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RHT811 - With Display

RHT811 is a microcontroller based, high performance RH+T transmitter. It can be factory configured for 2 x RH outputs, 2 x Temperature outputs, or 1 x RH + 1 x T output, RTD Pt100/Pt1000 sensor output. Its high reliability industrial design offers some unique functions. The RH+T transmitter is available in surface mount, duct mount and remote sensor versions. It has an integral dual 4-digit LCD display. It is PC programmable using PC Configurator DCC501. RS485 communication with MODBUS PROTOCOLis available.

  • 2x Analog outputs or 1xAnalog+Pt100/Pt1000 RTD output
  • Accuracy : Upto ± 2% RH, ± 0.5 °C for Band gap, ± 0.3 °C for Pt100, Pt1000 RTD
  • Software calibration - no trimpots
  • 18~30 V AC/DC supply
  • Dual 7-segment LCD display to show RH & T
  • PC programmable
  • Optional RS485 communication with MODBUS PROTOCOL


  • HVAC
  • Cleanroom


  • HVAC


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