We are offering resistance meter.Featurestrue four terminal measurementregulated and highly stable 1 amp current source4 digital led display0.1uohm resolution on 2mohm rangeprotection against back emf for high inductive loadsstable and fast measurementdownload via rs-232 usb port with software (optional) technical specificationsrange : 0.1uohm - 1999.9ohmaccuracy : +0.05% of reading + 5 digitdisplay : 4 digit led displaypower supply : 230v ac, 50hz, 1 phase standard accessoriesone set of test leads (1meters) with crocodile clipsmains corduser manualkelvin clip test leads (optional)