HK Instruments RHT-MOD Duct Series – Humidity Transmitter Duct Mounted

Features

  • Separate Modbus output for each measurement parameter (rH and T)
  • Offset feature enabling field calibration for each measurement parameter (rH and T)
  • Mounting flange
  • Clear backlit display
Enquiry

Humidity Transmitters With Temperature Output For Duct That Use Modbus Serial Communication Protocol

HK Instruments RHT-MOD Duct is a transmitter for relative humidity with temperature output, designed for installation in air ventilation ducts. Its illuminated display ensures easy readability, even from a distance. With a screwless lid and an easily adjustable mounting flange, installation of the device is straightforward.

Applications

HK Instruments 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

Communication: RS-485 Modbus (RTU)
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
Operating temperature: 0…+50 °C
Protection standard: IP54

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