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电接点水位计的原理-电接点水位计接线图

时间:2024-01-01 12:06 点击:134 次

1. 电接点水位计的原理

电接点水位计是一种常用的水位测量仪器,通过电接点的变化来测量液体的水位。其原理基于电接点和液体之间的电导性差异,下面将详细介绍电接点水位计的原理。

2. 电接点水位计的结构

电接点水位计主要由电接点、导线、浮子和液体组成。电接点是一种导电材料,常用的有金属和碳化硅等。导线连接电接点和测量仪器,用于传递电信号。浮子则用于浮在液体表面,随着液位的变化而上下移动。

3. 电接点水位计的工作原理

当液体的水位低于电接点时,电接点与液体之间的电导性差异较大,导致电流无法通过,此时电接点处于断开状态。而当液体的水位高于电接点时,电接点与液体之间的电导性差异减小,电流可以通过,此时电接点处于闭合状态。

4. 电接点水位计的接线图

电接点水位计的接线图如下所示:

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