毛片网站免费_日本强乱中文字幕_欧美日韩福利在线_很黄的美女赤裸裸免费视频_亚洲卡通精品动漫二区三区_午夜國產在線觀看_久久精品人妻综合AV_中文字幕韩国伦理片_波多野结衣资源在线_色欲大肥婆BBBWW情涩网喷水援交

適用范圍 Application

DDS2121單相智能表系我公司研制開發的單相全電子式電能表。該表性能符合 GB/T17215.321-2008 國家標準和標準 IEC62053-21 中 1 或 2 級單相電能表的相關技術要求，可直接精確地測量額定頻率為 50Hz 或 60Hz 的單相交流電網中有功電能，由 LCD 液晶顯示總用電量；具有可靠性好、體積小、重量輕、外形美觀、安裝靈活方便等特點。

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.