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CO2/Humidity/Temperature Sensor Belimo 22DTM-11, AC/DC 24 V (22DTM-11)

CO2/Humidity/Temperature Sensor Belimo 22DTM-11, AC/DC 24 V (22DTM-11)

Product code: 22DTM-11
Manufacturer code: 22DTM-11
Warranty: 2 years

Compact duct sensor for measuring CO₂, humidity, and air temperature with universal outputs, designed for precise control of HVAC applications. More information

Availability
Out of stock - can be requested
Out of stock

Parameters and catalogs

Detector type	For HVAC duct
IP Rating	IP 65
Measurement range	0-2000 ppm
Power Supply	24 VDC, 24 VAC
Type of gas	CO2 - Carbon dioxide
Weight	0.28 kg

Technical sheet download

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The Belimo 22DTM-11 duct sensor enables reliable measurement of CO₂ concentration, relative humidity, and air temperature directly in the ventilation duct. Thanks to the universal output signals of 0...5 V or 0...10 V, it can be easily integrated into most control systems.

The dual-channel CO₂ technology ensures long-term stability without the need for frequent recalibration, making the sensor suitable for continuous operation.

Main Features

Measurement of CO₂, humidity, and temperature in one device
Dual-channel NDIR CO₂ technology
Output signals 0...5 V / 0...10 V
Self-calibration of the CO₂ sensor
Mounting directly into the HVAC duct
Protection rating IP65 / NEMA 4X

Technical Specifications

Power Supply	AC/DC 24 V
Measured Quantities	CO₂, humidity, temperature
CO₂ Range	0...2000 ppm (0...5000 ppm with A-22G-A05)
Humidity Range	0...100 % RH
Temperature Range	0...50 °C
Outputs	3x 0...5 V / 0...10 V
Protection Rating	IP65 / NEMA 4X
Certification	CE, cULus, IEC/EN 60730