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Article #2165

Re: 250 Volt AC 50hz supply from battery to test Multimeter

#2165
From: John G
Date: Tue, 17 Feb 2004 01:58
38 lines
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"budgie" <me@privacy.net> wrote in message
news:hdh130dkrv8eia7sce4vbakbvk5vo7i95l@4ax.com...
> On Mon, 16 Feb 2004 12:22:12 GMT, "Dave Nichols"
<dnichols@bigpond.net.au>
> wrote:
>
> >I don't know a lot about electronics design, I'm an
electrician but have
> >built a few electronic circuits succesfully.
> >When we do a test for dead on electrical equipment before
isolating and
> >tagging we have to test meter on known 240v AC 50hz live
source before
> >testing equipment for dead. If this is during a power
failure there is no
> >240v AC supply to test meter.
> >I thought maybe you could have a sine wave generator at
50hz feed into an
> >amplifier and take output to a transformer instead of a
speaker.
> >don't know if this is feasible, maybe there are better
ways to do it.
> >whatever I come up with needs to be compact and portable
to go in
> >electricians tool box.
> >Any comments or thoughs would be appreciated
>
> The sort of thing that Bob Parker would do.  He lurks
mainly in aus.electronics,
> I have x-posted this there.

A small invertor from Dick Smith or Jaycar will run from
 your vehicle attery and provide plenty of AC for this job.
-- 
John G

Wot's Your Real Problem?
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Subject: Re: 250 Volt AC 50hz supply from battery to test Multimeter
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