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Portable 4-channel electrochemical noise test system

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Abstract

A portable 4-channel electrochemical noise (EN) test system with high precision was developed. The modular instrument cRIO was used as its core and the signal conditioning module included zero resistance ammeter (ZRA), fly line, screening box and shielded wire. The EN data were acquired from two Q235 carbon steel specimens placed in 0.5 mol/L H2SO4 solution and 0.1 mol/L NaCl solution. The experimental result shows that this system can achieve an accuracy of 10 pA and 10 μV, and it can be applied to on-site multi-channel EN test.

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Authors and Affiliations

  1. State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin, 300072, China

    Jian Li  (李 健), Weikang Kong  (孔伟康), Huanjun Zheng  (郑焕军), Li Zhang  (张 力) & Xuewei Mao  (毛雪伟)

Authors
  1. Jian Li  (李 健)
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  2. Weikang Kong  (孔伟康)
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  3. Huanjun Zheng  (郑焕军)
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  4. Li Zhang  (张 力)
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  5. Xuewei Mao  (毛雪伟)
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Corresponding author

Correspondence to Jian Li  (李 健).

Additional information

Supported by the National Basic Research Program of China (“973” Program, No. 2011CB610505) and National Natural Science Foundation of China (No. 61240038).

Li Jian, born in 1973, male, Dr, associate Prof.

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Li, J., Kong, W., Zheng, H. et al. Portable 4-channel electrochemical noise test system. Trans. Tianjin Univ. 20, 144–150 (2014). https://doi.org/10.1007/s12209-014-2223-9

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  • DOI: https://doi.org/10.1007/s12209-014-2223-9

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