Re: Proposal: Wattmeter project

To: tesla-at-pupman-dot-com
Subject: Re: Proposal: Wattmeter project
From: "danial stocks" <diode-at-hotmail-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
Date: Thu, 14 Jan 1999 17:46:22 -0700
Approved: twf-at-verinet-dot-com

do watt-hour meters on the mains supply read inaccurately? how about 
getting an old mains meter and measuring tot elec. consumption over a 
fixed time interval?


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>Subject: Proposal: Wattmeter project
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>Original Poster: FutureT-at-aol-dot-com 
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>All,
>
>I think every coiler could benefit from having an electronic wattmeter
>that would accurately measure their TC input power.  The input current
>to a TC tends to be distorted which makes ordinary meters read 
>incorrectly.  If various coils made by different builders are to be
>compared, it would be good to know that the input power measurement
>techniques are standardized and accurate.
>
>My proposal is:
>
>Is there anyone on the list that enjoys building small electronic 
projects
>and would be willing to build a number of electronic wattmeters and
>offer them for sale for a reasonable price to other list members?
>
>The perfect design for the wattmeter would be the one presented
>by and built by Dave Sharpe of the TCBOR some time ago.  It uses
>an optocoupler IC that costs about 15 cents or so, and a few other
>components.  It's a simple circuit overall.  (Dave, any objections?)
>
>Just a thought,
>
>John Freau
>
>
>


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