... Meter:100A,1000A,3000A for option 2).Optical isolated USB Interface PROVA-6830A Series Power and Harmonics Analyzer (100A;1000A;3000A) Analysis ... for 3P4W, 3P3W, 1P2W, 1P3W True RMS Value (V 123 and L ... 123 ) Active Power (W, KW, MW, GW) Apparent and Reactive Power (KVA, KVAR) Power Factor (PF), Phase Angle ...