Siemens® QFM2171 Duct Sensor

Product Id : 157421

10,127.12

Siemens® QFM2171 Duct Sensor transmits changes in humidity and temperature to the building control systems. These sensors are mainly suitable for applications where precise, stable humidity sensing is required.
Applications: Air Ducts, HVAC Systems, etc.

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Country : United States

Product Description

Siemens® QFM2171 Duct Sensor transmits the changes in humidity & temperature to the building control systems. These sensors are mainly suitable for applications where precise, stable humidity sensing is required.
Siemens® QFM2171 Duct Sensors are for use in air ducts of ventilation and air conditioning plants for acquiring:

  • Relative Humidity
  • Temperature

The sensors are used as:

  • 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

Additional Information

Weight 1 kg
Manufacturer Siemens
Model No QFM2171
Measuring Parameters Temperature and Relative Humidity
Temperature -35 to +35 °C, -40 to +70 °C, 0 to 50℃
Accuracy ±0.3 °K
Humidity 0 to 100 %RH
Accuracy_1 ±3% RH
Operating Voltage DC 13.5...35 V
Sensing element, temperature DC 4 to 20 mA
Time constant Humidity: 20 s, Temperature: 20 s
Immersion length 90...154 mm
Connection, electrical Screw terminals
IP Rating IP 54
Type of fixing Flange
Analog Output, Signal DC 0...10 V, DC 4...20 mA
Signal output temperature DC 4 to 20 mA
Signal output humidity DC 4 to 20 mA
Dimensions 80 X 88 X 39mm
Weight 590 Grams

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