On 12/24/2012 04:37 PM, Chuck Guzis wrote:
They are
mutually exclusive...either you're measuring the peak value
or the RMS value. They are different.
And a lot of multimeters do a darned poor job of measuring RMS for
anything other than a continuously recurring sinusoidal waveform.
Yes...the "I'm not doing real work, so this is good enough for me"
garbage. I've taken to bringing along grownup equipment whenever I'm
going to any sort of technical gathering, because of all the crap I see
people toting along. "Well this one was soooo much cheaper! That means
I was a SMART SHOPPER!"
*BANG* [smoke rises from PCB]
"Oh, I guess that meter wasn't such a good buy after all."
You could have the statistical RMS error of a cluster
of P-P readings
performed by a monkey, I suppose. :)
Hey, I think that would work! ;)
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA