本文报导利用微计算机控制微参比电极在金属表面自动扫描,实验数据的采集存贮、平滑处理和各种电位分布图的显示和记录。其特点是:扫描测量和数据采集速度快,信号测量精度高,各种电位分布图形清晰直观;数据既可实时处理,也可存贮以便事后处理和分析;扫描测量面积和区域能任意调整,可在指定的区域内反复扫描,以跟踪观察腐蚀行为的变化。
An apparatus controlled by microcomputer for measuring potential dits- tribution on metal surface immersed in an electrolyte has been established. The functions of the measurement system include scanning of microelectrode, acquiring and smoothing of experimental data and displaying of three kinds of potential distribution maps on the plotter. The apparatus has high sensitivity and clear potential distributiaon patterns and is convenient to beused.It is very useful for measuring the electrechemical inhomogenity on metal surface and for monitoring localized cor-rosion.
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