Siemens QAC3171 Air Conditioning Outside Temperature Sensor

The Siemens QAC3171 is an outdoor temperature sensor that can be used in heating, ventilation, and air conditioning (HVAC) systems. It can be used as a reference sensor for outside temperature-compensated control, or as a measuring sensor for optimization, measured value indication, or for connection to a building automation and control system. The QAC3171 has an operating voltage of DC 13.5–35 V and a power consumption of 1 VA. It provides accurate temperature measurements using a sensing element of Pt1000. The QAC3171 has a 100 Ohm Platinum RTD Thermistor, -58 to 122 Deg F (-50 to 50 C), 4-20 mA Output, Polycarbonate Enclosure, and 5-Year Warranty.