Re: computer power supply testers do work

mark krawczuk wrote:
hmmmmmmm a MULTIMETER is gonna apply even LESS of a load than a power supply tester.
basically computer power supplys work or they dont , all he . me want to do is see if they work or not.

why wont the power supply tester work ?




No they don't "just work or they don't". All kinds of things can go wrong with power supplies. Output voltage can be too low or too high or sag under load, there can be excess ripple, glitches, plenty of faults only show up when heavily loaded. I just replaced an Antec power supply recently that powered up fine and all voltages checked out ok, but the outputs would gradually sag under load until the computer would just randomly shut off. A PSU tester would have passed that one with flying colors but it failed in service and using a multimeter while it was operating the computer in question was the only way to diagnose it.
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