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10-08-2021, 06:59 AM | #1 |
Senior Member
Join Date: Mar 2014
Location: Jacksonville FL
Posts: 3,925
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VO meter question
I was checking the volts of two batteries in the shop last night with my multimeter. When I checked one it almost instantly showed 5.7v and started to climbing to 5.8V within about 5 seconds where it seemed to stop. When I checked the second battery it instantly showed about 2.7V and slowly started climbing like filling your car with gas at the gas pump, I stood there for at least a minute (slightly longer) as it would climb all the way to 5.85V is where it seemed to stop!!! It would climb at a slow but steady rate for a bit, then it would climb .01 volt every three or four seconds, THEN at a point start climb at a constant steady rate again THEN slow back down and move .01 volts every 3 - 5 seconds and pick back up again. What's up OR WHY? I could go back to the other battery and BAM, 5.73V and climb again to 5.8 within a few seconds!!!
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10-08-2021, 07:44 AM | #2 |
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Join Date: Feb 2011
Posts: 794
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Re: VO meter question
You don't seem to be considering that the meter may be faulty, try another meter.
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10-08-2021, 07:48 AM | #3 |
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Join Date: Jul 2020
Location: france
Posts: 26
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Re: VO meter question
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10-08-2021, 09:04 AM | #4 |
Senior Member
Join Date: Jul 2010
Location: 36 miles north of Albany NY
Posts: 2,931
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Re: VO meter question
I bought a bunch of these analog multimeters at a dollar store in Texas about 15 years ago, gave them all away except one. Rock Auto carry’s them and I’m sure eBay has them also. I keep one in my trunk of my ‘41, these analog meters seem to work better on old 6 volt circuits than the new digital ones.
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10-08-2021, 09:32 AM | #5 |
Senior Member
Join Date: Apr 2021
Location: St. Augustine, Fl.
Posts: 437
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Re: VO meter question
Make sure your battery post are clean. If so, as mentioned above try analog meter.
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10-08-2021, 10:07 AM | #6 |
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Join Date: May 2010
Location: East Hartford, Ct
Posts: 5,898
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Re: VO meter question
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10-08-2021, 10:11 AM | #7 |
Senior Member
Join Date: Oct 2011
Location: Shelton, WA
Posts: 3,777
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Re: VO meter question
What 51 Merc CT said.
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