In the indust ry detection field ,elect ronic digi2 tal indicator has widely broad application ,and an intelli2 gent detection system for elect ronic digital indicator based on 89C51 microcomputer is discussed.

• 在工业检测领域,容栅式数显游标卡尺由于其精度较高、操作方便而被广泛运用,但由于未提供微机接口,且有几种工作模式无法通过卡尺上的控制按钮实现,使其工作效率大为降低。