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  2. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. 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 ...

  3. Explosive gas leak detector - Wikipedia

    en.wikipedia.org/wiki/Explosive_gas_leak_detector

    A detector for propane is best placed down low near the floor, as propane is heavier than air. [3] A detector for natural gas (city gas) is best placed up high, near the ceiling. [3] Some detectors can detect both natural gas or propane, but this requires a compromise location. [4]

  4. Tracer-gas leak testing - Wikipedia

    en.wikipedia.org/wiki/Tracer-gas_leak_testing

    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 ...

  5. Carbon monoxide detector - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide_detector

    A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas to prevent carbon monoxide poisoning. In the late 1990s, Underwriters Laboratories changed the definition of a single station CO detector with a sound device to carbon monoxide (CO) alarm. This applies to all CO safety alarms that ...

  6. Gas leak - Wikipedia

    en.wikipedia.org/wiki/Gas_leak

    Gas leak. Unintended escape of gas from a pipeline or other containment. A gas leak refers to a leak of natural gas or another gaseous product from a pipeline or other containment into any area where the gas should not be present. Gas leaks can be hazardous to health as well as the environment. Even a small leak into a building or other ...

  7. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    Gas pipelines are almost always in transient conditions, because gases are very compressible. Even in liquid pipelines, transient effects cannot be disregarded most of the time. LDS should allow for detection of leaks for both conditions to provide leak detection during the entire operating time of the pipeline.