Extech RH25 Heat Index Psychrometer View larger

Extech RH25 Heat Index Psychrometer


New product

Compact indoor/outdoor meter for measuring up to 6 environmental parameters

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Call 1300 556 601 For Price

$136.00 tax excl.

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Extech’s pocket-sized Heat Index Psychrometer Pen easily monitors Heat Index during hot humid days to prevent heat stroke during outdoor activities, sporting events or, indoor workplace. Its pen-sized design makes it convenient to fit into your pocket and carry it wherever you go!



  • Built-in multiparameter sensor measures Heat Index, Wet Bulb Globe Temperature (WGBT), Humidity, Ambient Temperature, Temperature, Dew Point and Wet Bulb
  • User Programmable Heat Index/WBGT alarm
  • MIn/Max/Average
  • Data Hold, Auto Power Off with disable
  • Complete with CR2032 battery