Design of Intelligent Conductivity Meter Based on MSP430F149

被引：0
|
作者：
Wei, Yaoguang [1 ]
Wang, Jianqing [1 ]
Li, Daoliang [1 ]
Ding, Qisheng [1 ]
机构：
[1] China Agr Univ, Coll Informat & Elect Engn, Beijing 100083, Peoples R China
来源：
COMPUTER AND COMPUTING TECHNOLOGIES IN AGRICULTURE III | 2010年 / 317卷
关键词：
Bipolar Pulse; Electrical Conduction; MSP430; Temperature Compensation;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
An intelligent conductivity meter based on MSP430F149 microcontroller was proposed in this paper. The intelligent conductive meter was composed by MSP430F149 microcontroller and its peripheral circuits, bipolar pulse excitation circuit and waveform transform circuit. The MSP430F149 was chosen to control the generation of bipolar pulse excitation signal and take temperature compensation. It adopted bipolar pulse excitation signal to avoid the electrode polarization effects. The measurement error generated by the solution temperature fluctuation could be amended by the temperature compensation. It could self- compensation and self-tuning to fit variance solution.
引用
收藏
页码：240 / 247
页数：8
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