Three Requirements for Automotive Connector Sealing Tests

1. Sealing test: Requirements in the vacuum state or positive pressure state will test the connector's sealing, generally required in the 10kpa to 50kpa positive or negative pressure, the use of fixtures to seal the product after the airtightness test. The leakage rate of the tested product does not exceed 1cc/min or 0.5cc/min for those who require higher requirements, which is a qualified product. 2.
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 requirements can be adjusted to obtain the proportion of the vacuum degree.
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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