... detailed description:Harmonic Power Analyser: Outstanding flexibility and accuracy designed to measure all electric parameters (3V, 3I, IN,3P, 3Q, ... in single and three phase system. It offer RS485 serial to link with PLCs, PCs, and SCADA systems. There more much ... optional functions such as TOU, SOE, 31st harmonics analysis to meet the most demanding application of electrical parameters analysis and ...