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七电极电导率传感器测量电路设计与实现

更新时间:2020-08-20 04:49:10 大小:213K 上传用户:六3无线电查看TA发布的资源 标签:电导率传感器 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(1) 举报

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针对七电极电导率传感器的基本原理和特点进行了阐述,根据传感器本身物理特性以及高精度测量的要求,设计了能够满足低温漂、高精度、速度快的测量电路。采用D/A、A/D等集成电路芯片去实现对传感器的精确驱动和高速采样,相比于传统方式,驱动的频率和电压更加准确,并且容易更改,采用高速采样可以避免信号在调理过程中出现的失真。通过实验验证了电路的测量效果。

The fast and accurate conductivity measurement is of great significance in marine research and envi- ronmental protection. The article describes the basic principles and characteristics of the seven electrode conductivity sensor, and designs a fast measurement circuit with low temperature drift and high accuracy based on of the physical characteristics of the sensor itself as well as the requirements for high-precision measurement. D/A and A/D inte- grated circuit chips are used for precise sensor driving and high-speed sampling. The driving frequency and voltage are more accurate and easier to adjust than those of the traditional circuits, while the high-speed sampling avoids sig- nal distortion in conditioning process. The effect of measurement is verified by exper...

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七电极电导率传感器测量电路设计与实现.pdf 213K

全部评论(1)

  • 2022-05-27 18:31:38hjb130

    感谢楼主,好资料

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