双光路光纤探头式浓度检测系统

本文介绍了一种双光纤探头式浓度检测系统的工作原理和结构设计。该系统利用双光路比较电压的测量和单片机控制的数据处理系统进行浓度的实时性测量。实验结果表明，该系统具有精度高、速度快等特点，在浓度测试中具有良好的应用前景。

Optical fiber sensor concentration detection system with double optic circuits

In this paper,the operation principle and design idea of optical fiber sensor with double optic circuits are introduced,which are used to measure liguid density.Double opfic circuits comparing voltage and single plate computer controlling data are adopted in this system.The experimental results show that it has high accuracy,fast speed and very promising.