I developed a dedicated anti-Meter DC current transformer has been exported to the United States, Italy and other countries.
我公司研制的电表专用抗直流电流互感器已远销美国、意大利等国家。
This paper describes the system structure and working principle, to build a DC mV meter hardware and software system design of data acquisition and processing and display part of the process.
本文阐述了系统的结构和工作原理，搭建了直流毫伏表的硬件电路，并设计了软件系统中的数据采集处理和显示部分的程序。
As the frequency of the AC component increases, the DC meter response decreases, until at some frequency only the average input voltage will be displayed.
当交流分量的频率增加时，直流仪表的响应就会变得不够快，直到在某一频率时，仪表只能显示出输入电压的平均值。
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