Unit simple, sensitive, rugged, and reliable. Diaphragmless microphone detects leaks from small boiler tubes. Porous plug retains carbon granules in tube while allowing pressure changes to penetrate to granules. Has greater life expectancy than previous controllers and used in variety of hot corrosive atmospheres.


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    Title :

    Microphone Detects Boiler-Tube Leaks


    Contributors:

    Published in:

    Publication date :

    1985-04-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Laser-generated acoustic emission detects gas leaks

    British Library Online Contents | 1998



    Laser Schlieren System Detects Sounds Of Leaks

    Shakkottai, Parthasarathy P. / Alwar, A. Vijayaragavan | NTRS | 1990