f sweeping, serialing and comparing with a R, is a excurate method.=20 any exprience to share, by using PIC? Or, any other method to do it? lots of multimeter has C or CL meter. what method do they use? -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body