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manufacturer:
Siemens
mpn:
QFM3171
Product Description
Siemens - QFM3171 Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 4-20 4 T: 4-20 mA
This Q-Series Duct Relative Humidity and Temperature Sensor monitors and transmits changes in humidity and temperature to the building control system. This unit is especially suited for applications where precise, stable humidity and temperature sensing is required. It has a 2 percent accuracy rating, a 4 to 20 mA humidity output signal, and a 4 to 20 mA temperature signal.
Additional Information
Immersion length90…206 mm
Measurement range humidity0…100 % r.h.
Measuring range, temperature0…50 °C, -35…35 °C, 0…70 °C
Sensing element, humidity0...100 % r.h.
Sensing element, temperatureDC 4...20 mA
Signal output humidityDC 4...20 mA
Signal output temperatureDC 4...20 mA
Operating voltage13.5…35 VDC
Analog outputs4-20 mA
Measuring rangeTemperature: -40 to 158°F; Humidity: 0 to 100% RH
Measurement accuracyAt 15…35 °C: ±0.6 K, 23 % r.h., 0…100 % r.h.: ±2 % r.h.
Dimensions (W x H x D)80 x 88 x 39 (274) mm