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HVAC Duct Sensor SIEMENS QFM2171 for Temp and Humidity
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SIEMENS QFM2171
Reliable duct-mounted temperature and humidity sensor from Siemens for precise climate monitoring in HVAC systems
| Brand | SIEMENS |
| Model | QFM2171 |
| Voltage | 24V AC/DC |
| Country of Origin | Germany |
| Weight | 0.18 kg |
| Dimensions | 79 x 67 x 42 mm |
| Warranty | 6 months |
| Certifications | CE, UL, RoHS |
| SKU / MPN | QFM2171 |
| What’s in the box | QFM2171 sensor, mounting flange, installation manual |
| Sensor Type | Duct temperature and humidity sensor |
| Temperature Range | -35 to 50 °C |
| Humidity Range | 0 to 95 % RH |
| Output Signal | 0-10 V DC active |
| Protection Class | IP54 |
| Mounting | Duct mount with mounting flange |
Key benefits: High accuracy sensing, dual temperature and humidity measurement, robust IP54 housing, easy duct installation, long-term stability, seamless BMS integration
Typical applications: HVAC air handling units, clean room monitoring, building automation systems, ventilation ducts, data center climate control, museum and archive preservation
Lifecycle: Active product, long-term availability through Siemens HVAC portfolio
1 review for HVAC Duct Sensor SIEMENS QFM2171 for Temp and Humidity
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William G. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.