... voltage systemsCommercial, industrial, utilityPower quality analysisData LoggingFUNCTION LISTFEATURESMeteringVoltage V1, V2, V3, Vlnavg, V12, V23, V31, VllavgCurrent I1, I2, I3, In, IavgPower ... be any of the following 34 ones.F, V1, V2, V3, Vlnavg, V12, V23, V31, Vllavg, I1, I2, I3, Iavg, In ...