Three Phase Digital Phase Meter 1.measure AC voltage,current,phase,frequency,phase sequence,power 2.Upload Data:RS232 ETCR ... 4400 Three Phase Digital Phase Meter Features:Simultaneously measure three- ... V~600V, Active Power: 0.0W~12kW, RS232 inferface, Data Storage: 500 sets. .Technical Specification FunctionSimultaneous measurement of three ...