热电偶冷端修正温度的选择 |
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引用本文: | 阮圣奇,邵国伟,李永玲. 热电偶冷端修正温度的选择[J]. 安徽电力, 2011, 0(2) |
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作者姓名: | 阮圣奇 邵国伟 李永玲 |
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作者单位: | 安徽电力科学研究院;煤炭科学研究总院重庆研究院;中国科学技术大学; |
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摘 要: | 热电偶测温中应注意合理地选择冷端修正温度,否则会得出错误的测量温度和结果。通过对热电偶冷端修正的原理以及错用冷端修正温度产生误差的讨论和分析,给出了误差估计的方法,最后以某数采设备为例来说明上述分析结果。
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关 键 词: | 热电偶 测量 冷端温度 误差 修正 |
The Choice of Thermocouple Cold End Compensating Temperature |
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Abstract: | The cold end compensating temperature must be selected reasonable in the measurement of the thermocouple,and wrong temperature will be got while wrong compensating temperature is selected.This article discusses mainly principle of the thermocouple cold end compensating and error if use the wrong cold end temperature,and gives estimate method for error,and this conclusion is verified by a data acquisition equipment. |
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Keywords: | thermocouple test cold end temperature error compensate |
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