DDSD858/DTSD858 series three-phase electronic multi-function energy meter adopts large scale integrated circuit,digital sampling process technology and SMT manufacture. And it conforms to standard of IEC 62053-21-2003,IDT,IEC 62053-61-1998 and IEC 62053-22-2003,IDT.
This meter can measure active,reactive electricity and max needs of each direct, and also has dual-485 communicate,manual and infrared weak up when power-off. And it has stable characteristic,convenient operate.