Hioki 3285-20, Instruction Manual, Page: 17 / 85

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Operating Precautions
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CAUTION
To avoid damage to the instrument, protect it from
physical shock when transporting and handling. Be
especially careful to avoid physical shock from
dropping.
Do not exert excessive pressure on the clamp
sensor or attempt to wedge the sensor into a tight
spot for measurement.
The protection rating for the enclosure of this
device (based on EN60529) is *IP40.
*IP40:
This indicates the degree of protection provided by
the enclosure of the device against use in
hazardous locations, entry of solid foreign objects,
and the ingress of water.
4: Protected against access to hazardous parts
with wire measuring 1.0 mm in diameter. The
equipment inside the enclosure is protected
against entry by solid foreign objects larger than
1.0 mm in diameter.
0: The equipment inside the enclosure is not
protected against the harmful effects of water.