Three Requirements for Automotive Connector Sealing Tests

1. sealing test: required in the vacuum state or positive pressure state will test the connector sealing, generally required in 10kpa to 50kpa positive or negative pressure, the use of fixtures on the product after sealing airtightness detection. The leakage rate of the tested product is not more than 1cc/min or 0.5cc/min for higher requirements, which is a qualified product.2. Pressure resistance test: The pressure resistance test is divided into negative pressure resistance test and positive pressure resistance test. The test requires the selected proportional adjustment valve group, from the initial pressure of 0 value according to a certain vacuum rate on the product for vacuum, vacuum time and vacuum obtained by the proportion of requirements can be adjusted. 3. rupture test (burst test): divided into negative pressure rupture test or positive pressure rupture test. Requirements for products in the vacuum or pressurized to a certain pressure range to instantaneous rupture, rupture pressure needs to be recorded. The test is difficult: airtightness tester to extract the negative pressure requirements to meet the second test requirements, the pressure rate can be adjusted, and the pressure burst to be completed within the set range, can not exceed the range.

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