Siemens QFM2100 Duct Sensor 0-10 VDC 5%

The Siemens QFM2100 Duct Sensor, is a humidity sensor for the precise detection of relative humidity in HVAC systems. This device has a 0–10 VDC output which can be used with a lot of building management systems. It is guaranteed to be accurate 0 to 95% RH. Inside a strong, neutral white polycarbonate housing, the sensor is long lasting. It's a tiny black box installed in the ductwork of an HVAC system that watches over humidity levels and helps maintain a healthy indoor environment with comfort and air quality.Due to this sensor, HVAC systems can start controlling activities such as humidification or dehumidification, in order to achieve a balanced and comfortable climatic situation inside.