Research on automatic measuring system based on video graduation technology

In this paper, an automatic measuring system for onto magnetic altitude of the electric energy meter based on video graduation technology is introduced. The image of onto magnetic altitude is gathered by CMOS (Complementary Metal-Oxide Semiconductor), which is transformed into a gate signal by video graduation technology, and be sent into MCU to analyze and process. At last, the testing results and analysis results are displayed on the screen. The principle of the dynamic video vertical line, the video measuring method of electric energy meter´s onto magnetic altitude, the design of hardware and software are given in this paper. The experimental results show that the presented method in this paper can increase the precision of detection system, and the measuring results are satisfying.