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| Fluke 8000A Multimeter Reading 1/2 of Actual Values |
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| tggzzz:
--- Quote from: tautech on January 18, 2024, 06:29:51 am ---Eeeek, a TANT ! :scared: Just because it's lollipop red don't think it won't throw a curveball somewhere down the track. Get that sucker outta there for a new and higher voltage rated one. --- End quote --- Two tants, actually. One is cheap and nasty, and it might be worth replacing it. If it is operating at half its voltage limit, I would be less concerned than having 13V on a 15V tant bead (thanks for nothing, Tek!) The other (TRW) is very expensive (>£50 replacement) and probably still good. Only replace it if it has spewed acid across the board :) To the OP: when measuring power rails, measure the DC value and the ripple. The ripple can give a clue as to whether an electrolytic has dried up. With that in mind, I'd look at those blue Philips electrolytics. |
| NoisyBoy:
I have two of those. One thing that has not been mentioned is cleaning the push switches, use some DeOxit to clean them out whether this is related or not. I have seen switches that have not been operated for a long time cause various measurements issues. After you applied DeOxit, operate each switch 20-30 times to clean them out. Those caps are very old, I did purchased all new caps for the two 8000A I own, but when I pull them out and measured them, they were all within spec. But given the age, it wouldn’t hurt to replace them. Good luck. |
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