HIGH-PRECISION CAPACITANCE BRIDGE FOR DIELECTRIC-CONSTANT GAS THERMOMETRY

被引：0
|
作者：
Fellmuth, B. [1 ]
Bothe, H. [1 ]
Haft, N. [1 ]
Melcher, J. [1 ]
机构：
[1] PTB, Abbestrasse 2-12, Berlin, Germany
来源：
2010 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS CPEM | 2010年
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D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper describes a high-resolution and high-precision autotransformer ratio capacitance bridge that has been built and tested at PTB for dielectric-constant gas thermometry (DCGT). Its main component is a home-made high-precision 1:1 inductive voltage divider (IVD) used in a autotransformer configuration. Special emphasis is given to the estimation of the uncertainty of the determination of small capacitance changes considering correlations.
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页码：101 / +
页数：2
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