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Help CenterTop CO2 VOC Transmitter for BAS
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Top co2 voc transmitter
Features
u Designed for real time measuring ambiance carbon
dioxide level, air quality (VOC’s), temperature and
relative humidity.
u NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and reliable.
u More than 10 years lifetime of CO2 sensor.
u Mix gases sensor with high sensitivity for
VOC and cigarette.
u High accuracy temperature and relative
humidity measurement optional
u Combined both humidity and temperature
sensors seamlessly with digital auto
compensation
u Provide up to 2 or 3 analog outputs for CO2, air quality (VOC’s) and temperature or relative humidity.
u With LCD or without LCD selectable
u LCD display CO2, temperature and humidity measurements as well as air quality (VOC’s) level.
u Wall mounting type with easy installation.
u Modbus RS485 interface with outputs for
CO2, temperature, humidity and air quality (VOC’s).
u 24VAC/VDC power supply or
u EU standard
n Detection Focus
ü Carbon Dioxide (CO2)
Indoor CO2 level is a universal accepted parameter for the
condition of indoor ventilation and air quality.
l Non-dispersive infrared (NDIR) CO2 sensor with more than 10-year lifetime
l ABC self-calibration technology guarantees reliable CO2 measurement
l CO2 range: 0~2000ppm/0~5000ppm optional
l Rapid response, high stability and consistency
ü Air Quality (VOC)
The air quality sensor is a mix gases sensor with high sensitivity for VOC (kinds of volatile pollutant gases) such as
ammonia, toluene, formaldehyde and cigarette smoke, alcohol, H2S, and carbon monoxide. So it is very suitable to detector the general indoor air quality in real time and long term. It responds quickly to any change of the concentration of such gases.
l Semi-conduct mix gases sensor with 5~7 years life time
l High sensitive to volatile gases like ammonia, toluene, formaldehyde, cigarette smoke, alcohol, H2S, etc.
l Small volume, lower consumption
Temperature and humidity
Combined digital temperature and humidity sensor with high accuracy and stability. It also has compensation to
CO2 and air quality which makes the measurements more accurate by minimizing environmental effects.
n Application
u Building ventilation systems
u Industry ventilation systems
u Airport, train station, shopping mall, office, classroom and other public places for air quality measurement and
indication
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 | |
Measuring range | 0~2000ppm(default) 0~5000ppm (selectable in the order) | 1~30ppm | 0~50°C(default) -20~60°C selectable | 0~100%RH |
Display Resolution | 1ppm | 5ppm | 0.1°C | 0.1%RH |
Accuracy@25°C(77°F) | ±30ppm + 3% of reading | ±10% | ±0.5°C | ±3%RH |
Life time | 15 years (normal) | 5~7 years | 10 years | |
Calibration cycle | ABC Logic Self Calibration | —— | —— | —— |
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% | |
Warm up time | 72 hours (first time) 1 hour (operation) | |||
Electrical Characteristics | ||||
Power supply | 24VAC/VDC | |||
Consumption | 3.5 W max. ; 2.5 W avg. | |||
Outputs | Up to three analog outputs 0~10VDC (default) or 4~20mA (selectable by jumpers) 0~ 5VDC (selected in placing order, cannot be changed) | |||
Modbus interface | RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address. | |||
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
3- 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°C (default)
T06- 0~60°C
T26- -20°C~60°C
Accessory (selectable at placing the order)
921: back plate for wall mounting
921+922: desktop bracket
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