As we all know, the importance of car lights to night driving safety is just like human eyes, which provide directions for driving and illuminate the road.Clarity ensures driving safety.Therefore, all car lights must pass on the production line.Seal detectordetection.

Generally, the seal detection of car lights is divided into two parts: 

（1) Method of using positive pressure detection: the accuracy of the selected detector should be within1pa, and the selection of the maximum range is best controlled within1-2KpaLeftRight, not too big.Then by injecting pressure into the sealing cavity of the car light,30KPaDry pure air is tested. If the detected leakageThe leakage change is in30paIf it is within the limit, it will be deemed as qualified, otherwise it will be considered as unqualified.

（2) After completing the positive pressure test, another test must be done: negative pressure test.After inflating, stabilizing and testing, after the testing is completed, theThe deflation process required by the body is directly converted into the first step of negative pressure extraction, saving about5seconds, and then measure the negative pressure by flow method or differential pressure method.Air tightness data under pressure conditions, commonly used negative pressure is set at-20KpaThe air pressure before testing, the leakage amount does not exceed20pa。

Hai Ruisi's automotive headlight seal detector integrates barcode scanning function and remote control function.The detection accuracy can reach0.1pa,Maximum detection pressureLi Keda700KPA, and may also be used for negative pressure detection.Because Hai Ruisi's leak detection equipment has a very small internal space(1.5cc),can be extremelyThe stability of detection is guaranteed to the maximum extent.This sealing test instrument is equipped with an imported pressure sensor, so the quality is well guaranteed and the after-sales service is worry-free.