Description
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
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
James P. –
Product was exactly as described. Our engineers were pleased with the performance.