本出版物介绍了旋转式气体位移计的基本操作标准、坚固耐用的结构和可接受的性能。这项工作是多年经验的结果，并辅以广泛的研究。本标准旨在满足有效使用旋转位移计的最低设计、材料、性能和测试要求。

This publication presents a basic standard for operation, substantial and durable construction, and acceptable performance for rotary-type gas displacement meters. This work is the result of years of experience that has been supplemented by extensive research. The standard is intended to meet the minimum design, material, performance and testing requirements for efficient use of rotary displacement meters.