CDWN Carbon Dioxide Transmitter are designed for monitoring & controlling indoor air quality (CO2 concentration). CDWN is suitable for wall mount. Digital technology applied, over voltage and reverse polarity protection, high reliability and anti-interference capability
CDWN CO2 transmitter Features:
Sensor: NDIR sensor, with ABC algorithm
Sampling Method: diffusion
Accuracy: see models
Response time: ＜120s (30cc/min, low airflow)
Drift: ＜±10ppm/year
Range: 0~2000ppm (measurement range 400~2000 ppm)
Output: 4~20mA, 0~10V, RS485/Modbus
