... pole method, measurement current 3mA Max,820Hz; Voltage to ground: average value rectificationData ModeAverage value, maximum, ... 124mm×67mmMeasuring IndicationDuring measurement, LED flash indicator, LCD count down displayEarth Ground ResistanceRange:0.01Ω~2000Ω; Resolution:0.01 ... , software supervision, storage data can be uploaded to computer, preserved and printed.Communication WireOne piece of ...