QFA2071 Room sensor for humidity (DC 4...20mA) and temperature (DC 4...20mA Signal output humidity DC 4...20 mA Signal output temperature DC 4...20 mA Operating voltage DC 13.5…35 V, 24 V Measuring range, temperature 0…50 °C, -35…35 °C, -40…70 °C Measurement range humidity 0…95 % r.h. Measurement accuracy 23 °C: 23 % r.h., 0…95 % r.h.: ±5 % r.h.At 23 °C, 30…70 % r.h.: ±5 % r.h. Time constant Humidity: 20 s, Temperature: 510 s Dimensions (W x H x D) 90 x 100 x 36 mm #Siemens Sensors #QFA2071