Pressure-gage calibration, mass-spectrometer leak detector measures leakage rates up to 300 times greater than its normal limit. Approach utilizes constant-volume displacement characteristic of mechanical vacuum pump. Vacuum system must be small for calibration measurement validity and reduction of outgassing.


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    Title :

    Extending the range of leak detectors


    Contributors:
    Burr, M. E. (author)

    Published in:

    Publication date :

    1979-08-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Improved Portable Ultrasonic Leak Detectors

    Youngquist, Robert C. / Moerk, John S. / Haskell, William D. et al. | NTRS | 1995