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天空流星
SZ-CL
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樓主  發(fā)表于: 2013-03-25 17:23
要做個(gè)電熱絲的PID溫度控制，把電熱絲的溫度控制在正負2度之內
請教下有什么方法
電熱絲溫度在100度以下，是拉直的一根細絲長(cháng)度300mm到500mm按不同產(chǎn)品有變化
阻值和加的電壓還不確定
deliang_tan
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1樓  發(fā)表于: 2013-03-26 17:10
樓主是要控制電熱絲的表面溫度，要用非接觸式的測溫方法，試試紅外線(xiàn)的，不過(guò)光點(diǎn)可能不好對，要做實(shí)驗才知道。
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