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From: Leon Fisk <lfiskgr@gmail.invalid>
Newsgroups: rec.crafts.metalworking
Subject: Re: Arduino + MCP9600 + thermocouple help needed
Date: Tue, 19 Mar 2024 14:21:17 -0400
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On Tue, 19 Mar 2024 12:37:42 -0400
"Jim Wilkins" <muratlanne@gmail.com> wrote:

<snip>
>I have a Fluke 8060A DMM whose self-test (REL while power-on) reports bad=
=20
>switches, though sometimes it works after spray cleaning. I don't dare tou=
ch=20
>those switches with an iron.

Never used one of those but I saw them in other techs kits now and
then.

Per manual here: https://assets.fluke.com/manuals/8060a_3vimeng0200.pdf

Those look like the same kinda switch as what is in the 8010A. I had
very little success cleaning that style with any spray in radio
equipment. Best bet was replacement but they were usually ganged
together as a multi-switch block. Crap load of solder joints to try and
get loose all to once=F0=9F=98=AC

Really tedious but you could pull the retaining clips off the inner
plastic plunger and carefully pull them out along with the
metal contact strips. Use an eraser on those strips and similar on the
standing pins inside the shell they contacted with. Some silicone
grease used sparingly on the interlock bars...

--=20
Leon Fisk
Grand Rapids  MI