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基于水三相点的温度计量器具核查装置的研究与应用(PDF)

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

Title:: Research and application of temperature measurement verification device based on water three-phase point

Author(s):: ZHAO Quanqin; YANG Min; SHEN Zhen; ZHANG Zheng; ZOU Chao; WANG Bingmei; (Jiangsu Meteorological Observation Centre, Jiangsu Nanjing 210019 , China)

Keywords:: temperature measurement; water triple point; period verification; control charts

摘要:: 地面气象数据观测自动化水平、空间密度、时间密度的提高，对自动气象站传感器的计量、核查工作提出了更高的要求。由于计量标准器具实际使用的复杂性，并不能保证其在相邻两次检定/校准过程中计量性能始终维持在准确范围内。因此，以温度计量器具期间核查为例，构建一套水三相点稳定核查装置，利用休哈特控制图对省级二等标准铂电阻温度计在水三相点处实施期间核查，得出省级计量实验室二等标准铂电阻温度标准器均核查通过的结论，并通过高一等级标准铂电阻温度计验证核查结论。基于二等标准铂电阻在水三点期间核查的实验数据得出了水三相点瓶保存及测量的最佳时间，相关数据也可作为计量标准稳定性考核的依据。

Abstract:: The improvement of the automation level, space density and time density of surface meteorological data observation puts forward higher requirements for the measurement and verification work of automatic weather station sensors. Due to the complexity of the measurement standard instrument used in practice, its metrological performance cannot be guaranteed to remain accurate during two consecutive verification/calibration processes. Therefore, taking the period verification of temperature measuring instruments as an example, a set of water triple point stability checking device is constructed. Check the provincial second-class standard platinum resistance thermometer at the triple point of water by using Shewhart control chart. After undergoing testing and calculations, the second-class standard platinum resistance temperature standard in the provincial metrology laboratory has successfully passed verification. This conclusion is also supported by the verification results of a high-grade standard platinum resistance thermometer. Based on the experimental data of the second class standard platinum resistance during the water triple point period verification, the optimal time for the storage and measurement of the water three point bottle is obtained. The relevant data can also be used as the basis for the stability assessment of measurement standards.

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备注/Memo:: 收稿日期：2024-01-19基金项目：江苏省气象局面上项目（KM202404）第一作者：赵泉钦（1988—），女，汉族，江苏连云港人，硕士研究生，高级工程师，研究方向为气象仪器计量检定。

更新日期/Last Update: 1900-01-01