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热电阻工作原理
更新时间: 2020-11-10 00:00:00  

1、热电阻的测温原理是基于导体或半导体的电阻值随温度变化而变化这一特性来测量温度及与温度有关的参数。热电阻大都由纯金属材料制成,目前应用最多的是铂和铜,现在已开始采用镍、锰和铑等材料制造热电阻。

2、热电阻通常需要把电阻信号通过引线传递到计算机控制装置或者其它二次仪表上。

关键词: 电阻 工作 原理

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