Siemens QFM3171 Temperature-Humidity Duct Sensor

Product Id : 2599

19,852.00

Siemens QFM3171 Temperature and humidity duct sensor can be use in ventilation and air conditioning plants where high accuracy and short response times for measuring relative humidity are required. The measuring range covers the entire humidity range of 0…100 %.

Applications: Storage and production facilities in the paper, textile, pharmaceutical, food, chemical and electronics industry, Laboratories, Hospitals, Computer and EDP centers Indoor swimming pools, Greenhouses etc.

  Usually ships in 2 - 4 weeksUsually ships in 2 - 4 weeks, However please contact store for precise delivery schedule. Backorder also allowed

100 in stock



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Country : United States

Product Description

Siemens QFM3171 Temperature and Humidity Sensor is used as an x control sensors in the supply or extract air x limit sensor for maximum limitation of supply air humidity after a steam humidifier x limit sensor, e.g. for measured value indication or for connection to a building automation and control system x sensor for enthalpy and absolute humidity, together with the SEZ220.

Features of Siemens QFM3171 Temperature and Humidity Sensor :

  • Operating voltage AC 24 V / DC 13.5…35 V
  • Signal output DC 0…10 V / 4…20 mA for relative humidity and temperature
  • Very high measuring accuracy across the entire measuring range
  • Function test
  • Capacitive humidity measurement

Additional Information

Weight 1 kg
Manufacturer Siemens
Model No QFM3171
Measuring Parameters Temperature, Humidity
Temperature Range 0 to 50 °C / -40 to +70 °C / -35 to 35°C
Accuracy +/- 0.8°C for 15°C to 35°C, +1.0 °C for –40° to 15°C and 35°C to 70°C
Humidity Range 0 to 100%RH
Accuracy_1 +/- 2% RH
Operating Temperature –40°C to 70°C / –40°F to 158°F
Operating Humidity 0 to 95% RH (non-condensing)
Immersion length 90...206 mm
Type of fixing Flange
Frequency 50/60 Hz at AC 24 V
Protection class IP 54
Calibration Provided alongwith and valid for 1 year, traceable to National Standards.
Sensing element, temperature DC 4 to 20 mA
Connection, electrical Screw terminals
Signal output temperature DC 4 to 20 mA
Time constant Humidity:
Dimensions 80 X 88 X 39 mm
Weight 180 Grams

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