Siemens QFA3280.DWSC, Siemens QFA3280.DWSC Room Temp Sensor, RH 2%, for TEC, Digital signal, Sense & with Display, Tool Port.

Siemens QFA3280.DWSC, Siemens QFA3280.DWSC Room Temp Sensor, RH 2%, for TEC, Digital signal, Sense & with Display, Tool Port.. Siemens QFA series room relative humidity and temperature sensor are designed for use with Siemens TECs (Terminal Equipment Controllers) in HVAC systems. Input signals communicate with the TECs to maintain desired ventilation, heating and cooling room conditions.