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Helium mass spectrometer leak detector

Helium mass spectrometry leak detection is an indispensable technique in the field of vacuum leak testing. Owing to its high detection efficiency, simple and convenient operation, sensitive instrument response, high accuracy, and minimal susceptibility to interference from other gases, it has been widely adopted in leak testing for resistance furnaces.


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                   Helium mass spectrometry leak detection is an indispensable technique in the field of vacuum leak testing. Owing to its high detection efficiency, simple and convenient operation, sensitive instrument response, high accuracy, and minimal susceptibility to interference from other gases, it has found widespread application in leak testing of resistance furnaces. A helium mass spectrometer leak detector is a hermeticity-testing instrument that operates on the principles of mass spectrometry and uses helium as the tracer gas. It consists of a mass spectrometer chamber—comprising an ion source, analyzer, collector, and cold-cathode ionization gauge—along with a pumping system and electrical components.

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