Humidity Controls

Room Mount Humidity Sensors

humidity-control

Siemens room humidity controls are for use in ventilation and air conditioning plants where high accuracy for measuring relative humidity is required.

Features:

  • single output 0..10Vdc or optional 4..20mA for relative humidity
  • second output 0..10Vdc or optional 4..20mA for temperature
  • 24Vac/dc
  • QFA20.. for standard applications
  • QFA31.. for demanding industrial or swimming pool applications
QFA2000room sensor, humidity, 0..95%RH, 24Vac/dc, 0..10Vdc output, IP30Download Datasheet
QFA2060room sensor, humidity & temperature, 0..95%RH, 24Vac/dc, 0..10Vdc output, IP30Download Datasheet
QFA3160room sensor, humidity & temperature, 0..100%RH, 24Vac/dc, 0..10Vdc analog output, IP65Download Datasheet
QFA2060Droom sensor, humidity & temperature, 0..95%RH, 0..10Vdc output, display, IP30Download Datasheet
QFA3100room sensor, humidity, 0..100%RH, 0..10Vdc analog output, IP65Download Datasheet
QFA3160Droom sensor, humidity & temperature, 0..100%RH, 0..10Vdc outputs, display, IP65Download Datasheet
AQF3100sensor accessory, sun shield

Duct Mount Humidity Sensors

Siemens duct mount humidity controls are for use in air ducts of ventilation and air conditioning plants for acquiring relative humidity and temperature.

QFM2160

Features:

  • single output 0..10Vdc or optional 4..20mA for relative humidity
  • second output 0..10Vdc or optional 4..20mA for temperature
  • 24Vac/dc
  • QFM21.. for standard applications
  • QFM31.. for demanding applications such as swimming pools
QFM2100duct sensor, humidity, 0..95%RH, 24Vac/dc, 0..10Vdc output, IP54Download Datasheet
QFM2160duct sensor, humidity & temperature, 0..95%RH, 24Vac/dc, 0..10Vdc output, IP54Download Datasheet
QFM3160duct sensor, humidity, 0..100%RH, 24Vac/dc, 0..10Vdc outputs, IP65Download Datasheet
QFM3100duct sensor, humidity, 0..100%RH, 0..10Vdc output, high demandDownload Datasheet
QFA1000

Humidistats

The Siemens humidistats are used for controlling and monitoring relative humidity in ventilation or air conditioning facilities.

Features:

  • humidity measuring element made of stabilised plastic
  • setpoint for the upper switching point
  • relay output
QFA1000room hygrostat, 30..90%RH, 230Vac, 5A, concealed setpointDownload Datasheet
QFA1001room hygrostat, 30..90%RH, 230Vac, 5A, setpoint adjusterDownload Datasheet
QFM81.2hygrostat, duct mount, on-off, mounting flange, setpoint adjusterDownload Datasheet
QFM81.21hygrostat, duct mount, on-off, mounting flange, concealed setpointDownload Datasheet

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