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HVAC & Air Quality - Heat Index Meters

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Extech AN25

Heat Index Anemometer

Extech’s AN25 pocket sized Heat Index Anemometer Pen not only measures air velocity, but also 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. Complete with CR2032 battery.

Extech HT200

Heat Stress WBGT (Wet Bulb Globe Temperature) Meter

The HT200 is a Heat Stress WGBT Meter which enables accurate measurements for Wet Bulb Globe Temperature (WGBT), Black Globe Temperature (TG), Humidity (%RH), Air Temperature (TA), Wet Bulb (WT) and Dew Point (DEW). Heat Stress Index measures how hot it feels when humidity is combined with temperature, air movement and radiant heat. Stores up to 50 readings. Comes with 9V battery and carrying case.

Extech HT30

Heat Stress WBGT Meter

The HT30 Wet Bulb Globe Temperature (WBGT) meter allows you to measure Heat Stress Index, or how hot it feels when humidity is combined with temperature, air movement, and radiant heat. The meter can also take individual temperature, humidity, and radiant heat measurements as well as monitor the effects of direct solar radiation on an exposed surface using the Black Globe temperature sensor. An in/out function displays the WGBT value with or without direct sun exposure. Additional features include Auto Power Off with override and a built-in RS-232 interface. Complete with 2 AAA batteries.

Extech RH25

Heat Index Psychrometer

The Extech RH25 Heat Index Psychrometer pen easily monitors heat index during hot, humid days in helps to prevent heat stroke during outdoor activities or sporting events. Its pocket-sized design makes it convenient to carry it wherever you go. Complete with CR2032 battery.