Article View: sci.electronics.design
Article #2168Re: 250 Volt AC 50hz supply from battery to test Multimeter
From: budgie
Date: Mon, 16 Feb 2004 13:30
Date: Mon, 16 Feb 2004 13:30
18 lines
1942 bytes
1942 bytes
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.
Technical Details
Message-ID:
<hdh130dkrv8eia7sce4vbakbvk5vo7i95l@4ax.com>Path:
arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!fu-berlin.de!uni-berlin.de!dsl-202-72-132-143.wa.westnet.com.AU!not-for-mailReferences:
<UB2Yb.62674$Wa.33056@news-server.bigpond.net.au>Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 112d1e,ff8104e2c376ad X-Google-Attributes: gid112d1e,public X-Google-Thread: 103407,a2e1b495846b3e86,start X-Google-Attributes: gid103407,public X-Google-ArrivalTime: 2004-02-16 05:29:53 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!fu-berlin.de!uni-berlin.de!dsl-202-72-132-143.wa.westnet.com.AU!not-for-mail From: budgie <me@privacy.net> Newsgroups: sci.electronics.design,aus.electronics Subject: Re: 250 Volt AC 50hz supply from battery to test Multimeter Date: Mon, 16 Feb 2004 21:30:21 +0800 Lines: 18 Message-ID: <hdh130dkrv8eia7sce4vbakbvk5vo7i95l@4ax.com> References: <UB2Yb.62674$Wa.33056@news-server.bigpond.net.au> NNTP-Posting-Host: dsl-202-72-132-143.wa.westnet.com.au (202.72.132.143) Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: news.uni-berlin.de 1076938191 44023149 I 202.72.132.143 ([201664]) X-Newsreader: Forte Free Agent 1.93/32.576 English (American)