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  2. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    The primary purpose of leak detection systems (LDS) is to help pipeline controllers to detect and localize leaks. LDS provide alarms and display other related data to the pipeline controllers to assist decision-making. Pipeline leak detection systems can also enhance productivity and system reliability thanks to reduced downtime and inspection ...

  3. Water detector - Wikipedia

    en.wikipedia.org/wiki/Water_detector

    Electronic components used to make a simple water detector: battery, resistor, transistor, water sensor and piezoelectric buzzer for audible alert A water detector is an electronic device that is designed to detect the presence of water for purposes such as to provide an alert in time to allow the prevention of water leakage.

  4. Leak noise correlator - Wikipedia

    en.wikipedia.org/wiki/Leak_noise_correlator

    A leak noise correlator is an electronic device used for Leak Detection and as a leak locator to find leaks in pressurized water or gas lines.. Typically, microphones or acoustic sound sensors are placed in contact with the pipe, at two or more points, to record the sound emitted by a leak (e.g. a hissing noise) somewhere between the points.

  5. Electrical liner integrity survey - Wikipedia

    en.wikipedia.org/wiki/Electrical_liner_integrity...

    Since the arc testing method is not dependent on water making good contact through the leak, it is more sensitive and comparatively easy to perform in most types of liner construction (ponds, Landfills, tanks etc.)than the water-based methods. The minimum sensitivity of the arc testing bare geomembrane liner integrity method is a pinhole leak.

  6. Pigging - Wikipedia

    en.wikipedia.org/wiki/Pigging

    An ultrasonic leak-detection pig. A cleaning pig for a 150-millimetre (6 in) oil pipeline. The wire brush encircles the shaft and scours the interior of the pipeline. A scraper pig shown at the Trans-Alaska Pipeline System Visitors Center

  7. Guided wave testing - Wikipedia

    en.wikipedia.org/wiki/Guided_wave_testing

    The equipment operates in a pulse-echo configuration where the array of transducers is used for both the excitation and detection of the signals. At a location where there is a change of cross-section or a change in local stiffness of the pipe, an echo is generated.

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