QFA3171D Room sensor for humidity (4...20 mA) and temperature (4...20 mA) for demanding requirements, with display For relative humidity and temperature. Degree of protection: IP65, IP40 (measuring tip Signal output humidity DC 4...20 mA Signal output temperature DC 4...20 mA Operating voltage DC 13.5…35 V Sensing element, temperature Pt1000 Measuring range, temperature 0…50 °C, -35…35 °C, -40…70 °C Measurement range humidity 0…100 % r.h. Measurement accuracy At 15…35 °C: ±0.6 K, At 40…70 °C: ±0.8 K23 % r.h., 0…100 % r.h.: ±2 % r.h.±2 % r.h. Time constant Humidity: 20 s, Temperature: 510 s Connection, electrical Screw terminals Display LCD Degree of protection IP65 / IP40 Dimensions (W x H x D) 80 x 144 x 39 mm #QFA3171D #QFM3171 #Siemens Humidity sensor #Siemens Sensors in Vadodara #QFA3171 #Malteax trading