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第四章 热电式传感器 PowerPoint PPT Presentation


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第四章 热电式传感器. 热电偶 热敏电阻 温敏可控硅 集成温度传感器 特种温度传感器 温度传感器的典型应用. 温度是表征物体冷热程度的物理量。它反映物体内部各分子运动平均动能的大小。 温度可以利用物体的某些物理性质(电阻、电势等)随着温度变化的特征进行测量。 测量方法按作用原理分接触式和非接触式。接触式传感器接触温度场,二者进行热交换(热电偶、热电阻温度传感器),测温范围在 -250 —— 1800 度,适用于远距离多点测量。.

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第四章 热电式传感器

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