8-channel ultrasonic measurement apparatus (UMA) 'SKARUCH-UW1' is designed for scanning detection of flaws in welded joints and the base metal of underwater pipelines sections 508-1420 x 7-40 mm with diving depth up to 60 m. The apparatus operates in the 16-stroke mode. Every stroke implements a preset testing scheme. Each stroke has the following parameters preset according to the requirements of the current regulatory document: the gate location and duration (subject to the thickness tested and the distance to the seam); amplitude thresholds for registration of a flaw and determination of its dimensions by section. On each millimeter of the scanned distance, amplitudes are registered by the electronic unit in all the 16 strokes, which are thereupon transferred to the computer for further processing. The test results are displayed on the screen of the computer in real-time mode and also on the underwater remote monitor. If required, the test results can be printed out with a printer connected to the computer. The quality of the entire welding joint is assessed according to the regulatory documents. The apparatus also makes it possible to perform thickness metering and flaw detection in the tested base metal through scanning with acoustic units.


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    Title :

    Underwater ultrasonic pipeline measurement apparatus "SKARUCH-UW1"


    Additional title:

    Unterwasser-Ultraschall-Pipelinemessgerät 'SKARUCH-UW1'


    Contributors:


    Publication date :

    2010


    Size :

    4 Seiten, 5 Bilder


    Remarks:

    (nicht paginiert)


    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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