"Uriah" <uriahsky@hotmail.com> wrote in news:1170026838.501064.118620
@q2g2000cwa.googlegroups.com:

> 
> 
> I have the manual but it is from an Asian company and there is very
> little to it as far as examples on how to set it up.
> 
> It doesn't have a reactance setting.  I just wasn't sure how to factor
> that in when setting the resistance or if you need to consider that
> when working on an embedded style controller.
> 
> It didn't cost that much.  Around $450.00?
> 
> The adjustables are Resistance, Current, Watts
> So I think I need to set the resistance that compares with the board
> the PS ususally is plugged into.  So I just measure the resistance
> with my meter for the 12, 5, -5, 3.3VDC?  I get quite a difference.
> Is that the correct way for the resistance?  I figure you just set the
> amps to what ever the PS is rated for. Or at least close to it?  Then
> there is watts.  Do I just leave that alone or set that set the Watts
> and leave the amps at 0?
> 
> Once I find the unit online I will put a link up to it.  I have
> emailed and called the people who sold it to me but they never get
> back to me, yet.
> 
> Thanks
> Uriah
> 
> 

Well, without seeing the actual tester, it is hard to say exactly.
As a guess I'd set the resistance based on what the supply is supposed to 
deliver.  As an example if it has a 5 and 12 volt output rated for 20 and 
12 amps respecively i'd use 5/20=.25 ohms for the 12 volt and 12/12=1 ohm 
for the 5 volt.  For multi output supplies you might also have to avoid 
drawing too much overall power from it.  Sometimes there are limits to 
the amount of power you can safely dray from some sets of outputs 
(usually on the label).

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