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适用范围 Application

DDS2121单相智能表系我公司研制开发的单相全电子式电能表。该表性能符合 GB/T17215.321-2008 国家标准和标准 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 LCD 液晶显示总用电量；具有可靠性好、体积小、重量轻、外形美观、安装灵活方便等特点。

Model DDS2121 single phase electronic DIN rail active energy meter is a kind of new style single phase two wire active energy meter, it adopts micro-electronics technique, and imported large scale integrate circuit,uses advanced technique of digital and SMT techniques,etc. The meter completely accords with relevant technical requirements of class 1 single phase active technical requirements of class 1 single phase active energy meter stipulated in international standard IEC62053-21. It can accurately and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net, This meter has seven 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.