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fluke 87 -111 dvm

Discussion in 'General Electronics Discussion' started by mike30, Jan 2, 2012.

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  1. mike30

    mike30

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    Jan 2, 2012
    Can anybody help by anwsering this query : my dvm is working ok but has developed an
    annoying clicking sound whilst being used. occaisionally it will stop only to return. I have
    changed the battery and both internal fuses to no avail. has any one had the same problem. please e-mail direct if desired.

    kind regards,
    mike.

    Further findings : the loudish and irritating clicking synchronous sound is with the very small pos.& neg. icons shown by the side of the bar graph alternating at the same frequency. Somehow the problem seems to be tied in with the sampling bar graph, as it is prevalent during AC & DC voltage tests along with diode & resistance tests.

    Any ideas.
    Kind regards,
    Mike....
     
    Last edited: Jan 3, 2012
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