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  2. Tracer-gas leak testing - Wikipedia

    en.wikipedia.org/wiki/Tracer-gas_leak_testing

    A tracer-gas leak testing method is a nondestructive testing method that detects gas leaks.A variety of methods with different sensitivities exist. Tracer-gas leak testing is used in the petrochemical industry, the automotive industry, the construction industry [1] and in the manufacture of semiconductors, among other uses.

  3. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    Methods of detection include hydrostatic testing, tracer-gas leak testing, infrared, laser technology, and acoustic or sonar technologies. Some technologies are used only during initial pipeline installation and commissioning, while other technologies can be used for continuous monitoring during service.

  4. Helium mass spectrometer - Wikipedia

    en.wikipedia.org/wiki/Helium_mass_spectrometer

    In contrast to the Helium charged sniffer test, the partial vacuum method, the ultra sniffer test gas method (UST-method) uses the partial vacuum effect, so that the gas tightness of test sample can be detected at normal pressure with the same sensitivity as the helium charged vacuum test with helium gas helium. The method has a sensitivity of ...

  5. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    Gas leak detection is the process of identifying potentially hazardous ... Gas leak detection methods became a concern after the effects of harmful gases on human ...

  6. Nondestructive testing - Wikipedia

    en.wikipedia.org/wiki/Nondestructive_testing

    Leak testing (LT) or Leak detection. Hydrostatic test; Absolute pressure leak testing (pressure change) Bubble testing; Halogen diode leak testing; Hydrogen leak testing; Mass spectrometer leak testing; Tracer-gas leak testing method for helium, hydrogen and refrigerant gases; Machine vision based automatic inspection

  7. Hydrogen leak testing - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_leak_testing

    Hydrogen leak testing is the normal way in which a hydrogen pressure vessel or installation is checked for leaks or flaws. This usually involves charging hydrogen as a tracer gas into the device undergoing testing, with any leaking gas detected by hydrogen sensors. [1] Various test mechanisms have been devised.

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