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根据仪器仪表在运行过程中的记录曲线来判断其工作情况及控制系统故障的方法,称为记录曲线法。这种方法可检查判断仪器仪表及控制系统的情况,如仪表灵敏度的高低,有无受外界强磁场干扰,滑线电阻触点是否接触良好等。该方法特别适于在现场应用。现以圆图型测温记录仪表在应用中的几种典型记录曲线(见下图)为例,分析判断如下。
According to the instrumentation in the course of the operation of the recording curve to determine its work and control system failure method, called the recording curve method. This method can check the instrument and control system to determine the situation, such as the level of instrument sensitivity, with or without external magnetic field interference, slip resistance contacts are in good contact. This method is particularly suitable for on-site applications. Now the circular chart temperature logging instruments in the application of several typical record curve (see below), for example, the following analysis.