Extech RH35 Desktop Radar Hygro-Thermometer Alert

RH35 Desktop Radar Hygro-Thermometer Alert


Extech’s RH35 monitors Humidity, Temperature, and Dew Point for the previous 24 hours and alerts users to indoor mold hazard conditions starting with a frown icon warning when humidity reaches 60%RH. When the RH exceeds 65%, a loud audible alarm and bright flashing red LED will be triggered. The frown icon will also appear if the environment is too dry (<40%RH) where static electricity becomes a concern.


  • Commercial, retail and residential sites prone to mold
  • Laboratories, R&D, server rooms, clean rooms and bio-pharmaceutical manufacturing
  • Museums and storage and document archive facilities

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