QFM81.21
Siemens Building Technologies HVAC Sensors, QFM81 Series

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QFM81.21

Siemens Building Technologies HVAC Sensors, QFM81 Series
Siemens-Building-Technologies
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QFM81.21

Siemens Building Technologies HVAC Sensors, QFM81 Series
Siemens-Building-Technologies
Duct Hygrostat, 30 TO 90pct. RH
MFG Item Number
QFM81.21
Series
QFM81
More specs
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Description

HVAC Sensors, QFM81 Series
Item #
QFM81.21
Duct Hygrostat, 30 TO 90pct. RH

QFM81 Series Information

  • Stabilized Sensing Strip (Good Linearity, Very Stable Even At High Humidity, Insensitive to Dust and Contaminated Air)
  • Can Be Mounted in Ventilating Ducts or Rooms
On/off hygrostat with microswitch, and temperature compensated humidity sensor for temperature independent humidity measurements.


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Specifications

Specifications
Manufacturer Part Number QFM81.21
Manufacturer Siemens Building Technologies
Product Series QFM81
Family Series Siemens Building Technologies HVAC Sensors, QFM81 Series
Description Duct Hygrostat, 30 TO 90pct. RH
Application Duct
Output SPDT
Input 24 VAC, 24 VDC
Humidity Range 30-90 % RH
Display None
Override No
Set Point Yes
Approvals cUL, UL
Operating Temperature 32-158 °F
Comments Internal Setpoint
Net Weight 0.765 lbs
Gross Weight 1.01 lbs