iPulse iPB4, User Manual

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iPB4 Biometric Device Range – Installation & User Guide – Rev 07 ©2017-2018 iPulse Systems
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APPENDIX A
UNDERSTANDING IP RATINGS
First Digit: Protection against Solids
Level Protection Against Description
0 ----- No Protection
1 Solid objects > 50 mm
Back of a hand; no protection against deliberate contact
with a body part
2 Solid objects > 12.5 mm Fingers or similar objects
3 Solid objects > 2.5 mm Tools, thick wires, etc.
4 Solid objects > 1 mm Most wires, screws, etc.
5 Dust Protected
Ingress of dust not entirely prevented, but does not
interfere with operation of the equipment
6 Dust Tight No ingress of dust, complete protection against contact
Second Digit: Protection against Water
Level Protection Against Description
0 ----- No Protection
1 Dripping water Vertically falling drops have no harmful effect
2
Dripping water when tilted up to
15°
Vertically falling drops have no harmful effect when
enclosure is tilted at an angle up to 15° from its normal
position
3 Spraying water
Water falling as a spray at any angle up to 60° from the
vertical has no harmful effect
4 Splashing Water
Water splashing against the enclosure from any direction
has no harmful effect
5 Water Jets
Water projected by a nozzle against enclosure has no
harmful effect
6 Powerful Water Jets
Water projected in powerful jets against enclosure has
no harmful effect
7 Immersion up to 1m
Ingress of water in harmful quantity when enclosure is
immersed in water (up to 1 m of submersion)
8 Immersion beyond 1m
Depends on the specification of the manufacturer.
Equipment may be hermetically sealed or it means that a
certain amount of water can enter the enclosure without
harmful effects