测量仪器分级方案及溯源链实施的若干问题

I. Petryshyn, O. Baş
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引用次数: 0

摘要

这篇文章专门讨论了管理将计量单位从国家一级(国家)标准转移到测量设备工作设施的程序的监管框架的问题。这涉及到需要进一步应用现有的核查方案,从实际应用的角度来看,这些方案已经用尽了,因为它们现在只涉及较低的环节,即待核查的工作计量器具。作者建议,根据现行监管文件,在批准新的国家(国家)实体单位标准时,在包括分级方案方面,补充提交给委员会的文件清单。还详细分析了当前DSTU OIML D 5,以确保层次金字塔各步骤之间的不确定性关系。事实证明,没有必要为了保持既定比率而故意降低标准的计量特性,因为这是一种不合理的方法。例如,作者开发了一种用于测量压力高达1.6MPa的气体介质中气体流量的体积和体积的分级方案,该方案由国家(州)关于压力高达1.6 MPa的气体媒介中气体流量和体积单位的主要标准领导。作为分层方案的实际实施,Pasichna校准装置的可追溯链已经得到了证明,其校准程序使用雷诺数平衡法进行。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Some Aspects of the Implementation of Hierarchical Schemes and Traceability Chains of Measuring Instruments
The article is devoted to the problematic issue of the regulatory framework governing the procedure for transferring units of measurement from the state primary (national) standards to the working facilities of measuring equipment. This concerns the need for further application of existing verification schemes, which have exhausted themselves from the point of view of practical application, since they now concern only the lower link, that is, working measuring instruments to be verified. The authors proposed, in accordance with the current regulatory documents, to supplement the list of documents submitted to the commission when approving new state (national) standards of physical units in terms of including hierarchical schemes. The current DSTU OIML D 5 was also analyzed in detail, in terms of the need to ensure the uncertainty relations between the steps of the hierarchy pyramid. It has been substantiated that there is no need to deliberately degrade the metrological characteristics of the standards in order to maintain the established ratio, since this is an irrational approach. For example, the authors have developed a hierarchical scheme for measuring the volume and volume of gas flow in a gaseous medium at a pressure of up to 1.6 MPa, which is headed by the National (State) primary standard for units of volume and volume flow of gas in a gaseous medium at a pressure of up to 1.6 MPa. As a practical implementation of the hierarchical scheme, the traceability chain of the Pasichna calibration unit has been demonstrated, the calibration procedure of which is carried out using the Reynolds number balancing method.
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