The problem is that 10-15 mV is noise on a battery cable, but 20-30% of range for a typical meter with 50 mV input sensitivity. That's why you need a shunt that is very stable.
Mike On May 14, 2014 6:26:15 PM MDT, Michael K Johnson via EV <[email protected]> wrote: >I don't use manganin battery leads (no one does), but I like a >temperature-stable reference, and 10-15mV drop in normal operation is >noise. ☺ And my longest battery lead is in the middle of my pack so >it's biased by half the pack, which would mean that it would be more >of a pain to measure since they wouldn't be common. Finally, my >battery leads are 2x4ga (equivalent to 1ga) so they don't drop much. > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
