... projectSpecific parameterPower supplyAC 90~260V 50/60HzMeasuring objectvoltage,current, power, power consumption,powerfactor,frequency,active energyDimension96H×96W×100LmmDirect input rangeVoltage:0 ... 500V,between terminal points and plastic case)Ambient temperature0~50 C 35~85% RHWeight450g, G.WWelcome to contact us ! ... .LTD With or Without Analog Output , DW9 Three Phase Series Digital Power Meter