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Fluke 8060A Somewhat Functional

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vindoline:
Check the input protection MOVs. They look like little colored resistors in the bottom right of the PCB. I have found that if the meter is briefly overloaded (easy to imagine in a broadcast setting) they increase in resistance and cause all kinds of weird and wonderful accuracy problems.

By the way, this meter is far and away my favorite model. I have several. No autoranging is great! I don't know how people can stand that little delay when using “modern” meters. Good luck!

vindoline:

--- Quote from: AVGresponding on May 10, 2024, 10:45:11 am ---PP3 battery clips are an abomination

--- End quote ---

Completely agree! And Fluke seems to have used cheaper ones than usual on the 8060A. I think I've had to replace them on every sample I've worked on.

Christine1953:
Hello Everyone! I think I'm struggling more with learning the SMF Forum software an I am with the meter I'm working on LOL! Other groups I belong to don't use it. So my apologies in advance if I mess things up from time to time! I'm using the help section for guidance, but there is a small learning curve. Thank you for your understanding. C-

Christine1953:

--- Quote from: tautech on May 10, 2024, 12:47:08 am ---
--- Quote from: Christine1953 on May 09, 2024, 10:01:27 pm ---
--- Quote from: rodcastler on May 09, 2024, 11:57:24 am ---There's this thread that may help as well:
https://www.eevblog.com/forum/testgear/old-fluke-multimeters/

--- End quote ---
Thanks! It's a long thread with lots of history, but I'll work through it. Maybe I need to ping the designer personally! LOL

--- End quote ---
You might like to link this thread into the one member rodcastler brought your attention to.
Scroll to the top of page and copy the URL and paste it in a new post there, maybe with a wee mention about this thread. Don't use the first post link but the one higher up:
https://www.eevblog.com/forum/testgear/fluke-8060a-somewhat-functional/

In years to come as others are researching these DMM's it's helpful to have links to other threads.

--- End quote ---

I think I see what you are asking me to do. Combine this thread with the other one so all the associated information is in one place for someone who is having the same problem? If that's correct, great idea. The small problem I have at the moment is I'm still getting used to the SMF Forum format used here and I'm pretty gimpy, although the more I use it, the more it's making sense. If you can help a bit, I'll do it. I'm just pretty unsure of how it's done. Thanks!

Christine1953:

--- Quote from: vindoline on May 10, 2024, 11:27:16 am ---Check the input protection MOVs. They look like little colored resistors in the bottom right of the PCB. I have found that if the meter is briefly overloaded (easy to imagine in a broadcast setting) they increase in resistance and cause all kinds of weird and wonderful accuracy problems.

--- End quote ---
Are these guys the ones you're talking about in the protection circuit? I think I read something about when you're on the 200mv or 2v settings this circuit is bypassed??? Could we just jumper around the protection circuit to test? As I said in my last post, both the 200mv, and 2v sections are working correctly, at least with DC. As for checking the MOV's if they're good/bad, I'd have no idea how to do that.

To be honest, I've suspected something might be amiss here, as I remember another tech telling me the meter stopped working while he was poking around in the high voltage section of a CRT monitor.  The DOA part came right after as we were trying to figure out what happened to the meter. It just completely quit working. My guess it was two unrelated problems. Let me know your thoughts. Thanks!

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