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- Cosmo - Helium Leak Tester
Cosmo - Helium Leak Tester
Helium leak testing uses helium as a tracer to detect tiny leaks quickly and reliably. This method is widely used for components such as EV batteries, fuel systems, heat exchangers, valves, and high-pressure vessels, where even tiny leaks can cause performance or safety issues.
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Why helium gas is used for leak test
- Only 5 ppm of helium gas exists in the atmosphere. It is less affected by the background of test environment
- Helium is safe inert gas without toxicity and explosiveness
- Because of its small molecule size, helium can penetrate through leaks easily
- It is almost not contained in the gas released from the tested part
Helium gas mixer and helium gas recycle machine are available to reduce the running cost. Please ask your nearest Cosmo office, if you are interested. We will provide the best solution, depending on the initial cost and running cost.