Modified drafting compass well suited to measurement of length of crack or width of area stained by penetrant-dye-inspection method. Equipped with any of variety of standard curved or straight pointed tips. Modification consists in coating tips with dye that fluoresces light pink under same ultraviolet inspection light causing penetrant dye to fluoresce yellow green. Used in locations inaccessible to conventional fluorescent comparator. Eliminates errors of optical distortion in comparator, also eliminates errors of interpolation.


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    Title :

    Penetrant-Indication-Measuring Compass


    Contributors:

    Published in:

    Publication date :

    1991-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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