How to divide the IP waterproof level of earphones

How to divide the IP waterproof level of headphones? The IP waterproof level can be divided into 8 levels. ​Waterproof Wired Earphones，Let's see how these 8 levels are distinguished?


IPX1: stands for vertical dripping, dripping in the vertical direction has no effect, the water flow is 1mm/min, and the test is 10min. IPX2: 15 degrees of water dripping, when the vertical surfaces of the housing are inclined within 15 degrees, the vertical dripping water should have no harmful effect, the water flow is 3mm/min, and each inclined position is 2.5min.


IPX3: Each vertical surface is exposed to rain within a range of 60 degrees, without harmful effects, the water flow is 10L/min, and the test time is 10min. IPX4: splashing water, splashing water in all directions of the casing has no effect, each vertical surface is exposed to rain within a range of 180 degrees, the water flow is 10L/min, and the test time is 10min.


IPX5: water spray, no effect on the shell in all directions, the water flow is 12.5L/min, and the test time is 3 minutes. IPX6: Strong water spray, no harmful effect to the shell in all directions, the water flow is 100L/min, and the test time is 3min.


IPX7: Immersion in water for a short time, immersed in water with specified pressure and the amount of water immersion in the shell will not reach a harmful level after a specified time, placed in a diving box, the general depth is 1 meter, and the test time is 30 minutes.


IPX8: Continuous immersion, the depth and time of immersion are negotiated between the manufacturer and the user.



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