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Electronic Equipment > Electronics Misc > can someone rec...
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can someone recommend a really TRUE RMS meter?

by panfilero <panfilero@[EMAIL PROTECTED] > Jun 2, 2008 at 03:03 PM

I have a very noisy square pulse wave that I'm trying to measure the
RMS current and RMS votlage of... my pulses can have up to 24 volt
peaks.  and a frequency of 1kHz.... I was wondering if anyone could
reccomend a Multi-Meter for doing these measurements, or do I need to
use a Scope?

From what I've gathered in trying to find a meter is that meters are
made for Sinusoids, and True RMS isn't always very true... this
article was interesting http://www.enginova.com/true_rms_volts.htm
.
And since there is noise on my signal, I'd have different spikes and
things happening that would be beyond my fundamental frequency of
1kHz, and I don't know what a multi-meter does with that.

I've heard some meters assume that your signal is centerd around the
zero-axis and therefore return bad results, I've heard other meters do
internal calculations assuming a sinusoid, and give erroneous
results.... anyone have any suggestions?



Much thanks to all who participate in this forum, great source of
information
appreciate the help
 




 57 Posts in Topic:
can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-02 15:03:15 
Re: can someone recommend a really TRUE RMS meter?
Jamie <jamie_ka1lpa_no  2008-06-02 18:24:25 
Re: can someone recommend a really TRUE RMS meter?
legg <legg@[EMAIL PROT  2008-06-08 12:43:33 
Re: can someone recommend a really TRUE RMS meter?
"christofire" &  2008-06-08 22:26:00 
Re: can someone recommend a really TRUE RMS meter?
"Bob Myers" <  2008-06-02 16:26:14 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-02 20:42:08 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-03 12:54:05 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-02 23:00:56 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-03 13:14:03 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-03 07:49:35 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-03 22:06:59 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-03 21:48:38 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-04 12:30:25 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-05 07:38:25 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-05 21:46:43 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-05 08:36:50 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-05 22:54:28 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-05 09:14:17 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-04 11:07:23 
Re: can someone recommend a really TRUE RMS meter?
The Phantom <phantom@[  2008-06-04 12:23:41 
Re: can someone recommend a really TRUE RMS meter?
Mark <makolber@[EMAIL   2008-06-04 14:33:52 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-04 15:02:02 
Re: can someone recommend a really TRUE RMS meter?
"John G" <gr  2008-06-05 09:41:24 
Re: can someone recommend a really TRUE RMS meter?
Rich Grise <rich@[EMAI  2008-06-05 18:07:19 
Re: can someone recommend a really TRUE RMS meter?
John Larkin <jjlarkin@  2008-06-03 07:48:25 
Re: can someone recommend a really TRUE RMS meter?
krw <krw@[EMAIL PROTEC  2008-06-03 22:23:56 
Re: can someone recommend a really TRUE RMS meter?
JosephKK <quiettechblu  2008-06-04 00:06:12 
Re: can someone recommend a really TRUE RMS meter?
Tim Wescott <tim@[EMAI  2008-06-02 16:34:10 
Re: can someone recommend a really TRUE RMS meter?
dplatt@[EMAIL PROTECTED]   2008-06-02 17:18:52 
Re: can someone recommend a really TRUE RMS meter?
Robert Baer <robertbae  2008-06-02 18:32:38 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-03 13:03:03 
Re: can someone recommend a really TRUE RMS meter?
NoSpam@[EMAIL PROTECTED]   2008-06-03 11:12:26 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-03 06:59:52 
Re: can someone recommend a really TRUE RMS meter?
Rich Grise <rich@[EMAI  2008-06-03 20:02:52 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-04 09:35:30 
Re: can someone recommend a really TRUE RMS meter?
JosephKK <quiettechblu  2008-06-04 00:17:41 
Re: can someone recommend a really TRUE RMS meter?
Mark <makolber@[EMAIL   2008-06-03 07:17:01 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-03 08:31:34 
Re: can someone recommend a really TRUE RMS meter?
The Phantom <phantom@[  2008-06-03 10:33:56 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-04 09:38:22 
Re: can someone recommend a really TRUE RMS meter?
JosephKK <quiettechblu  2008-06-04 02:19:58 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-04 08:50:11 
Re: can someone recommend a really TRUE RMS meter?
The Phantom <phantom@[  2008-06-04 10:13:24 
Re: can someone recommend a really TRUE RMS meter?
Richard Henry <pomerad  2008-06-04 09:01:00 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-04 09:55:12 
Re: can someone recommend a really TRUE RMS meter?
krw <krw@[EMAIL PROTEC  2008-06-08 00:23:34 
Re: can someone recommend a really TRUE RMS meter?
krw <krw@[EMAIL PROTEC  2008-06-08 00:23:34 
Re: can someone recommend a really TRUE RMS meter?
Richard Henry <pomerad  2008-06-04 10:14:49 
Re: can someone recommend a really TRUE RMS meter?
whit3rd <whit3rd@[EMAI  2008-06-06 18:59:01 
Re: can someone recommend a really TRUE RMS meter?
"Phil Allison"   2008-06-07 12:09:19 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-18 11:41:57 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-18 16:08:03 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-20 06:23:28 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-20 12:39:46 
Re: can someone recommend a really TRUE RMS meter?
The Phantom <phantom@[  2008-06-20 21:02:01 
Re: can someone recommend a really TRUE RMS meter?
panfilero <panfilero@[  2008-06-20 11:18:53 
Re: can someone recommend a really TRUE RMS meter?
Phil Hobbs <pcdhSpamMe  2008-06-20 16:48:41 

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tan12V112 Mon Dec 1 8:28:28 CST 2008.