Pressure decay / differential pressure
Dry, readily automated and suitable for threshold decisions. Temperature, stabilization, volume changes and fixture leakage affect the result.
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Which leak-testing method suits your component?
Answer five brief questions. The tool ranks suitable methods, explains its selection and identifies data to validate before procurement.
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Your initial technical selection
Classification
Fundamental differences between methods
Flow measurement
Direct gas or liquid flow through a defined path. Particularly plausible for channels and known flow paths.
Tracer gas
Helium or forming gas provides high sensitivity and, with a probe or chamber, quantification or localization. Control complexity and carryover.
Bubble testing
Simple and visible for larger leaks and localization. Consider wetting, observer dependence and limited quantification.