SATO SK-150GT Instruction Manual page 7

⚫ Cautions in Measuring WBGT
The way to calculate WBGT Index differs due to its environment for measurement.
Make sure to set the proper measuring ambient of the instrument according to the actual
measuring environment.
① Press the POWER key to turn on.
② Select the WBGT mode by pressing the MODE/Up key.
③ Press the IN_OUT/NEXT key for longer than 2 seconds to select a measuring ambient.
 IN
: When measuring indoor or outdoor without direct sunlight
 OUT : When measuring outdoor with direct sunlight
CAUTION

Never use the instrument out of its operating ambient.

Never use the instrument out of its measuring range.

Abrupt change of ambient temperature can effect on the accuracy of the instrument.
Have the instrument fully adapt to measuring ambient without condensing before use.

Handle the globe with great care.
Damages on the globe or its finishing can have an effect on the measurement accuracy.
HOLD Function
When measurement values are unstable, use HOLD function is effective for easy reading.
① Press the HOLD key in the measurement mode.
HOLD indicator is lit and the measured value will be held.
② Press the HOLD key again to release the function.
HOLD indicator is off and the function will be released.
MAX/MIN Function
Maximum and minimum measurement values can be displayed while taking measurement.
① Press MN/MX/RST key in the measurement mode. The display changes cyclically.
② Press MN/MX/RST key for more than 2 seconds to reset the MIN/MAX values.
- The MIN/MAX values can be cleared by turning the power off.
- The MIN/MAX values are constantly updated in all modes, except for in HOLD mode.
[MIN] [MAX] [Measurement Mode]
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