... to measure DC current, voltage & AC current, voltage, frequency and phase power. ANNAI panel meter can measure the current, voltage frequency ... . The construction is made of electromagnetic measurement mechanism and electronic transfer .automobile, generator, handling of foul water, fire control, safe control and ... φ =0.5-1-0.5100V/5A 220V/5A 380V/5AThree-phase synchronous tableS2.5100V,220V,380/100V