介绍了自主开发的原油在线监测系统的原理以及硬件、软件的设计思路, 取得了满意的效果。 关键词: 自动测试; 原油计量; 传感器; 组态软件 Abstract: The p rincip le and the design idea of the hardw are and softw are of crude o ilmonito ring online system are in2 t roducted. Key words: automated test ing; measurement of crude o il; senso r; SCADA softw are