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pz-g61n光电传感器怎么检测好坏

更新时间: 2021-01-31 01:02:17     

1、光电感应器和接近开关,都可以通过万用表来测量好坏。

2、可以把它们当一个光电三极管,打在1K档,黑表笔接信号,红表笔接0V。接近光源时,电阻值会降底(相当于导通)。离开光源时,电阻值变大(相当于截止)。当然,如果是负逻辑的,电阻值情况会相反。

3、如果电阻值没有变化,基本可以判定是坏了。

关键词: pz g61n 光电 传感器 怎么 检测 好坏

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