![Siemens QFM4171 Humidity Sensor, Duct 4-20mA — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-qfm4171-card.png?v=1794071408&width=1946)
![Siemens QFM4171 Humidity Sensor, Duct 4-20mA specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-qfm4171-specs.png?v=1794071409&width=1946)
Siemens QFM4171 Humidity Sensor, Duct 4-20mA
Siemens QFM4171 Humidity Sensor, Duct 4-20mA
Regular price
$837.89 USD
Regular price
Sale price
$837.89 USD
Shipping calculated at checkout.
Low stock: 2 left
Quantity
- Purchase Orders & Tax-Exempt Welcome Contractors, municipalities, schools and businesses: email a PO, or send your exemption certificate once and tax comes off every order.
SKU:QFM4171
View full details![Siemens QFM4171 Humidity Sensor, Duct 4-20mA — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-qfm4171-card.png?v=1794071408&width=1445)
![Siemens QFM4171 Humidity Sensor, Duct 4-20mA specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-qfm4171-specs.png?v=1794071409&width=1445)
The Siemens QFM4171 is a duct-mounted relative humidity sensor used in HVAC systems to monitor humidity levels within ductwork. It outputs a 4-20mA signal to the building automation system for humidity control sequencing.
This is a genuine Siemens replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | QFM4171 |
|---|---|
| Brand | Siemens |
| Type | Humidity Sensor |
| Mounting | Duct |
| Output Signal | 4-20mA |