Fundamentals of Leak Detection

Considerations and challenges of finding leaks and measuring leak rate. Technologies including bubble-testing and pressure decay are compared to helium mass spectrometer leak detection. Equipment, set-up, and process costs and methods are reviewed and compared.
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[@tldcollins]

A great presentation. Thanks. There is a related leak-detection method to the visual methods mentioned, where a solvent like acetone can be applied in small amounts to vacuum seals or joints. The solvent ingress will cause a spike in the internal pressure, which you can read using standard vacuum gauges. I don't advise using this on rubber o-ring seals as the solvent might damage the seal, and you have to be careful not to get the solvent on nearby cables or hoses! However, on con-flat (with a soft-metal seal) this is a very easy (and cheap!) way to find a leak. Excessive use of this technique can cause your Inverted Mag "Penning" gauges to need cleaning... :)

[@Akash1985]

Excellent presentation

[@lalitkvsaini5444]

Can you share This PPT ...

[@ezequieladriano9896]

Please. Enable the option to view subtitles. Thanks,