针对生产设备中的流化状粉料量的检测与变送问题，介绍了一种新型电容式传感器LFC的组成原理，电路设计及其特性测试结果。实际应用中，性能良好，切实可行

A New Type of Capacitor Sensor for the Detection of Fluid Powder Zhao Fengjin; Shun Xiaoming (Assoc. Prof.,Institute of Mechanical & Electric Engineering, WUT, Wuhan 430070, China.) In view of the detection and signal-transforming of fluid powder in plant devices, a new type of capacitor sensor-LFC is presented in this paper. The composed principles,circuit design together with measured characteristic are dilated on,too. It proves to be of good performance in practical applications. fluid powder; loop diode bridge circuit