... interface AvailablePower Consumption100mA, Maximum 100mAMaximum 50mA, Longer battery lifeMeter AppearanceHeavy machine, Rough appearance, Hard operationFine appearance, More fixed structure, Easy ... measurement time0.5 secondResistance measurement frequency>1KHzMeasured current frequency50/60Hz Automatic measurementLow Battery IndicationLow battery symbol displays when battery is lower ...