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. It has a 2 percent certified accuracy, a 4 to 20 mA humidity output signal, and a 4 to 20 mA temperature output signal.
Humidity Sensor, Sensors & Thermostats, Temperature Sensor
Siemens QFA4171 Temperature and Humidity Room Sensor, 4-20mA, 2%, Certified
$552.64
Siemens QFA4171, Outside Air Relative Humidity and Temperature Sensor, 2% accuracy, certified, RH: 4-20 mA, T: 4-20 mA
Backordered: Item typically ships in 5 to 10 days
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
Operating voltage: 13.5…35 VDC
Analog outputs: 4-20 mA
Measuring range: Temperature: -40 to 158°F; Humidity: 0 to 100% RH
Measurement accuracy: At 15…35 °C: ±0.6 K, 23 % r.h., 0…100 % r.h.: ±2 % r.h.
Communication: Includes 3-point calibration certificate
Display: Not applicable
Dimensions (W x H x D): 80 x 144 x 39 mm
Documents
Product Datasheet / Manual / Installation Instruction documents are provided below:
Datasheet
Installation Instructions
Weight | 0.201 lbs |
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Dimensions | 15.8 × 8.8 × 4.5 in |
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