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FLUKE 179 problems

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    #21
    Re: FLUKE 179 problems

    Originally posted by bwilliams60 View Post
    I started tracing the circuit from the beginning and found a bad connection between the inductor and the board.
    Just like I referenced in post #16. The measured value of the inductor is also in that thread in post #16 as measured my Modemhead.
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      #22
      Re: FLUKE 179 problems

      Originally posted by bwilliams60 View Post
      I am going to compare it to a couple of other meters just to see how they compare but we are further ahead today then we were yesterday
      Calibration will likely be within specification +/- 1 count. They can take a lot of abuse and still be within spec.
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        #23
        Re: FLUKE 179 problems

        Thank you to Redwire and Retiredcaps for your help. It was indeed because of that article that I took a closer look. I also noticed on one of the pics I snapped, that the connection didn't look good but I put it off to lighting at first. When I finally checked the pathway, it all made sense. So I took a pick and easily pulled the inductor off the board. I will try it for the next few days before I am convinced that is all there is. For now, a sigh of relief. Simple fixes are best

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          #24
          Re: FLUKE 179 problems

          I was given a Fluke 187 which didn't seem to work correctly, turned out to be the input jacks, they were cracked at the PCB, but you couldn't easily see it, replacing the whole jack assay fixed the meter and it passed calibration

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            #25
            Re: FLUKE 179 problems

            Originally posted by stj View Post
            there is a "supercap" in some fluke meters that leaks - check that out.
            I think that was on the 289 / 287. The 179 doesn't have any memory etc...

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              #26
              Re: FLUKE 179 problems

              Originally posted by CapLeaker View Post
              I think that was on the 289 / 287. The 179 doesn't have any memory etc...
              Here is the very long thread at eevblog.

              https://www.eevblog.com/forum/testge...unt-coin-cell/
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                #27
                Re: FLUKE 179 problems

                Originally posted by jondoe View Post
                I was given a Fluke 187 which didn't seem to work correctly, turned out to be the input jacks, they were cracked at the PCB, but you couldn't easily see it, replacing the whole jack assay fixed the meter and it passed calibration
                Yes, we have seen bad input jacks over time. See

                http://mrmodemhead.com/blog/fluke-80...embly-rebuild/

                The 187 is one of my favourite meters.
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                  #28
                  Re: FLUKE 179 problems

                  Originally posted by retiredcaps View Post
                  Here is the very long thread at eevblog.

                  https://www.eevblog.com/forum/testge...unt-coin-cell/
                  Thanks retiredcaps!

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