Siemens Duct Air Quality Sensor CO2 & Temperature with Display – QPM2162D

Siemens Duct Air Quality Sensors

In air ducts of ventilation and air conditioning plant to enhance room comfort and to optimize energy consumption by providing demand-controlled ventilation. The sensor acquires:
i)  CO2 concentrations.
ii) VOC concentrations as an indication of odors in the duct air, such as tobacco smoke, body odor, or material fumes.
iii) The relative humidity of the duct air.
iv) The duct air temperature.


Categories: ,
Operating Voltage

AC 24 V ±20 % or DC15…35 V (SELV)
AC/DC 24 V class 2 (US)

Temperature Measuring Range

0…50 °C / -35…+35 °C

Temperature Signal Output

DC 0…10 V or DC 0…5 V
0…50 °C / – 35…+35 °C max. ±1 mA
4…20 mA 0… 50 °C, / -35…+ 35 °C,
max. 500 Ohm

Humidity measuring range

0…100 %

Protection degree of housing


Protection class

III according to EN 60730-1

CO2 measuring range

0…2000 ppm


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