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适用范围Application

DDSU8777单相导轨式电能表系我公司采用微电子技术与专用大规模集成电路应用数字采样处理技术及SMT工艺等技术研制开发的单相全电子式电能表。该表性能符合GB/T17215.321-2008国家标准和IEC62053-21中1或2级单相电能表的相关技术要求， 可直接精确地测量额定频率为50Hz或60Hz的单相交流电网中有功电能，由步进式机械计数器或液晶显示总用电量；具有可靠性好、体积小、重量轻、外形美观、安装方便等特点。

Model DDSU8777 single phase electronic DIN rail active energy meter is a kind of new style single phase two wire active energy meter, it adopts micr0- electronics technique, and imported large scale integrate circuit, use advanced technique of digital and SMT techniques, etc. It has minimum size, and also a new single phase two wire active energy meter. It has already passed the test of the international authority CE. The meter completely accord with relevant technical requirements of class 1 single phase active energy meter stipulated in international standard IEC 62053-21. It can accurately and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net. This meter has white back light source eight digits LCD monitors shows the active energy power consumption. It has following features: Good reliability, small volume, light weight, specious nice appearance, convenient installation, etc.