A leak detection and positioning system of oil pipeline based on dynamic pressure transmitter is designed, and the system composition and testing principle are specified.
设计了一套基于动态压力变送器的输油管道泄漏检测与定位系统，阐述了其系统组成和检测原理。
The mathematical models of differential pressure transmitter of force-balanced type are presented. The general method of dynamic analysis of the instrument is discussed.
本文建立了力平衡式差压（压力）变送器的数学模型，论述了此仪表动态特性分析的一般方法。
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