Extech HT30 Heat Stress Meter WBGT Heat Index

SKU: EXTEHT30
  • Heat Stress Index measures how hot it feels
  • Black Globe Temperature (TG) monitors the effects of direct solar radiation
  • Measures Air Temperature (TA) and Relative Humidity (RH)
More Info
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Extech HT30 Heat Stress WBGT Index Meter

The HT30 is an advanced temperature and humidity meter which measures in a unique way via its Wet Bulb Globe capability.

With the HT30’s built in Heat Stress Index allows a user to calculate how hot it feels in any given environment by combining together readings from temperature, air movement, humidity and radiant heat. This is an improvement on a regular temperature and humidity meter by giving a user a much more comprehensive view of ambient conditions in the environment. The instrument can also be used for single measurements of humidity and air temperature.

An additional Black Globe Temperature mode (TG) directly monitors the effects of solar-radiation on exposed surfaces. The HT30 also benefits from an In/Out function which displays the WGBT value with or without direct sun exposure.

Additional versatility comes from combining the HT30 with optional windows software. For conveyance the HT30 has a built in RS232 interface allowing Environmental surveyors the ability to document results and interacts with the data.

Extech HT30 Heat Stress WBGT Index Meter Main Features

  • Heat Stress Index measures how hot it feels when humidity is combined with temperature, air movement, and radiant heat.
  • Choose from measurements in °F and °C units.
  • Black Globe Temperature (TG) monitors the effects of direct solarradiation on an exposed surface
  • Measures Air Temperature (TA) and Relative Humidity (RH) separately.
  • In/Out Function displays the WGBT value with or without direct sun exposure
  • Selectable Auto Power off mode
  • Built in RS232 interface (optional windows software available)
  • Supplied with two AAA batteries 

What's In The Box?

  • Extech HT30 Heat Stress WBGT Wet Bulb Globe Temperature Meter
  • 2 x AAA Batteries
Specification
Specifications Range Basic Accuracy
Wet Bulb Globe Temperature (WBGT) 32 to 122°F (0 to 50°C) ±4°F/2°C
Black Globe Temperature (TG) 32 to 176°F (0 to 80°C) ±4°F/2°C
Air Temperature (TA) 32 to 122°ºF (0 to 50ºC) ±1.8°F/1.0°C
Humidity 0 to 100%RH ±3%RH
Dimensions Meter: 10 x 1.9 x 1.1" (254 x 48.7 x 29.4mm)
Ball: 1.6" dia, 1.4" high (40mm diameter, 35mm high)
Weight 4.8oz (136g)
Label Type Size Download
pdf Heat Stress WBGT (Wet Bulb Globe Temperature) Meter pdf 2 MB Download