Measurement uncertainty evaluation by kurtosis method at calibration of electrical resistance standards using a comparator

被引：0
|
作者：
Zakharov, I [1 ,2 ]
Botsiura, O. [2 ]
Semenikhin, V [1 ]
机构：
[1] Natl Sci Ctr, Inst Metrol, Myronosytska Str 42, UA-61002 Kharkiv, Ukraine
[2] Kharkiv Natl Univ Radio Elect, Nauky Ave 14, UA-61166 Kharkiv, Ukraine
来源：
UKRAINIAN METROLOGICAL JOURNAL | 2020年 / 01期
关键词：
electrical resistance standard; resistance comparator; calibration; measurement uncertainty; uncertainty budget; kurtosis method; Monte-Carlo method;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The article provides examples of the application of electrical resistance standards in metrological practice. Existing methods for their calibration are analyzed. It is established that calibration using a comparator is the most accurate and common method for calibrating electrical resistance standards. A model for transferring the size of the resistance unit in calibration of electrical resistance standards using a comparator is considered. An expression is given for the evaluation of the value of measurand. The procedure for estimating the expanded measurement uncertainty based on the kurtosis method is described, and the uncertainty budget is drawn up. An example of evaluation of the measurement uncertainty in calibration of the resistance coil P321 using a resistance comparator P3015 is given. The coincidence of the obtained results with those got using the Monte Carlo method is shown.
引用
收藏
页码：12 / 16
页数：5
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