Power and Harmonics Analyzer PROVA-6830A Series 1). ... option 2).Optical isolated USB Interface PROVA-6830A Series Power and Harmonics Analyzer (100A;1000A;3000A) Analysis for 3P4W, ... Value (V 123 and L 123 ) Active Power (W, KW, MW, GW) Apparent and Reactive Power (KVA, KVAR) Power Factor (PF), Phase ... 1mA to 3000A, Capable of Analyzing IT Standby Power Consumption to the Maximum Demand of a Factory ...