1. 96X96MM specification 2. AC combined digital meter. Model: YD4PQH-9X4Technical parameterPerformanceParameterNetwork3 phase 3 line,3 phase 4 line Voltage Rated voltageAC100V,400V(please ... measurement, active poweraccuracy rate0.5 class, reactive power accuracy rate0.5 classDisplayProgrammable, switching, circular two, three, or four rows LED display Operation ...