Data Sheet

Ordering Information:

HT30 ..............Heat Stress WBGT Meter

407752 ..........PC software and cable

Specifications subject to change without notice.

www.extech.com

1/6/15 - R1

Features:

• Heat Stress Index measures how hot it feels when humidity is

combined with temperature, air movement, and radiant heat

• Black Globe Temperature (TG) monitors the effects

of direct solar radiation on an exposed surface

• Air Temperature (TA) plus Relative Humidity (RH)

• Selectable units of °F and °C

• In/Out Function displays the WBGT value with

or without direct sun exposure

• Auto Power Off with override

• Built-in RS-232 interface with optional Windows

compatible software

• Complete with two AAA batteries

Wet Bulb Globe Temperature (WBGT)

Considers the effects of temperature, humidity and direct or radiant sunlight

Heat Stress WBGT Meter

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)

Optional Windows

compatible PC

software (407752) for further data

analysis and to generate reports

Applications:

• Athletic training

• Monitor outdoor working conditions

• Manufacturing

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Heat Stress WBGT Meter Wet Bulb Globe Temperature (WBGT) Considers the effects of temperature, humidity and direct or radiant sunlight Features: • Heat Stress Index measures how hot it feels when humidity is combined with temperature, air movement, and radiant heat • Black Globe Temperature (TG) monitors the effects of direct solar radiation on an exposed surface • Air Temperature (TA) plus Relative Humidity (RH) • Selectable units of °F and °C • In/Out Function displays the WBGT value with or without dire