简单介绍了自主开发的原油智能计量系统以及温度、压力、流量变送器的原理、选型原则,重点介绍了它们在原油智能计量系统中的应用方法,并给出了测量数据。经实践证明该方法是可靠的,保证了系统的准确度要求,使得系统取得了巨大的经济和社会效益。 关键词:传感器; 原油计量; 自动测试 Abstract : The independently developed system of crude oil ,intellegent measurement and the theory of tempera2 ture , pressure and flux transmitter and foundation of selecting type are introdnced. The application method in thesystem of crude oil intellegent measurement is focnsesed on. The measured data ispresented. It is verified throughthe practice that this method is reliable and ensures the accuracy requirement so that the system gains the large e2 conomic and social benefit . Key words :sensor ; measurement of crude oil ; automated testing