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Groups > sci.electronics.design > #450342

Re: A useful addition to your toolkit

From MJC <gravity@mjcoon.plus.com>
Newsgroups sci.electronics.design, sci.electronics.repair
Subject Re: A useful addition to your toolkit
Date 2017-03-05 20:56 +0000
Message-ID <MPG.33268be3dcf3761812@news.plus.net> (permalink)
References <o9h8gj$977$4@dont-email.me> <n8cobcdbu0ki3gu3cka91e2cbpgg766ncr@4ax.com> <o9hdpa$977$7@dont-email.me> <fuhobcdhvlfcm9ik7kk4kr9fkddfpa1jon@4ax.com>
Organization Private

Cross-posted to 2 groups.

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In article <fuhobcdhvlfcm9ik7kk4kr9fkddfpa1jon@4ax.com>, 
jjlarkin@highlandtechnology.com says...
> 
> One of the great mysteries of electronics is "where is the current
> going?" Sometimes a thermal imager helps figure that out. A little
> magnetometer would be fun, not hard to do these days.

Reading the blurb on the cited current transformer reminded me of a 
puzzle for all clamp meters... Surely they are no good clamped on a 
normal bi-directional power cable in which the current is both coming 
and going: the magnetic fields will near-perfectly cancel out. Surely 
you have to split the cable to measure current?

Mike.

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Thread

A useful addition to your toolkit Cursitor Doom <curd@notformail.com> - 2017-03-05 14:48 +0000
  Re: A useful addition to your toolkit John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-05 07:44 -0800
    Re: A useful addition to your toolkit Cursitor Doom <curd@notformail.com> - 2017-03-05 16:18 +0000
      Re: A useful addition to your toolkit John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-05 09:28 -0800
        Re: A useful addition to your toolkit MJC <gravity@mjcoon.plus.com> - 2017-03-05 20:56 +0000
          Re: A useful addition to your toolkit Foxs Mercantile <jdangus@att.net> - 2017-03-05 15:07 -0600
            Re: A useful addition to your toolkit John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-05 13:37 -0800
              Re: A useful addition to your toolkit Foxs Mercantile <jdangus@att.net> - 2017-03-05 17:41 -0600
                Re: A useful addition to your toolkit Winfield Hill <hill@rowland.harvard.edu> - 2017-03-05 16:35 -0800
              Re: A useful addition to your toolkit rickman <gnuarm@gmail.com> - 2017-03-06 00:58 -0500
                Re: A useful addition to your toolkit Foxs Mercantile <jdangus@att.net> - 2017-03-06 00:56 -0600
                Re: A useful addition to your toolkit rickman <gnuarm@gmail.com> - 2017-03-06 02:04 -0500
                Re: A useful addition to your toolkit Cursitor Doom <curd@notformail.com> - 2017-03-06 11:27 +0000
                Re: A useful addition to your toolkit "Michael A. Terrell" <mike.terrell@earthlink.net> - 2017-03-06 20:56 -0500
                Re: A useful addition to your toolkit Cursitor Doom <curd@notformail.com> - 2017-03-07 18:16 +0000
                Re: A useful addition to your toolkit Winfield Hill <hill@rowland.harvard.edu> - 2017-03-08 05:44 -0800
                Re: A useful addition to your toolkit Cursitor Doom <curd@notformail.com> - 2017-03-08 14:52 +0000
                Re: A useful addition to your toolkit Winfield Hill <hill@rowland.harvard.edu> - 2017-03-08 07:18 -0800
                Re: A useful addition to your toolkit Jasen Betts <jasen@xnet.co.nz> - 2017-03-08 18:53 +0000
                Re: A useful addition to your toolkit John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-03-08 16:05 -0800
                Re: A useful addition to your toolkit John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-06 08:43 -0800
                Re: A useful addition to your toolkit Winfield Hill <hill@rowland.harvard.edu> - 2017-03-06 18:06 -0800
                Re: A useful addition to your toolkit "tom" <tmiller11147@verizon.net> - 2017-03-06 22:05 -0500
                Re: A useful addition to your toolkit John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-06 20:56 -0800
                Re: A useful addition to your toolkit Cursitor Doom <curd@notformail.com> - 2017-03-07 18:18 +0000
              Re: A useful addition to your toolkit "Tom Del Rosso" <fizzbintuesday@that-google-mail-domain.com> - 2017-03-11 16:31 -0500
        Re: A useful addition to your toolkit "Tom Del Rosso" <fizzbintuesday@that-google-mail-domain.com> - 2017-03-11 16:22 -0500
          Re: A useful addition to your toolkit dagmargoodboat@yahoo.com - 2017-03-11 17:49 -0800
            Re: A useful addition to your toolkit pcdhobbs@gmail.com - 2017-03-11 17:58 -0800
              Re: A useful addition to your toolkit dagmargoodboat@yahoo.com - 2017-03-11 19:07 -0800
                Re: A useful addition to your toolkit pcdhobbs@gmail.com - 2017-03-11 20:14 -0800
    Re: A useful addition to your toolkit krw@notreal.com - 2017-03-05 19:41 -0500
      Re: A useful addition to your toolkit piglet <erichpwagner@hotmail.com> - 2017-03-06 11:01 +0000
    Re: A useful addition to your toolkit George Herold <gherold@teachspin.com> - 2017-03-05 17:43 -0800
      Re: A useful addition to your toolkit piglet <erichpwagner@hotmail.com> - 2017-03-06 10:28 +0000
        Re: A useful addition to your toolkit George Herold <gherold@teachspin.com> - 2017-03-06 05:47 -0800
          Re: A useful addition to your toolkit piglet <erichpwagner@hotmail.com> - 2017-03-06 14:08 +0000
            Re: A useful addition to your toolkit Sjouke Burry <burrynulnulfour@ppllaanneett.nnll> - 2017-03-06 15:34 +0100
              Re: A useful addition to your toolkit George Herold <gherold@teachspin.com> - 2017-03-06 07:26 -0800
            Re: A useful addition to your toolkit Ralph Barone <ralph@invalid.com> - 2017-03-06 15:41 +0000
              Re: A useful addition to your toolkit rickman <gnuarm@gmail.com> - 2017-03-06 23:04 -0500
            Re: A useful addition to your toolkit dagmargoodboat@yahoo.com - 2017-03-06 18:26 -0800
              Re: A useful addition to your toolkit John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-06 21:00 -0800
                Re: A useful addition to your toolkit dagmargoodboat@yahoo.com - 2017-03-06 21:17 -0800
                Re: A useful addition to your toolkit John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-06 21:36 -0800
                Re: A useful addition to your toolkit Cursitor Doom <curd@notformail.com> - 2017-03-07 18:11 +0000
                Re: A useful addition to your toolkit whit3rd <whit3rd@gmail.com> - 2017-03-07 14:03 -0800
                Re: A useful addition to your toolkit Cursitor Doom <curd@notformail.com> - 2017-03-08 00:22 +0000
                Re: A useful addition to your toolkit Bill Martin <wwm@wwmartin.net> - 2017-03-10 10:32 -0800
                Re: A useful addition to your toolkit wolfgangfriedrich42@gmail.com - 2017-03-07 07:35 -0800
                Re: A useful addition to your toolkit dagmargoodboat@yahoo.com - 2017-03-07 07:42 -0800
                Re: A useful addition to your toolkit krw@notreal.com - 2017-03-07 20:56 -0500
                Re: A useful addition to your toolkit Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-03-08 09:36 -0500
                Re: A useful addition to your toolkit Winfield Hill <hill@rowland.harvard.edu> - 2017-03-08 07:21 -0800
                Re: A useful addition to your toolkit wolfgangfriedrich42@gmail.com - 2017-03-08 09:00 -0800
                Re: A useful addition to your toolkit krw@notreal.com - 2017-03-08 20:40 -0500
                Re: A useful addition to your toolkit whit3rd <whit3rd@gmail.com> - 2017-03-09 16:24 -0800
                Re: A useful addition to your toolkit krw@notreal.com - 2017-03-08 20:36 -0500
              Re: A useful addition to your toolkit George Herold <gherold@teachspin.com> - 2017-03-07 05:42 -0800
                Re: A useful addition to your toolkit dagmargoodboat@yahoo.com - 2017-03-07 06:16 -0800
    Re: A useful addition to your toolkit JM <dontreplytothis173@gmail.com> - 2017-03-05 19:56 +0000
      Re: A useful addition to your toolkit John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-05 20:02 -0800
    Re: A useful addition to your toolkit Robert Baer <robertbaer@localnet.com> - 2017-03-09 22:43 -0800
      Re: A useful addition to your toolkit John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-03-10 10:04 -0800

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