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Re: Input power measurement



Original poster: "Jim Lux by way of Terry Fritz <teslalist@qwest.net>" <jimlux@earthlink.net>

The "kill-a-watt" (that's the brand name) watt meter runs about $30-40 from
all manner of sources (including Radio Shack), and measures VA, Watts, PF,
etc. with an accuracy of better than 1%..


----- Original Message -----
From: "Tesla list" <tesla@pupman.com>
To: <tesla@pupman.com>
Sent: Monday, March 10, 2003 5:24 PM
Subject: RE: Input power measurement


 > Original poster: "Skip Greiner by way of Terry Fritz
<teslalist@qwest.net>" <sgreiner@wwnet.com>
 >
 > Hi Everyone
 > Thank to everyone who helped explain what I am actually measuring when
using
 > an iron vane ammeter to check the input current to an NST running in
 > resonant mode.
 >
 > Now the question becomes...how does one measure the actual (RMS ?) input
 > current in order to calculate the wall plug watts? Must one purchase or
 > borrow a multi-buck wattmeter?
 >
 > Again thanks in advance for any help.
 >
 >