封闭管道中气体流量的测量 涡轮计

[中文适用范围]： 规定了涡轮流量计的尺寸、范围、结构、性能、校准和输出特性。 还涉及安装条件、泄漏测试和压力测试，并提供一系列内容丰富的附录 A 至 E，包括使用建议、现场检查和流体流动的扰动。 在许多国家，所涵盖的部分或全部项目受这些国家法律强制规定的约束。 存在冲突的，以强制性规定为准。 [外文原描述]： Specifies dimensions, ranges, construction, performance, calibration and output characteristics of the turbine meters. Also deals with installation conditions, leakage testing und pressure testing and provides a series of informative annexes A to E including recommendations for use, field checks, and perturbations of the fluid flowing. In many countries, some or all of the items covered are subject to mandatory regulations imposed by the laws of these countries. Where conflicts exist, the mandatory regulations shall prevail.