Siemens® QFM2100 Duct Sensor

Product Id : 157376


Siemens® QFM2100 Duct Sensor acquires the relative humidity in the air duct via its capacitive humidity sensing element whose electrical capacitance changes as a function of the relative humidity. This sensor acquires the temperature in the air duct via its sensing element whose electrical resistance changes as a function of the temperature.


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Country : United States

Product Description

Siemens® QFM2100 Duct Sensor is for use in air ducts of ventilation and air conditioning plant for acquiring.

Features of Siemens® QFM2100 Duct Sensor :

  • Control sensors in the supply or extract air.
  • Reference sensors, e.g. for shifting the dew point.
  • Limit sensors, e.g. in connection with steam humidifiers.
  • Limit sensors, e.g. for connection to a building automation and control system.for measured value indication or


Additional Information

Weight 1 kg
Manufacturer Siemens
Model No QFM2100
Temperature 0 to 50 ℃
Accuracy 0.1 ºC
Humidity 0 to 100 %RH
Accuracy_1 ±3% RH
Operating Voltage AC 24 V or DC 13.5 to 35 V
Immersion length 90 to 154 mm
Time constant Humidity: <20 s, Temperature in with 2 m/s moved air: <3.5 min
Connection, electrical Screw terminals
Signal output humidity DC 0 to 10 V
Power Consumption ≤ 1 VA
IP Rating IP 54
Type of fixing Flange
Analog Output, Signal DC 0 to 10 V, DC 4 to 20 mA
Dimensions 80 X 88 X 39mm
Weight 590 Grams

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