Siemens QFA-3171

The Siemens QFA-3171 is a versatile temperature sensor designed to operate accurately across a range of environments. It measures temperatures within three selectable ranges: 0 to 50°C, -35 to 35°C, and -40 to 70°C, while also monitoring relative humidity from 0 to 100%. With an accuracy of ±2%, this sensor delivers reliable data for precise climate control applications. It operates on a 4-20 mA output signal, powered by a 13.5 to 35 VDC supply, and features screw terminals for straightforward wiring. The device is built to withstand demanding conditions, offering an IP65 rated enclosure and an IP40 rated measuring tip. This Siemens sensor is available through BSP Automation, providing dependable solutions for temperature and humidity measurement needs.