差动电荷转移式原油含水率测量仪的研究

Research on water in oil measurements using a differential charge transfer technique

本文介绍利用差动电荷转移法测量小电容变量的原理及特点，在此基础上研制出了具有高分辨率的原油含水测量仪。给出了传感器电路的实验模型及实验结果。

This paper describes the principle of a capacitance variation measurement based on a differential charge transfer technique.With this DCTT technique,a water-in-oil measuring instrument with high resolution and low drift has been developed.The experimental moder of senor's electric circuit and test result are also presented.