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Studying the case protection level of the content of the following content of electrical equipment :
1. Prevent the human body from approaching the internal risk parts of the shell;
2. Prevent solid foreign objects from entering the shell parts;
3. Preventing harmful effects on the device due to water into the shell.
The environmental conditions of waterproof and dustproof test:
Temperature range: 15 ℃ ~ 35 ℃;
Relative humidity: 25%~ 75%;
Atmospheric pressure: 86kpa ~ 106kPa (860MBAR ~ 1060MBAR).
Product introduction:
Test box It is suitable for external lighting and signal devices and car lamp shell protection. It can provide realistic simulation electronic products and its components that may receive water and spray tests that may receive during transportation and use. Various environments.
Scope of application:
Dripping test box It is suitable for external lighting and signal devices and car lamp shell protection, which can provide realistic simulation electronic products and various environments that may receive water and spray tests that may receive during transportation and use during transportation and use. To achieve waterproof performance of various products.
Applicable standards: IEC/EN 60529
IEC/EN60529 Waterproof is divided into 9 levels (level 0 ~ grade 8), waterproof grade (E.G. IPX4-
Waterproof level 4): 
Level 0 0 : Complete waterproof and non -protection
Level 1: The dripping of water in the vertical direction should have no harmful effect
Level 2: The vertical surface of the shell is 15 ° at 15 ° When tilted within the range, vertical dripping should have no harmful effect level 3: eachPermailing water in a vertical surface 60 °, no harmful effect Level 4: splashing water in all directions of the shell has no harmful effect
level 5: spray water in all directions of the shell, no harmful effects level 6: to the shell: to the shell:There is no harm of water spraying in all directions Level 7: The amount of water intake in the water that is immersed in the prescribed pressure is not harmful after the specified time
Level 8: According to the conditions agreed by the manufacturer and the user (should be compared with Level 7Strict) The amount of water inlet in the shell is not harmful after continuous diving
Level 9: High -pressure test
