Siemens Humidity and Temperature Sensor: Duct Mount, 32°F to 122°F, Polycarbonate
The Siemens QFM2171 is a duct-mounted temperature and humidity sensor with a plastic housing and screw terminals. It provides a 4 to 20 mA humidity output, a relative humidity range of 0 to 95% with an accuracy of…
SKU 3G-OTH-68652
Also listed as: QFM 2171 · QFM-2171
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 QFM2171 is a duct-mounted temperature and humidity sensor with a plastic housing and screw terminals. It provides a 4 to 20 mA humidity output, a relative humidity range of 0 to 95% with an accuracy of ±5% of full scale, and a temperature accuracy of ±0.50 K. This sensor is compatible with BACnet MS/TP building automation protocols and is designed for use with building automation systems.
Frequently Asked Questions
What is the Siemens QFM2171 duct sensor used for?
The Siemens QFM2171 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 QFM2171?
The Siemens QFM2171 has a relative humidity range of 0 to 95% with ±5% full-scale accuracy, temperature accuracy of ±0.50 K, and a 4 to 20 mA humidity output. It features a plastic housing, screw terminals, and is designed for duct mounting. It is compatible with BACnet MS/TP building automation systems.
Where to buy the Siemens QFM2171 worldwide?
The Siemens QFM2171 is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we source and deliver this sensor to your location.
How to install the Siemens QFM2171 duct sensor?
Install the Siemens QFM2171 by mounting it in the duct with the sensing element exposed to airflow. Use screw terminals for electrical connections, ensuring wiring matches the 4 to 20 mA output and BACnet MS/TP protocol. Follow standard HVAC sensor installation practices for accurate readings and reliable operation.
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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.
