![Siemens QFM2171 Duct Sensor, 4-20mA specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-qfm2171-specs.png?v=1794070608&width=1445)
This Siemens QFM2171 is a duct-mounted sensor with a 4-20mA output signal, used in building automation and HVAC control systems to monitor duct conditions and send a proportional current signal to the controller. This is a genuine Siemens replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | QFM2171 |
|---|---|
| Brand | Siemens |
| Type | Duct Sensor |
| Mounting | Duct |
| Output Signal | 4-20mA |