Spehro Pefhany wrote: > > At 02:21 AM 7/30/01 +1000, you wrote: > > You mention a > >sense resistor of 1 milliohm, this is ridiculous. I have > >a good milliohm meter, and any electrical connnection will > >give you a few milliohms resistance. Your sense resistor > >will have two of these connections. > > You can do Kelvin connections. I've done 15,000 ADC digital meter > systems, and you sure don't want to put more than a few tens of > micro-ohms in there. 10uOhms => 2,250 W loss. Accuracy better > than 1% (system). Hi Spehro, you've completely lost me here and of course I want to learn why! ;o) How and why did you go about this?? And also would you recommend a 1mohm sense system? This seems insane to me. I often do medium/high power DC motor work and appreciate any info you can share here... :o) -Roman -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body