Siemens Desigo QFM2160 Luftkanal‑Sensor für Temperatur & Feuchte - Duct Sensor
The QFM21. duct sensors are for use in air ducts of ventilation and air conditioning. - Sensors for enthalpy and absolute humidity, together with SEZ220 (see Data Sheet. - Limit sensors, e.g. in connection with steam humidifiers. ).