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Fluke
Forum Problem with old Fluke Scopemeter
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Forum Thread Details
  • Replies 22 replies
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  • fluke scopemeter
  • fluke 123
Related

Problem with old Fluke Scopemeter

mudz
mudz over 5 years ago

Today, I received my most awaited thing of this year... After a long long journey it finally reach me.. Hehe ..  enough with suspense talk..

Few months ago like 5 months.. I bid for a scopemeter on ebay. This was the first time I did bidding thing. Okay, what stupid thing I did now...  Alright, Bidding shot up to almost double and I ended up buying this Fluke 123 Scopemeter which has a line on the display image  image

Now after being stuck to customs for almost four months due to no invoice, I finally got the parcel and paid 40% custom duty. image

This thing cost me fortune I could have purchased a nice 2 channel oscilloscope. Stupid me.. (probably till now shabaz will be thinking, this guy is idiot I warned him many times before but he doesn't even listen).. image

Now, this meter is not turning on, I believe after 5 months of no activity battery is probably dead. So I thought to charge it first. There is always a but.. When I checked its adaptors output voltage it is 22.3 volts when it should be 15 volts.
imageimageimage

 

Anyone already has this scopemeter? Should I charge it with it? ebay sender told me it was working when he send me the item, but did not about voltages.




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Top Replies

  • Gough Lui
    Gough Lui over 5 years ago +6
    Is this a "heavy" wall-wart adapter? I suspect it might be a regular unregulated linear power supply. With old fashioned linear power supplies which are *unregulated*, the voltage will approximate the…
  • michaelkellett
    michaelkellett over 5 years ago +5
    You've got a modern flashy one ! Mine is a PM97 made by Philips (before Fluke bought the Scopemeter line from them). Don't know exactly how old but the calibration sticker is dated 2002 ! I haven't used…
  • michaelkellett
    michaelkellett over 5 years ago in reply to mudz +5
    Never used it much, and haven't for more than 15 years. It's just not good enough (50MHz, not much memory) for the kind of work I mainly do - so I often end carrying a bench scope about. Got it from where…
Parents
  • fmilburn
    fmilburn over 5 years ago

    You may be aware of this but there a couple of videos by Dave Jones where he repairs the "zebra" strip that can cause lines to not display on a LCD.  Here is one of the videos: https://www.bing.com/videos/search?q=eevblog+lcd+repair&view=detail&mid=44F6F479982EBE0FB0B044F6F479982EBE0FB0B0&FORM=VI…

     

    In this video he refers to repair of Fluke handheld scope so you might look for that one.

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  • fmilburn
    fmilburn over 5 years ago

    You may be aware of this but there a couple of videos by Dave Jones where he repairs the "zebra" strip that can cause lines to not display on a LCD.  Here is one of the videos: https://www.bing.com/videos/search?q=eevblog+lcd+repair&view=detail&mid=44F6F479982EBE0FB0B044F6F479982EBE0FB0B0&FORM=VI…

     

    In this video he refers to repair of Fluke handheld scope so you might look for that one.

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  • mudz
    mudz over 5 years ago in reply to fmilburn

    Hi fmilburn, I am aware of this problem and this is common problem with this type of meters, I knew it can be repaired that is why I purchased this meter. This problem is due to soldering joints between pcb and lcd cable. I was only hoping for seller did not have already tried to do this repair and did not make a mess inside it.
    So I'll be opening it soon after resolving this battery problem I'm currently facing.

    Thanks for the link.

    image


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  • Robert Peter Oakes
    Robert Peter Oakes over 5 years ago in reply to mudz

    probably no soldering needed, just resetting the zebra strips if your lucky

    Zebra strips use physical contact only with a little pressure. they are not soldered to the LCD or PCB

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