Weatherproof: IEC Standard publication 529.
Classification of degrees of protection provided
by enclosures. Degree of protection indicated by
second characteristics numeral 4.
Short description: Protected against splashing water.
Definition: Water splashed against enclosure from any
direction shall have no harmful effect.
Test for second numeral 4: Equipment is sprayed from
all practical directions. Water pressure is
adjusted to give delivery rate of 10 lit./min. Test
duration shall be 1 min. per m
2
of calculated
surface area of enclosure with minimum duration
of 5 min.
Power source: 3 V lithium battery (DL123A/CR123A)
Dimensions: 120 (W) x 64 (H) x 49 (D) mm
(4.7 x 2.5 x 1.9 in) (without grip and other
protrusions).
Weight: 255 g (9.0 oz) (without battery)
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