Wall mount carbon dioxide concentration in the ambient air up to 2,000ppm, output signal 0-10V and/or 4-20mA, 24vAC/DC power
Sensor: NDIR sensor, with ABC algorithm*
Sampling Method: diffusion
Accuracy 40 ppm + 3% reading
Response time(T90): <120s (30cc/min, low airflow)
Drift: <±10ppm/year
Range: 0~2000ppm (measurement range 400~2000 ppm)
Output: 4~20mA, 0~10V, RS485/ Modbus (optional only)
Load resistance: ≤500Ω (Current output), ≥2kΩ (Voltage output)
Power supply: 16~28VAC/18~35VDC
Working environment: 0~50°C, 0~85%RH (Non-cond.)
Temp. Compensation: 0:10~40°C
Storage temperature: -20~60°C
Housing: fire retardant PC(UL94V-0)
fire retardant ABS+PC(UL94V-0)
Protection: IP30
Weight: 160g
Approval: CE *ABC algorithm: Automatic Baseline Correction, it constantly keeps track
of the sensor’s lowest reading over a few days interval and slowly corrects
for any long term drift detected as compared to the expected fresh air
value of 400 ppm CO2.
