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传感器怎么有四根线
更新时间: 2020-11-07 00:00:00  

有些传感器有三根线,有些传感器因为特殊需要则有四根线,这四根线分别代表:棕色为正,蓝色为负,黑色是常开输出,白色是常闭输出。传感器(英文名称:transducer/sensor)是一种检测装置,能感受到被测量的信息,并能将感受到的信息按一定规律变换成为电信号或其他所需形式的信息输出,以满足信息的传输、处理、存储、显示、记录和控制等要求。

关键词: 传感器 怎么

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