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热敏电阻的作用

更新时间: 2021-02-15 07:56:15     

1、测温。作为测量温度的热敏电阻传感器一般结构较简单,价格较低廉;

2、温度补偿。热敏电阻传感器可在一定的温度范围内对某些元器件湿度进行补偿;

3、过热保护。当温度大于突变点时,电路中的电流可以内十分之几毫安突变为几十毫安,因此继电器动作,从而实现过热保护;

关键词: 热敏电阻 作用

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