浮筒液位计是根据阿基米德定律和磁耦合原理设计而成的液位测量仪表，仪表可用来测量液位、界位和密度，负责上下限位报警信号输出。专用于测量压力容器内液位，由四个基本部分组成：浮筒、弹簧、磁钢室和指示器。
文中结合生产实际，分析了将位移式浮筒液位计更改为扭力式浮筒液位计优越性。
Taking the practical production into consideration, the superiority of the replacement of displacement-type float liquid level gauge by torsion-type float liquid level gauge is analysed.
介绍PET装置反应器上使用的电浮筒液位计的结构、原理，并对其典型故障进行在线维修的处理步骤进行了分析。
The structure and principle of electric buoy level gauge used for PET plant reactor was introduced. The on-line maintenance processing steps of the typical fault was analysed.
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