3极液位传感器工作原理

3极液位传感器工作原理

英文回答：

A three-electrode liquid level sensor works by measuring the capacitance between three electrodes immersed in the liquid. The electrodes are typically arranged in a vertical stack, with the common electrode at the bottom, the sense electrode in the middle, and the reference electrode at the top. As the liquid level rises, the capacitance between the sense electrode and the common electrode increases, while the capacitance between the sense electrode and the reference electrode decreases. This change in capacitance can be detected by a microcontroller, which can then convert it into a liquid level measurement.

The three-electrode liquid level sensor has several advantages over other types of liquid level sensors. First, it is relatively insensitive to changes in the liquid's conductivity. Second, it is not affected by the presence of foam or bubbles in the liquid. Third, it can be used to

measure the level of liquids in a wide range of containers.

中文回答：

三极液位传感器工作原理。

三极液位传感器的工作原理是测量浸入液体的三个电极之间的

电容。这些电极通常垂直排列，公共电极在下部，感应电极在中部，参考电极在上部。随着液位的上升，感应电极和公共电极之间的电

容增加，而感应电极和参考电极之间的电容减少。微控制器可以检

测到电容的这种变化，然后将其转换为液位测量。

三极液位传感器的优势。

三极液位传感器比其他类型的液位传感器有几个优点。首先，

它对液体电导率的变化相对不敏感。其次，它不受液体中泡沫或气

泡的存在的影响。第三，它可以用于测量各种容器中的液体量。