|
[DPRG] small ac signal RMS measurements
Subject: [DPRG] small ac signal RMS measurements
From: David Murphy
dfm7 at earthlink.net
Date: Sun Dec 3 22:47:36 CST 2006
FYI, if you go to their site ( www.circuitcellar.com ) you can search
the table of contents of all issues in addition to their digital
library.
See the 'digital library' link on their home page.
On Dec 3, 2006, at 3:16 PM, Kenneth Maxon wrote:
>
> Hello Chuck,
>
> If you don't mind doing some digging at the library, ... As part
> of their
> home control series a few years back, the Circuit Cellar Inc
> (Magazine) ran
> articles, one of which did exactly this. In that article they had
> built
> their own coils and list wire gauge used, core used and number of
> turns. I
> just don't have time to dig through the back issues, possibly with
> this
> information, someone else on the list could dig it out for you...
>
> -Kenneth
>
> -----Original Message-----
> From: dprglist-bounces at dprg.org [mailto:dprglist-bounces at dprg.org]On
> Behalf Of Chuck McManis
> Sent: Sunday, December 03, 2006 1:41 PM
> To: DPRG
> Subject: [DPRG] small ac signal RMS measurements
>
>
> I'd like to measure power being used in the house on a per-circuit
> basis.
> I've looked at various split core transformers and the smallest
> seem to go
> down to 1amp but I'd like 0 - 15amp range. The current plan is to
> put 5
> turns of #30 Kynar wire on to the hot lead and use a high
> instrumentation
> amplifier like the one shown here:
>
> <http://www.ecircuitcenter.com/Circuits/instamp1/instamp1.htm>
>
> I was wondering if anyone else had started on this road and knew of
> specific pot holes to avoid.
>
> --Chuck
>
> _______________________________________________
> DPRGlist mailing list
> DPRGlist at dprg.org
> http://list.dprg.org/mailman/listinfo/dprglist
>
>
>
> _______________________________________________
> DPRGlist mailing list
> DPRGlist at dprg.org
> http://list.dprg.org/mailman/listinfo/dprglist
More information about the DPRG mailing list
|
