QFA3171 | Outside Air RH and Temp Sensor, 2 percent, RH: 4-20 4 to 20 Ma T: 4-20 mA | Siemens
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Brand: SiemensSKU: QFA3171

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$265.52
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QFA3171 | Outside Air RH and Temp Sensor, 2 percent, RH: 4-20 4 to 20 Ma T: 4-20 mA | Siemens

This Q-Series Outdoor Air 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 HVAC applications where high accuracy and short response times for measuring relative humidity are required. This sensor has a 2 percent accuracy, a 4 to 20 mA humidity output signal, and a 4 to 20 mA temperature output signal.

Siemens | QFA3171
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Overview

Details for QFA3171

Outside Air RH and Temp Sensor, 2 percent, RH: 4-20 4 to 20 Ma T: 4-20 mA

Specifications

Measurement range humidity
0…100 % r.h.
Measuring range, temperature
0…50 °C, -35…35 °C, -40…70 °C
Time constant
Humidity: 20 s, Temperature: 510 s
Signal output humidity
DC 4...20 mA
Signal output temperature
DC 4...20 mA
Operating voltage
13.5…35 VDC
Analog outputs
4-20 mA
Measurement accuracy
At 15…35 °C: ±0.6 K, 23 % r.h., 0…100 % r.h.: ±2 % r.h.
Dimensions (W x H x D)
80 x 144 x 39 mm

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