Precautions Regarding The Dust-Resistance And Water-Proofing Functions - Hitachi WR 18DBDL2 Manual De Instrucciones

PRECAUTIONS REGARDING THE DUST-RESISTANCE AND WATER-PROOFING
FUNCTIONS
This product conforms to IP56 protection class ratings (dust-resistance and water-proofi ng) for electrical equipment as
stipulated by the international IEC regulations. (Only the main unit conforms to the IP56 protection class ratings when
equipped with a battery.)
[Descriptions of IP Codes]
IP56
Protection rating for water penetration
Must be no adverse eff ects on the equipment when sprayed with powerful jets of water from all directions
(water-proofed).
(100 L of water per minute sprayed for approximately three minutes from a distance of approximately three
meters with the use of a spray nozzle with a diameter of 12.5 mm.)
Protection rating for external assault by solid objects
Dust that may cause adverse eff ects on the equipment must not be able to enter (dust-resistance).
(The equipment to be left non-operable in a test chamber in which particles of talcum powder with a diameter
of less than 75 μm are fl oating in the air with the use of an agitation pump at a rate of 2 kg per cubic meter for
eight hours.)
The equipment has been designed to withstand the eff ects of dust and water, but there is no guarantee that it will not
malfunction. Do not use or leave the equipment in locations where it is subject to excessive amounts of dust, or in
locations where it is submerged in water or subject to rainwater.
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