Humidity Transmitter Duct Mounted – HK Instruments RHT Duct Series

Features

  • Separate output for each measurement parameter (rH and T)
  • Offset feature enabling field calibration for each measurement parameter (rH, T)
  • Mounting flange
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Humidity transmitters with temperature output for duct

RHT Duct is a relative humidity transmitter with temperature output installed in air ventilation duct. Illuminated display ensures easy readability also from a distance. The RHT has a screwless lid and an easily adjustable mounting flange that make the installation of the device easy.

RHT Duct series device options offer:

  • Clear backlit display
  • Modbus configuration
  • 4-20 mA proportional output

Applications

RHT Duct series devices are commonly used to monitor and control:

  • Relative humidity and temperature levels of incoming and
    return air in ventilation system

Specification

Accuracy: Temperature: <0.5 °C
Relative humidity: ±2…3 % rH at 0…50 °C and 10…90 % rH
Total error band includes accuracy, hysteresis and temperature effect over 5…50 °C and 10–90 % rH
Measuring units: °C, % rH
Measurement elements: NTC10k temperature sensor, thermoset polymer capacitive sensing element for humidity
Supply voltage: 24 VDC/VAC ±10 %
Current consumption: max 90 mA (at 24 V) + 10 mA for each voltage output
Output signal 1: 0/2…5/10 V (linear to rH)
Output signal 2: 0/2…5/10 V (linear to Temp)
Optional output signal 3: 4…20 mA (linear to rH) (A model)
Optional output signal 4: 4…20 mA (linear to Temp) (A model)
Operating temperature: 0…+50 °C
Protection standard: IP54

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HK Instruments RHT Duct Series Humidity Transmitter Duct Mounted-DpstarGroup

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