通过对称重传感器的技术应用到流量仪表现场计量测试检定，本文对移动式流量标准装置工作原理、组成、测量方法、检定、校准结果的测量不确定度评定；标准不确定度分量估计和函数的建立；各标准不确定度分量的计算；对现场流量仪表的在线检定提供了实际使用的依据，并为标准的建立提供了数学模式。%The weighing sensor technology is applied to the flow meter field testing and measurement. This article mainly explains the principle of the mobile flow standard device and composition, the measuring method, the measurement verification or calibration results of uncertainty, the estimation of the standard uncertainty components and the function establishing, the calculation of standard uncertainty components. It not only provides the actual usage of the online verification of the field flow meter, but also provides a mathematical model of the standard establishment.
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