Products > Test Equipment
Fluke 931B RMS differential voltmeter
tatel:
Hi, I got this Fluke 931B from Ebay. I just converted it to operate on 220 230V. Using a 200 mA fast fuse until I receive the correct 125 mA one.
It looks pretty near specification at first glance but:
1) Push to cal seems to do nothing? You can see a fast video here https://youtu.be/1rnkch9M4vw
2) It came without any battery cells, does somebody know what could be used? I would probably like to use Ni-Cd cells since I want the trickle charge to work. However manual does not say which cells should be used
I'm using this manual, which seems to be for 931A(B) and 931P(B): https://archive.org/details/manualsplus_01105
Artek Manuals does list a manual for 931B, I ordered it but I haven't received the download link yet (there's some health issue there, so I'll have to wait)
What worries me the most at this moment is that Push to cal thing. Any hints would be greatly appreciated
The Soulman:
--- Quote from: tatel on September 23, 2024, 10:53:58 am ---1) Push to cal seems to do nothing? You can see a fast video here https://youtu.be/1rnkch9M4vw
--- End quote ---
Try to push instead of pull?
tatel:
:-+
It can't be pushed, perhaps 20 thou... about half a milimeter, or even less, and it does nothing, either.
https://youtu.be/_0i7FePU0yw
Runco990:
I'll give you a hint. Have you considered that this is a mechanical issue of some sort? You may have to actually remove the cover to actually LOOK at the switches and how they work. I'd bet it's something stupid simple.
tatel:
Yep. I'll probably do exactly that as last resort. However I hope there's some people here experienced with these devices, that could perhaps know what's going on.
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