![Siemens QFA3171 Temperature Sensor, Outside Air RH/Temp, 4-20mA specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-qfa3171-specs.png?v=1794068713&width=1445)
This Siemens QFA3171 is a genuine replacement outside air sensor for HVAC control systems. It measures both relative humidity and temperature and transmits its readings over a 4-20 mA output signal. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | QFA3171 |
|---|---|
| Brand | Siemens |
| Type | Temperature Sensor |
| Location | Outside Air |
| Measures | Humidity & Temperature |
| Output Signal | 4-20 mA |