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Metex MS 2000 handy scope

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    Metex MS 2000 handy scope

    I have been given a metex ms 2000 handyscope to use for fault finding.

    It works but the 30 year old battery pack is no good, i have purchased the new correct batteries, tryed to put it all back together but couldnt get get continuity between the four 1.2v batteries, upon checking one of the components, a thermal fuse has blown i think.

    now the issue is that I dont know what the part is, how to work out what it is and were to buy the components.

    Im looking forward to getting it going so if anyone could help that would brilliant, and would certainly make my day

    Hope everyone is well.

    Chris 😊

    p.s. im not sure if this is right group for this post, if it isnt my apolpogies and could you direct me to proper group ?


    #2
    What is printed on the thermal fuse? RYxxx?
    probably a 10A rating. I guess the battery got too hot when charging.
    The colour bands is a temperature range. Yellow is around 90C or so. Where to buy? Look at Amazon, eBay, Mouser, Digikey etc.

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      #3
      I think the numbers have rubbed off it so i cant see any. If i look at the back of the meter will knowing its power raitng help or the charger spec ? thanks in advance

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        #4
        Found it its a 98c, now ive learned something about thermal fuses so nice one

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