Re: What's your best guess?

On Fri, 3 Oct 2008 16:06:16 -0700, Bill <spamtrap@xxxxxxxxxxxxxxxxxxxxxx> wrote:

| In article <6k3ce4hsc97d1dtmj5u098qjcg4a6766rf@xxxxxxx>,
| larc@xxxxxxxxxxxxxxxx says...
| > On Thu, 2 Oct 2008 21:40:41 -0700 (PDT), w_tom <w_tom1@xxxxxxx> wrote:
| >
| > | On Oct 2, 7:58 pm, Larc <l...@xxxxxxxxxxxxxxxx> wrote:
| > | > So connect the suspect PSU to my second computer and start it doing exactly what
| > | > the main computer was doing when the failure occurred? That will be simple
| > | > enough. ...
| > |
| > | Nothing useful is concluded from that test. After all that
| > | swapping, testing, and time, well, even numbers from Memtst86 were not
| > | posted. Subjective reply with no numbers means nothing useful will
| > | appear in a reply.
| > |
| > | Don't change anything. Obtain voltage numbers both before and after
| > | the power switch is pressed. Then put the original supply back in the
| > | original system (I have no idea what is the main computer and what is
| > | the second computer). Post numbers for a useful reply.
| >
| > All this may become clearer to me when I have a digital volt meter in hand. I'll
| > pick one up while I'm visiting out of town this week end. But I'll admit I'm in
| > a definite fog right now about how to physically access points for the + and -
| > probes with everything plugged in for normal computer operation. I'm
| > visualizing the normal two probes as on my old meter. Maybe digital meters are
| > different?
| >
| > Larc
| >
|
| Make sure it has a good set of leads . Something like
|
| 5674C DMM Test Lead Kit Deluxe
|
| http://www.action-electronics.com/testleads.htm
|
| will help a lot.
|
| A Fluke 179 would get the job done.
|
| http://www.action-electronics.com/fluke.ht

Think these leads should work OK?

http://www.extech.com/instrument/products/alpha/DM110.html

Larc
.

Relevant Pages

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