This document describes a DC milli-ohm meter model KM-OHM-8500. It has a 4.5 digit display, auto ranging, four wire measurement, percentage error selection, dual LCD display, and alarm indication. It measures resistance from 20 mΩ to 200 KΩ with resolutions from 1 μΩ to 1 Ω and accuracy of ±(0.1% + 2 digits) to ±(0.05% + 2 digits). It has an output current from 1 A to 1 μA depending on the range. Additional features include an open circuit voltage below 4V, 8 samples/second, 220V auxiliary supply, memory storage, and compact dimensions of 90x280x