Abstract: Combined with the application practice, this article introduces the basic composition of the sliding micrometer and its working principle in deformation monitoring system. After a detailed description of installation, observation, data compilation and maintenance of the sliding micrometer system, the article gives some experience and suggestions for the safety monitoring in hydropower project.

Key words: sliding micrometer, principle, installation, calibration, observation, data compilation, maintenance

摘要： 结合滑动测微计的应用实践，介绍了滑动测微计变形监测系统的基本组成、工作原理，详细说明了系统的安装方法、观测和资料整理方法及运行维护事项，总结了滑动测微计在水电站工程安全监测中的应用经验，并提出了相关的应用建议。

关键词: 滑动测微计, 原理, 安装, 标定, 观测, 资料整理, 运行维护