Wholesale CO2 Transmitter with LCD display
Features
uDesign for real time measuring ambiance carbon
dioxide level and temperature +RH%
uNDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and more reliable.
uMore than 10 years lifetime of CO2 sensor
uHigh accuracy temperature and humidity
measurement
uCombined both humidity and temperature
sensors seamlessly with the digital auto compensation
uProvide up to three analog linear outputs for measurements
uLCD is optional to display CO2 and temperature &RH measurements
uOptional Modbus communication
u24VAC/VDC power supply
uEU standard and CE-approval
nApplication
uBuilding ventilation systems
uIndustry ventilation systems
uAirport, train station, shopping mall, office, classroom and
other public places for air quality measurement and
indication
uLab., warehouse, and other places to detect
CO2+Temp. +RH%
nSpecifications
Carbon Dioxide | |||
Sensing element | Non-Dispersive Infrared Detector (NDIR) | ||
CO2 measuring range | 0~2000ppm/ 0~5,000ppm optional | ||
CO2 Accuracy | ±30ppm + 3% of reading @22℃(72℉) | ||
Temperature dependence | 0.2% FS per℃ | ||
Stability | <2% of FS over life of sensor (15 year typical) | ||
Pressure dependence | 0.13% of reading per mm Hg | ||
Calibration | ABC Logic Self Calibration Algorithm | ||
Response time | <2 minutes for 90% step change typical | ||
Signal update | Every 2 seconds | ||
Warm-up time | 2 hours (first time) / 2 minutes (operation) | ||
Temperature | Humidity | ||
Measuring range | 0℃~50℃(32℉~122℉) (default) | 0 ~100%RH | |
Accuracy | ±0.4℃ (20℃~40℃) | ±3%RH (20%-80%RH) | |
Display resolution | 0.1℃ | 0.1%RH | |
Stability | <0.04℃/year | <0.5%RH/year | |
General Data | |||
Power supply | 24VAC/VDC | ||
Consumption | 1.8 W max. ; 1.2 W avg. | ||
Analog outputs | 1~3 X analog outputs 0~10VDC(default) or 4~20mA (selectableby jumpers) 0~5VDC (selected at placing theorder) | ||
Modbus communication(optional) | RS-485 with Modbus protocol, 19200bps rate, 15KVantistatic protection, independent base address. | ||
Operation conditions | 0~50℃(32~122℉); 0~95%RH, non condensing | ||
Storage conditions | 10~50℃(50~122℉), 20~60%RH noncondensing | ||
Net Weight | 240g | ||
Dimensions | 130mm(H)×85mm(W)×36.5mm(D) | ||
Installation | wall mounting with 65mm×65mmor 2"×4"wire box | ||
Housing and IP class | PC/ABS fireproof plastic material,protection class: IP30 | ||
Standard | CE-Approval | ||
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