本文介绍了一种新型电容传感器。讨论了它的原理,给出了传感器电容量与被测液位高度之间的关系式。另外,还谈到了这种传感器在水位计中的应用。 This article describes a new type of capacitive sensor. Discusses its principle, and gives the relationship between the capacitance of the sensor and the height of the measured liquid level. In addition, it also talked about the application of this sensor in the water level gauge.