Environment Projects
Description
? Features
? Design for real time measuring ambiance carbon
dioxide level and temperature +RH%
? NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and more reliable.
? More than 10 years lifetime of CO2 sensor
? High accuracy temperature and humidity
measurement
? Combined both humidity and temperature
sensors seamlessly with the digital auto compensation
? Provide up to three analog linear outputs for measurements
? LCD is optional to display CO2 and temperature &RH measurements
? Optional Modbus communication
? 24VAC/VDC power supply
? EU standard and CE-approval
? Application
? Building ventilation systems
? Industry ventilation systems
? Airport, train station, shopping mall, office, classroom and
other public places for air quality measurement and
indication
? Lab., warehouse, and other places to detect
CO2+Temp. +RH%
Specifications
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 (selectable by jumpers)
0~5VDC (selected at placing the order)
Modbus communication (optional) RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, indep
Read More
Tongdy
CO2 sensor
Address: 3-3-5/F IN-DO MANSION, No.48-jia Zhichun Road, Haidian District,
Beijing, Beijing
China, 100098
Tel: 86-15101027950
Fax: 86-10-58731275
