There are two main types of waterproof test requirements for automotive electrical equipment products in China's automotive industry standards:
1. The product installed under the hood or exposed should be subjected to IPX4 splash-proof test for 10 minutes: swing tube method (bend radius R=400mm, center spacing of adjacent nozzles is 50mm, 180° arc on both sides of the center of the swing tube) There are nozzles in the section, each nozzle has a diameter of 0.4mm, a water flow rate of 10L/min, and a water pressure of 80KPa.)
2, products installed in the cab and passenger compartment and luggage compartment need to withstand 10min IPX3 anti-leaching test: swing tube method (bend radius R = 1000mm, the center spacing of two adjacent nozzles is 50mm, the center of the swing tube is on both sides There are nozzles in each 60° arc segment, each nozzle has a diameter of 0.4mm, a water flow rate of 10L/min, and a water pressure of 80KPa.)
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