... multifunction meter 1.panel meter 2.high sensitivity 3.high quality DC/AC multifunction meter Description Multifunction Electric Power Meter integrate ... protocol. SpecificationParameter Input voltage displayNetwork3 phase 3 line,3 phase 4 line Voltage Rated voltageAC100V,400V ... accuracy rate1 classDisplayProgrammable, switching, circular two, three, or four rows LED display PowerOperation rangeAC/DC ...