Siemens Temperature and Humidity Sensor: Wall Mount, Digital, -40°F to 158°F, 4 to 20 mA
The Siemens QFA3171D is a wall-mount room temperature and humidity sensor with a digital display and plastic housing. It provides dual 4 to 20 mA outputs for temperature and humidity, with a temperature accuracy of…
SKU 3G-OTH-70625
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 QFA3171D is a wall-mount room temperature and humidity sensor with a digital display and plastic housing. It provides dual 4 to 20 mA outputs for temperature and humidity, with a temperature accuracy of ±0.54°F and relative humidity accuracy of ±2% of full scale over a 0 to 100% range. This sensor is compatible with MP-Bus building automation protocols and uses screw terminals for electrical connection.
Frequently Asked Questions
What is the Siemens QFA3171D temperature and humidity sensor used for?
The Siemens QFA3171D is a wall-mount room sensor that measures temperature and relative humidity for building automation systems. It outputs dual 4 to 20 mA signals and communicates via MP-Bus protocol, making it suitable for HVAC control in commercial or industrial facilities.
What are the specifications of the Siemens QFA3171D sensor?
The QFA3171D has a temperature range of -40°F to 158°F with ±0.54°F accuracy, and relative humidity range of 0 to 100% with ±2% of full scale accuracy. It features a digital display, plastic housing, screw terminals, and dual 4 to 20 mA outputs for temperature and humidity.
Where to buy the Siemens QFA3171D worldwide?
3G Electric supplies the Siemens QFA3171D worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this MP-Bus compatible sensor.
How to install the Siemens QFA3171D wall-mount sensor?
Mount the QFA3171D on an interior wall away from heat sources, drafts, and direct sunlight. Use screw terminals for electrical connection to 4 to 20 mA inputs on your building automation system. Ensure the sensor is at typical room height for accurate readings.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens room temperature & humidity sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
