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What means IP46 from the Lithium Ion chargers
Lithium Ion battery charger IPxx dust and water level:
Dust level (first X)
0: no protection;
1: prevent large solid invasive;
2: prevent the ingress of medium-size solid;
3: prevent the ingress of the small solid;
4: prevent objects greater than 1mm solid into;
5: prevent the accumulation of harmful dust;
6: completely prevent dust from entering;
Waterproof level (X)
0: no protection;
1: water droplets trickle into the shell had no effect;
2: when the housing tilted to 15 degrees, the water droplets trickle to the housing no effect;
3: water or rain water from the 60-degree corner to no effect on the housing;
4: Liquid splashed from any direction to the shell not hurt to influence;
5: wash with water without any harm;
6: for cabin environment;
7: in a short period of time resistance to water immersion (1m);
8: At a certain pressure for a long time immersion in water;
IP46 means dustproof level 4 and waterproof level 6, is to prevent objects greater than 1mm solid into the environment and can be used inside the cabin.
Dust level (first X)
0: no protection;
1: prevent large solid invasive;
2: prevent the ingress of medium-size solid;
3: prevent the ingress of the small solid;
4: prevent objects greater than 1mm solid into;
5: prevent the accumulation of harmful dust;
6: completely prevent dust from entering;
Waterproof level (X)
0: no protection;
1: water droplets trickle into the shell had no effect;
2: when the housing tilted to 15 degrees, the water droplets trickle to the housing no effect;
3: water or rain water from the 60-degree corner to no effect on the housing;
4: Liquid splashed from any direction to the shell not hurt to influence;
5: wash with water without any harm;
6: for cabin environment;
7: in a short period of time resistance to water immersion (1m);
8: At a certain pressure for a long time immersion in water;
IP46 means dustproof level 4 and waterproof level 6, is to prevent objects greater than 1mm solid into the environment and can be used inside the cabin.