Extech HT30 Data Sheet
Ordering Information:
HT30 ..............Heat Stress WBGT Meter
407752 ..........PC software and cable
Specifications subject to change without notice.
Copyright © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
www.extech.com
6/19/08 - 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 solarradiation on an exposed surface
• Air Temperature (TA) plus Relative Humidity (RH)
• Selectable units of °F and °C
• In/Out Function displays the WGBT 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) -22 to 1022°F (-30 to 550°C) ±4°F/2°C
Air Temperature (TA) 32 to 122°ºF (0 to 50ºC) ±1.1°F/0.6°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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