k型热电偶输出端串联电阻会改变数值吗？ k型热电偶两根线量电阻有正反吗
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如果要想改变热电偶的输出电压电压，可以用两个电阻分压。
接近零。
如果在工作状态下（一端温度很高），用万用表量阻值时要把表笔对调一下量两次，因为热电势对测量有稍许影响。
施加电流会改变吧 跟电阻无关 没有改变电流
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