Is the article available on the WEB?? > There have been posts to this list in the past asking about measuring large > DC currents without using a shunt resistor. The latest issue of Nuts & Volts > magazine (April 2004) has an article on page 38 describing the construction > of a transformer based DC current meter with full scale up to 100 amps (and > no, this is not an April Fool's joke). --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.637 / Virus Database: 408 - Release Date: 20/03/2004 -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.