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  2. Tracer-gas leak testing - Wikipedia

    en.wikipedia.org/wiki/Tracer-gas_leak_testing

    Sensitivity (leak rate in mbar l/s) Ultrasonics: 10 −1: Bubble test in water 10 −2: Pressure decay 10 −2: Vacuum decay 10 −2: Acoustic emission detectors: 10 −3: Bubble test in soapy water 10 −4: Gas-specific thermal conductivity detector 10 −5: Halogen detector 10 −5: Photoacoustic spectroscopy: 10 −6: Hydrogen sniffer 10 − ...

  3. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    Optimal detection distance varies and is influenced by camera lens size, resolution, field of view, thermal detection range and sensitivity, leak size, and other factors. The system's layers of filters and immunity to environmental elements, such as snow, ice, rain, fog and glare, contribute to false alarms reduction.

  4. Section 608 - Wikipedia

    en.wikipedia.org/wiki/Section_608

    If the leak is not to be repaired, there must be a plan to retire or retrofit the appliance within 30 days, to be completed within one year. [10] If more than a year is required, a report must be submitted, which must include: Estimated date(s) of completion; The type of process; The leak rate; Method to determine the leak; Full unit charge ...

  5. Minimum efficiency reporting value - Wikipedia

    en.wikipedia.org/wiki/Minimum_Efficiency...

    Minimum Efficiency Reporting Value, commonly known as MERV, is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and Air-Conditioning Engineers to report the effectiveness of air filters in more detail than other ratings.

  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. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. This type of device is important because there are many gases that can be harmful to organic life, such as humans or animals. Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion.

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