Transmitter

 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