*BSD News Article 81981


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From: Jim Nelson <smartsignal@delphi.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Memory Checkers
Date: Thu, 31 Oct 96 09:35:58 -0500
Organization: Delphi (info@delphi.com email, 800-695-4005 voice)
Lines: 14
Message-ID: <BfJw3fG.smartsignal@delphi.com>
References: <326D34A9.6F29@nortel.ca> <54mnjl$b3e@Symiserver2.symantec.com>
NNTP-Posting-Host: bos1d.delphi.com
X-To: <tedm@agora.rdrop.com>

<tedm@agora.rdrop.com> writes:
 
>For about $80 you can buy a cheap ammeter, these are very useful for this
>kind of thing.  They have this big "crab pincer" thing on the end of them that
>you snap around a wire to measure how much current is flowing through it.
>These are used all the time by electricians wiring houses and such.  You take the
>device and snap the crab thing around all the wires coming from your power
>supply (while the computer is on and running of course) and this will give you a
>total amperage measurement which can be used to calculate the wattage that
>the computer is pulling through the power supply.
 
Clamp on ammeters are only good for measuring AC.  Guess what comes out
of a working PC power supply: DC.  By the way, if you're measuring AC,
you've also got to limit yourself to a single conductor.