Manufacturing capability
Helium Leak Testing
Helium leak testing is a sensitive inspection method used to detect and quantify leakage through sealed components and assemblies. It is commonly applied to vacuum equipment, heat exchangers, valves, hermetic enclosures, and precision industrial systems requiring controlled leak-tightness.
Related process: Testing & Validation
Manufacturing overview
Helium leak testing uses helium as a tracer gas and a suitable mass spectrometer leak detector to identify leakage.
Common methods include vacuum testing, helium spray testing, and pressurized or accumulation-based techniques.
Typical applications include vacuum chambers, sealed electronic enclosures, valves, heat exchangers, and high-integrity fluid systems.
Helium is useful as a tracer because it is inert under normal test conditions and can be detected at very low concentrations.
The appropriate method depends on component geometry, test pressure, internal volume, accessibility, and required leak rate.
Buyers should specify the maximum permissible leak rate, measurement units, test method, pressure conditions, quantity, and applicable standard.
Results may be reported in units such as mbar·L/s or Pa·m³/s, with clearly defined reference conditions.
Quality documentation should include test conditions, instrument calibration, measured leak rate, and acceptance status.
Metraxio supports helium leak testing RFQs for precision sealed components and industrial assemblies.