Sper Scientific 800036 WBGT Heat Stress Meter - Manual (Page 9)

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LCD DISPLAY
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WBGT Wet Bulb Globe Temperature
A composite temperature used to estimate the effect of temperature,
humidity, wind chill, and solar radiation on humans.
TG Black Globe Temperature
Temperature as measured by a black globe thermometer, which
monitors the effects of direct solar radiation on an exposed surface.
This temperature is analogous to what you feel when standing in the
sun.
TA Air Temperature (Ta)
The standard temperature as normally referenced in weather
observations and forecasts.
No Display:
1. Ensure that you have pressed the SET button
for longer than 100mS.
2. Ensure that the batteries are in good condition,
have proper contact, and are in correct polarity.
When in doubt, replace the batteries. (Refer to
“Battery Replacement.”)
Display Disappeared:
1. If the low battery indicator displayed before the
display disappeared, replace the batteries.
(Refer to “Battery Replacement.”)
2. Disable the Automatic Power-Off function and
place the unit in Non-Sleep mode. (Refer to
“Non-Sleep Mode Selection.”)
TROUBLESHOOTING