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Msradell
P.E.
Premium
join:2008-12-25
Louisville, KY

1 recommendation

reply to Hall

Re: [Electrical] Multimeter question

When you move to a higher voltage scale (or resistance scale) you reduce the accuracy of the unit. That's why only 200 V scale you got 126.1 in on the 600 V scale you got 126. The accuracy went from 000.0 to 000.


cowboyro
Premium
join:2000-10-11
Shelton, CT

1 edit
said by Msradell:

When you move to a higher voltage scale (or resistance scale) you reduce the accuracy of the unit

No, you don't. You reduce the resolution. Totally different things.
And for an example you measure the AC voltage on the 200 and 2000V ranges.
Your readings are 116.6 and 116V respectively. The more accurate one is the one closer to the actual voltage, which can very well be 114.17V or 117.03V