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manufacturer:
Siemens
mpn:
QFM2120
Product Description
Siemens - QFM2120 Duct RH and Temp Sensor, 5 percent, RH: 0-10 Vdc, T: 1K ohm Nickel
This Q-Series Duct Relative Humidity and Relative Humidity 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 sensing is required. This sensor has a 5 percent accuracy rating, a 0 to 10 Vdc humidity output signal, and a 1000 ohm nickel temperature signal.
Additional Information
Immersion length90…154 mm
Measurement range humidity0…95 % r.h.
Measuring range, temperature0…50 °C, -35…35 °C, -40…70 °C
Sensing element, temperatureLG-Ni1000
Time constantHumidity: 20 s, Air v
Signal output humidityDC 0...10 V
Signal output temperatureLG-Ni1000
Operating voltage24 VAC, 13.5…35 VDC
Analog outputs0-10 V
Measuring rangeTemperature: -40 to 158°F; Humidity: 0 to 95% RH
Measurement accuracyAt 15…35 °C: ±0.6 K, 23 % r.h., 30…70 % r.h.: ±3 % r.h.
Dimensions (W x H x D)80 x 88 x 39 (222) mm