Belimo Temperature and Humidity Sensor 22DTH Duct sensor Humidity / Temperature Active sensor (0…10 V) for measuring the relative or absolute humidity and temperature in duct applications. FEATURES Nominal voltage AC/DC 24 V Nominal voltage range AC 21.6...26.4 V / DC 13.5...26.4 V Cable entry Cable gland with strain relief ø6...8 mm Power consumption AC 0.8 VA Download PDF Now