Aspects of Application and Calibration of a Binary Compensation Unit for Cryogenic Current Comparator Setups

被引：17
|
作者：
Drung, Dietmar [1 ]
Goetz, Martin [2 ]
Pesel, Eckart [2 ]
Barthelmess, Henry J. [3 ]
Hinnrichs, Colmar [3 ]
机构：
[1] PTB, D-10587 Berlin, Germany
[2] PTB, D-38116 Braunschweig, Germany
[3] Magnicon GmbH, D-22397 Hamburg, Germany
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2013年 / 62卷 / 10期
关键词：
Bridge circuit; calibration; electrical resistance measurement; precision measurement; superconducting device; RESISTANCE; BRIDGE;
D O I：
10.1109/TIM.2013.2259112
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：
We have developed a binary compensation unit for balancing measurement bridges with cryogenic current comparators (CCCs) commonly used in resistance metrology. We present the basic design ideas for the new microcontroller-operated module. It offers balance over a gapless range of resistance ratios of the resistors to be compared. The binary setup allows for convenient calibration when being combined with a binary CCC. The calibration can be performed using the CCC's control electronics and software. Examples of measurements demonstrate the unit's high flexibility and stability of resistance calibration well below one part in 10(9) over a period of 21 hours.
引用
收藏
页码：2820 / 2827
页数：8
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