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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

   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. A common design is a small cable or device that lies flat on a floor and relies on the electrical conductivity of water to decrease the resistance across two contacts.

4. Level sensor - Wikipedia

   en.wikipedia.org/wiki/Level_sensor

   The water-cooled mold is arranged with a source of radiation, such as cobalt-60 or caesium-137, on one side and a sensitive detector such as a scintillation counter on the other. As the level of molten steel rises in the mold, less of the gamma radiation is detected by the sensor.

5. 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.

6. Ultrasonic transducer - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_transducer

   Ultrasound can be used for measuring wind speed and direction (), tank or channel fluid level, and speed through air or water.For measuring speed or direction, a device uses multiple detectors and calculates the speed from the relative distances to particulates in the air or water.

7. Ultrasonic testing - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_testing

   The wet area is the ultrasonic couplant that allows the sound to pass into the pipe wall. Non-destructive testing of a swing shaft showing spline cracking In ultrasonic testing, an ultrasound transducer connected to a diagnostic machine is passed over the object being inspected.