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For portable, outdoor and automotive electronics are dust test requirements, in the international, whether IEC, MIL or ETSI and SAE have developed the corresponding test requirements.

IEC / EN60529 dust is divided into seven grades (grade 0 ~ grade 6), dust level (e.g. IP5X-dust level 5)
    Level 0: No dust protection
    Level 1: protects foreign matter larger than 50 mm from falling into the equipment
    Level 2: protects foreign objects larger than 12.5 mm in diameter from falling into the equipment
    Level 3: protects foreign objects larger than 2.5 mm in diameter from falling into the equipment
    Level 4: protects foreign matter larger than 1.00 mm from falling into the equipment
    Level 5: can not completely prevent the dust into, but the amount of dust into the equipment should not affect the normal operation, shall not affect the safety
    Level 6: Fully dustproof

For portable, outdoor and automotive electronics are waterproof test requirements, in the international, whether IEC, MIL or ETSI and SAE have developed the corresponding test requirements.

IEC / EN60529 Waterproof is divided into nine grades (grade 0 to grade 8), waterproof grade (e.g. IPX4 - waterproof rating 4):
    Level 0: completely waterproof without protection
    Level 1: Vertical drip should be free from harmful effects
    Level 2: Vertical dripping should have no harmful effects when the vertical faces of the housing are tilted in the range of 15 °
    Level 3: the vertical surface of 60 ° range of water, no harmful effects
    Level 4: splash water in all directions to the shell without harmful effects
    Level 5: No harmful effects on water spray in all directions
    Level 6: Strongly sprayed in all directions to the shell without harmful effects
    Level 7: Immersed in the specified pressure of water after a specified time after the shell into the water does not reach the degree of harmfulness
    Level 8: according to the conditions agreed by both the manufacturer and the user (should be more severe than the Level 7) continued diving after the shell water does not reach the degree of harmful

 

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