The category, measure principle and construction specification has been introduced in this article, and it analyzed the origin of errors in detail, then pointd out their impact, range and degree, and errors elimination methods based on the features of these errors.%本文简单介绍了浮筒液位计的分类、测量原理及安装规范，对其各种测量误差的来源作出了详细的分析，并针对各种测量误差的特性，指出了它们的作用方式、影响范围及程度，在此基础上提出相应的抑制及消除方法。
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