QFM81.21
Siemens Building Technologies HVAC Sensors, QFM81 Series
Toggle Nav

Sign in to see your recent orders, quotes and account activity.

Sign in
My Cart

QFM81.21

Siemens Building Technologies HVAC Sensors, QFM81 Series
In stock
Item Number
QFM81.21
MFG Item Number
QFM81.21
Series
Order by 5:00 PM ET and your package will ship the same day.
Product Details

Overview

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.


Specifications

Specifications
Manufacturer Part Number QFM81.21
Item Number QFM81.21
Manufacturer Siemens Building Technologies
Product Series QFM81
Family Series Siemens Building Technologies HVAC Sensors, QFM81 Series
Output SPDT
Input 24 VAC, 24 VDC
Humidity Range 30-90 % RH
Temperature Range 32-158 °F
Temperature Sensor No
Display None
Override No
Set Point Yes
Approvals cUL, UL
RoHS Compliant No
Comments Internal Setpoint
Net Weight 0.765 lbs
Gross Weight 1.01 lbs
© Copyright 2023 Galco Industrial Electronics, All Rights Reserved