Siemens QAM2120.040 Duct Temperature SensorPassive sensors for acquiring the air temperature in air ducts.The duct temperature sensors are for use in ventilation and air conditioning plants as:• Supply or extract air temperature sensors• Limit sensors, e.g. for minimum limitation of the supply air temperature• Reference sensors, e.g. for shifting the room temperature as a function of the outside temperature• Measuring sensors, e.g. for measured value indication or for connection to a building automation and control system
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