适用范围Application

DTS8777、SSB777系列三相电子式电能表用于测量三相四线， 三相三线电能， 它采用高精度宽量程数字化电能计量芯片， 设计结构合理， 具有性能稳定， 可靠性高， 低功耗， 电能表具有使用寿命长，免维护。 提供脉冲输出， 方便用户检测。

DTS8777and SS8777 series three-phase electronic watt-hour meter is used for measuring electric energy at three-phase four-wi「e system and three-phase 

three-wire system, it adopts digital electric energy measurement chip of high accuracy and wide range, has obvious features like reasonable structure, stable performance, high reliab山ty, low consumption, long service life, free maintenance and so on, besides, it provides pulse output to take convenience for detecting.