(2) In cold, dry weather, the window may receive a static charge that
will deflect the pointer and cause a false reading. Breathe on the window to
remove the static charge before taking light readings.
c. In desert regions protect meter from dust, extreme heat and sudden
temperature changes.
Always enclose the meter in its case when it is not
actually in use and store in a cool place.
(1) Never leave the meter exposed to the direct rays of the sun.
(2) Temperatures of 125 degrees Fahrenheit and over may cause permanent
damage to the light-sensitive area or to the photoelectric cell.
d. In the tropics, follow light meter readings exactly because tropical
sunlight, although extremely bright, may have less effect than weaker sunlight
of the moderate temperature zones.
(1) Shield exposure meter from extreme heat at all times and store it in
a cool, dry, well-ventilated place when not in use.
(2) Clean
frequently
to
prevent
corrosion
caused
by
high
relative
humidity.
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