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压缩天然气加气机作为典型的用于贸易结算的计量器具近些年来在社会上应用越来越广泛,计量检定人员如何能更准确可靠地进行检定和校准工作显得越来越重要,文章就压缩天然气加气机检定过程中阀门开启与标准表清零顺序对误差的影响进行了探讨,对提高加气机的检定准确性具有一定的现实意义。
As a typical measuring instrument for trade settlement, CNG filling machine has become more and more widely used in society in recent years. It is more and more important for metrologists to verify and calibrate more accurately and reliably. The influence of valve opening and zeroing sequence of standard meter on the error of natural gas filling machine during the verification process is discussed, which has certain practical significance for improving the verification accuracy of the filling machine.