According to the basic leak detection principle of helium leak detection, helium gas is used as the tracer gas, and helium gas is filled into the test piece in the vacuum chamber, and then the leakage of the test piece can be quickly and accurately detected by the helium leak detector.
It is used for testing the gas tightness of plastic expansion water tank, overflow kettle, overflow tank, plastic water tank, plastic water pipe and radiator water tank for automobile.