摘要
本文介绍了一种电容式液位传感器的工作原理和电路设计的新方法,它通过利用单片的电容/电压信号转换芯片CAV424实现了对电容量简单而准确测量,该变送器具有测量精度高、可靠性好和较高的性价比等优点。
The principle and circuit design method of a kind of capacitance liquid sensor are discussed, which use integrated circuit CAV424 to implement the signal convert from capacitance to voltage simply and accurately. The developed online transducer has such advantages as high accuracy, good reliability and high performance-price ratio.
出处
《传感器世界》
2007年第11期36-39,共4页
Sensor World
