Digital sampling setup for calibration of strain gauge bridge calibration unit BN100

被引：0

作者：

Maslan, Stanislav ^{[1
]}

Sira, Martin ^{[1
]}

Skalicka, Tereza ^{[1
]}

机构：

[1] Czech Metrol Inst, Okruzni 31, Brno 63800, Czech Republic

来源：

2018 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM 2018) | 2018年

关键词：

Impedance; inductive voltage divider; voltage ratio; strain gauge;

D O I：

暂无

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 minimalistic, economic, automated, digital sampling calibration setup for calibration of a strain gauge bridge calibration unit BN100 or similar high division ratio dividers. The setup uses impedance divider instead of the IVD as the reference divider. It achieves comparable or better uncertainty for division ratios below 1 mV/V compared to the IVD based methods. For 1 mV/V the expanded uncertainty (k = 2) is 8 nV/V from the input.

引用

页数：2

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