[ale] Re: Power Meter (Was: Re: [ale] About that firewall machine [Was]Re: [ale] unidentified processes)

[Calvin Harrigan]

an easier, safer way might be to use a powerstrip that's turned off and connect the small slot on the strip with the small slot on the outlet and take a reading.  I'm assuming you are using a Multimeter to measure the current, so the connection is done with the probes of the DMM.

Calvin...

-----Original Message-----
From: Geoffrey <esoteric at 3times25.net>
To: ale at ale.org
Date: Wed, 19 Dec 2001 12:15:26 -0500
To: ale at ale.org
Subject: [ale] Re: Power Meter (Was: Re: [ale] About that firewall machine [Was]Re: [ale] unidentified   processes)


> jeff hubbs wrote:
> > 
> > Geoffrey wrote:
> > 
> > > John Wells wrote:
> > >
> > >>I'm interested in power consumption as well.  I've
> > >>finally got my laptop router working well, but I
> > >>really hate to leave it on 'round the clock if I'm
> > >>throwing money out the window.
> > >>
> > >>I'm assuming Radio Shack would be the place to find a
> > >>meter like this?
> > >>
> > >
> > > Yeah, but I've not seen a cheap amp meter.  Standard vom meters you can
> > > get for $10 at radio shack don't usually handle large currents ac
> > > currents.  I've not priced them in a while, but last time I checked,
> > > they run > $100.
> > 
> > Clamp-on ammeters are not going to get you what you need, especially
> > since you would have to separate one conductor somewhere to put the
> > sensor around.
> 
> It's a bit dangerous, but I've done the following:
> 
> Strip the ends and the middle of a couple of pieces of 12 gauge wire,
> attach them to a standard outlet.  Plug the other end of the wires into
> a live outlet, CAREFULLY take your reading. :)
> 
> 
> > Call an electrician's
> > supply place and ask.  The other thing I'd do is look at Fluke's Web
> > site and see if they have anything that will measure power directly.  It
> > should be be some kind of RMS meter that accounts for power factor and
> > will give you a reading in VA.
> 
> Both the electricians supply and Fluke are going to be pricey.
> 
> > 
> > - Jeff
> 
> --
> Until later: Geoffrey		esoteric at 3times25.net
> 
> "...the system (Microsoft passport) carries significant risks to users
> that
> are not made adequately clear in the technical documentation available."
> - David P. Kormann and Aviel D. Rubin, AT&T Labs - Research
> - http://www.avirubin.com/passport.html
> 
> ---
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> 

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