| 参考级直流标准电压源自动校准系统 |
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| 引用本文： | 李晶晶,王乾娟,孙智,金海彬,罗春妹,黄文钰.参考级直流标准电压源自动校准系统[J].计量学报,2020,41(3):306-310. |
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| 作者姓名： | 李晶晶 王乾娟 孙智 金海彬 罗春妹 黄文钰 |
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| 作者单位： | 北京东方计量测试研究所,北京 100086 |
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| 摘 要： | 针对参考级直流标准电压源范围宽、指标高,校准流程复杂的问题,研制了一套基于程控低热电势开关矩阵的参考级直流标准电压源自动校准系统。介绍了系统的组成、低热电势开关矩阵的研制、参考级直流标准电压源的校准方法,并对系统进行了不确定度评估,经评定直流电压100V不确定度达到2×10-6(k=2)。
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| 关 键 词： | 计量学 直流电压源 开关矩阵 自动校准系统 不确定度 |
Automatic Calibration System of Reference Level DC Standard Voltage Source |
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| LI Jing-jing,WANG Qian-juan,SUN Zhi,JIN Hai-bin,LUO Chun-mei,HUANG Wen-yu.Automatic Calibration System of Reference Level DC Standard Voltage Source[J].Acta Metrologica Sinica,2020,41(3):306-310. |
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| Authors: | LI Jing-jing WANG Qian-juan SUN Zhi JIN Hai-bin LUO Chun-mei HUANG Wen-yu |
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| Affiliation: | Beijing Oriental Institute of Measurement and Test, Beijing 100086, China |
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| Abstract: | To calibrate high precision voltage source and simplify its calibration process,based on programmed low thermal potential switch matrix,an automatic calibration system for reference DC standard voltage source was developed.The composition of the system,the development of the low thermal potential switch matrix and the calibration method of the reference level DC standard voltage source were introduced.The uncertainty of the calibration system was also evaluated with DC voltage 100 V reaching 2×10-6(k=2). |
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| Keywords: | metrology DC standard voltage source switch matrix automatic calibration system uncertainty |
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