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Fluke's 77 Series III Multimeter is an industrial quality, all-around performance multimeter. Part replacements for the device range from simple to moderately complex, depending on the problem.

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Is my fluke 77 blown?

I tested an electric fence with my Fluke 77 series II. Bad idea. Now I can't read AC/DC voltage or amperage, or resistance. I've replaced the fuse. I'd appreciate any assistance.

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I've inadvertently 'stressed' tested a few multimeters over the years. Replacing blown fuses always corrects my mistakes. Did you check the fuse again? Is the battery good, connected correctly (polarity)?


@tlampros what type of fence and how did you (unsuccessfully) test it?


I've replaced the fuse, so the unit is back on, but it is not reading V,A or ohms.

I connected the positive to the fence and put the negative in the ground. I'm pretty sure it was set on Vdc.

I replaced the battery, but I'm still getting the battery indicator on the screen. I'll try a newer battery.


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@tlampros I guess the good thing that even for a meter there are manuals :-). Start off with the flowchart as designed by Fluke

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After that, download 77 Series III and see if you can find out what happened to your meter. Looks like U1 could be the issue

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Tom Lampros será eternamente grato(a).
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