天气预报 > 其他 > 浮球液位开关如何设置报警点
浮球液位开关如何设置报警点
更新时间: 2020-07-15 00:00:00  

利用浮球液位开关的高位常开触点,一端接电源一极,另一端接电铃(或灯泡)再接电源另一极。当液位高时,实现高位报警。同理,利用浮球液位开关的低位常开触点,一端接电源一极,另一端接电铃(或灯泡)再接电源另一极。当液位低时,实现低位报警。

关键词: 开关 如何 设置 报警点

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