电子水准仪是一种非常精确的指示角度偏差的仪器。其高分辨率和快速响应使其成为测量水平表面的平面度和直线度的最实用设备，如机床导轨、平板和仪器平台的对准。从基本操作、在机床上的使用和其他独特应用方面探讨了该级别。提供了这些应用程序的示例，以及其结果的典型演示。

THE ELECTRONIC LEVEL IS A VERY PRECISE INSTRUMENT FOR INDICATING ANGULAR DEVIATIONS. ITS HIGH RESOLUTION AND FAST RESPONSE MAKE IT THE MOST PRACTICAL DEVICE FOR MEASURING THE FLATNESS AND STRAIGHTNESS OF HORIZONTAL SURFACES SUCH AS MACHINE WAYS, SURFACE PLATES, AND ALIGNMENT OF INSTRUMENT PLATFORMS. THE LEVEL IS EXPLORED IN TERMS OF ITS BASIC OPERATION, USE IN MACHINE TOOL AND OTHER UNIQUE APPLICATIONS. EXAMPLES OF THESE APPLICATIONS, ALONG WITH TYPICAL PRESENTATIONS OF THEIR RESULTS, ARE SUPPLIED.