0~5000ppm
Tab: temperature scaling
T05- 0~50 (default)
T06- 0~60
T26- -20~60
Accessory (selectable at placing the order)
921: back plate for wall mounting
921+922: desktop bracket
Wiring diagram
