How to classify the waterproof grade of USB waterproof connector?

Now the electronic products sold on the market, whether it is an electronic smart watch or smart phone, have a waterproof grade, some of this is not particularly familiar with the partners will ask, electronic products waterproof grade is how to divide it? Below we will give you a detailed introduction to this issue. USB waterproof connector, means that the connector is applied to the environment with water can still work normally. So how to see the USB waterproof connector waterproof grade? Today, Huicheng yuan electronic to share with you! Bit number marking the level of protection against solids 0: no protection against external people or objects without special protection 1: to prevent > 50mm of solid objects into the equivalent of the length of the human palm 2: to prevent > 12mm of solid objects into the equivalent of the length of the human finger 3: to prevent > 2.5mm of solid objects into the equivalent of a wire or other tools greater than 2.5mm 4: to prevent > 1.0mm of solid objects into the prevent greater than 1.0mm Prevents >1.0mm solid objects from intruding into the appliance5: Dustproof completely prevents the intrusion of foreign objects, and the amount of dust intruded into the appliance will not affect the normal operation of the appliance6: Dustproof completely prevents the intrusion of foreign objects, and can be completely prevented from intruding into the dust The second digit indicates the level of protection against water0: No protectionNo protection1: Prevents dripping intrusion of vertical dripping drops will not have a harmful effect on the appliance. 2:Protected against dripping water even when tilted at 15°No effect if water drips into the housing when the appliance is tilted at 15°3:Protected against sprayed waterWater or rainwater from 60° corners onto the housingNo effect4:Protected against splashing waterProtected against damage caused by splashing water in all directionsProtected against damage caused by sprayed water in all directionsProtected against damage caused by sprayed water in all directionsProtected against damage caused by sprayed water in all directionsProtected against damage caused by heavy wavesProtected against damage caused by heavy wavesProtected against damage caused by heavy wavesProtected against damage caused by heavy wavesProtected against damage caused by heavy wavesProtected against damage caused by heavy waves Damage to deck-mounted appliances7:Protection against water intrusion during submersionThe appliance is immersed in water for a certain period of time or under a certain standardized water pressure, ensuring that the appliance will not be damaged due to water ingress.8:Protection against water intrusion during submersionThe appliance is immersed in water for an indefinite period of time and under a certain standardized water pressure, ensuring that the appliance will not be damaged due to water ingress.

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