Siemens QFM3171 Duct Temperature and Humidity Sensor
The Siemens QFM3171 is a duct-mounted temperature and humidity sensor with a plastic housing and no display. It provides a 4 to 20 mA humidity output, covers a relative humidity range of 0 to 100%, and offers a…
SKU 3G-OTH-68695
Also listed as: QFM 3171 · QFM-3171
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Siemens QFM3171 is a duct-mounted temperature and humidity sensor with a plastic housing and no display. It provides a 4 to 20 mA humidity output, covers a relative humidity range of 0 to 100%, and offers a temperature accuracy of ±0.50 K with a relative humidity accuracy of ±5% of full scale. The sensor uses screw terminals for electrical connection and is compatible with BACnet MS/TP building automation protocols.
Frequently Asked Questions
What is the Siemens QFM3171 duct sensor used for?
The Siemens QFM3171 is a duct-mounted temperature and humidity sensor used in building automation systems to monitor and control HVAC conditions. It provides a 4 to 20 mA humidity output and is compatible with BACnet MS/TP protocols, making it suitable for commercial and industrial environments requiring precise environmental monitoring.
What are the specifications of the Siemens QFM3171?
The Siemens QFM3171 measures temperature from 32°F to 122°F with ±0.50 K accuracy and relative humidity from 0 to 100% with ±5% of full scale accuracy. It features a polycarbonate housing, screw terminals, and a 4 to 20 mA humidity output. It is compatible with BACnet MS/TP building automation systems.
Where to buy the Siemens QFM3171 worldwide?
You can source the Siemens QFM3171 through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens components for building automation systems.
How to install the Siemens QFM3171 duct sensor?
Install the Siemens QFM3171 by mounting it in the duct with the sensing element exposed to airflow. Use screw terminals for electrical connection to a 4 to 20 mA input on a BACnet MS/TP controller. Ensure the sensor is not exposed to condensation or direct sunlight. Follow standard HVAC sensor installation practices for accurate readings.
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3G Electric supplies Siemens duct temperature & humidity sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.