IP waterproof grade detailed division
The following waterproof grade reference standards IEC60529, GB4208, GB/T10485-2007, DIN40050-9, ISO20653, ISO16750 and other international applicable standards:
range
The waterproofing test includes a second companion characteristic number of 1 to 8, that is, the protection grade code is IPX1 to IPX8
(1) IPX5
Method name: Water spray test
Test equipment: The inner diameter of the spray nozzle is 6.3mm
Test conditions: the distance between the test sample and the spray nozzle was 2.5~3m, and the water flow was 12.5L/min(750L/h).
Test time: 1min per square meter (not including installation area) and at least 3min according to the surface area of the shell of the sample tested.
(2) IPX6
Method name: intense water spray test;
Test equipment: the inner diameter of the spray nozzle of the nozzle is 12.5mm;
Test conditions: the distance between the test sample and the spray nozzle was 2.5 ~ 3m, and the water flow was 100L/min(6000L/h).
Test time: 1min per square meter (not including installation area) and at least 3min according to the surface area of the shell of the sample tested.
D=6.3mm waterproof protection grade 5 and 6K;
D=12.5mm waterproof protection level 6.
(3) IPX7
Method name: short time immersion test;
Test equipment: immersion tank.
Test conditions: The size should be such that after the sample is put into the water tank, the distance from the bottom of the sample to the water surface is at least 1m. The distance between the top of the sample and the water surface should be at least 0.15m. Test time :30min.
(4) IPX8
Method name: continuous diving test;
Test conditions and time of test equipment: to be agreed by the supply and demand (buyer and seller) parties. It should be harsher than IPX7.
(5) IPX9K
Method name: High-pressure injection test
Test equipment: the inner diameter of the spray nozzle of the nozzle is 12.5mm;
Test conditions: Spray Angle :0°, 30°, 60°, 90°(4 positions); Number of water holes :4; Sample station speed :5 ±1r.p.m. The distance is 100 ~ 150mm, 30 seconds for each position; The flow rate is 14 ~ 16 L/ min, and the spray pressure is 8000 ~
10000kPa and the water temperature is required to be 80±5℃
Test time: 30 seconds for each position ×4, 120 seconds in total.