Cost-effective Relative Humidity and Temperature Transmitter

General Information
Input / Output
Mechanical Data
Electrical Data


  • Operating temperature of the transmitter: -40 to 70 °C
  • Relative Humidity (RH)range: 0.0 to 100.0 % RH (No Condensing)
  • Response time: Temperature: up to 30 s
  • Response time: Humidity: up to 8 s
  • Wall Mount - unique size rod


Utilising the almost universally accepted ModBus RTU protocol over RS845 the RHT-WM-485-LCD can interface directly with all major software packages, allowing simple access to live, high resolution Temperature, Relative Humidity and Dew Point data. The large, clear LCD screen displays real-time measurements which can be quickly and easily seen, even when the transmitter is mounted at high level.

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Ohannes Markarian

A great company that provided a wide range of products from various suppliers. Support is excellent and very responsive

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Valentine Godin

Great product and customer care! Reliable, fast and honest... I have recently purchased 2 pieces of equipments; their service has been spot on from start to finish, understanding my needs, providing useful advice and rapid assistance when it was required! Highly satisfied, I highly recommend their teams and would definitely work with them again in the future!

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