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Are Snap-On branded digital multi meters any good for testing PSUs?

 
 
Nocturnal
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      07-10-2005
Can anyone comment on this?

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Nocturnal

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Robert Baer
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      07-11-2005
Nocturnal wrote:
> Can anyone comment on this?
>

One could use any analog multimeter or digital multimeter *provided*
that one uses a bit of intelligence regarding errors of readings.
First, one needs to know the specification of the voltages in the PSU
(ie: 5V +/-5%,others +/-10%) and the error / aka accuracy of the meter
used (say 1% +/- 3 digits) to determine if the value seen is OK or "on
the edge" or "bad".
If the reading is "on the edge" then one needs to find the error
source: is the PSU really off, or is the meter reading off, or both?
 
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