| 工业铂电阻精确测温的方法 |
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| 引用本文： | 朱育红.工业铂电阻精确测温的方法[J].中国测试技术,2007,33(4):50-52. |
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| 作者姓名： | 朱育红 |
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| 作者单位： | 中国测试技术研究院,四川,成都,610021 |
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| 摘 要： | 工业铂电阻具有测温准确，稳定性好等优点。但在实际使用中许多A级铂电阻测温准确度并不高，这主要是因为分度表的选用不当造成的。为满足高精度测量的要求，我们研究了铂电阻的测温特性，给出一种铂电阻精确测温的方法：通过校准确定铂电阻的测温特性，用特性公式计算温度。该方法具有较强的实用性、推广性。
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| 关 键 词： | 工业铂电阻 分度表 测温特性 测温准确度 测量方法 |
| 文章编号： | 1672-4984（2007）04-0050-03 |
| 修稿时间： | 2006-12-122007-03-05 |
An accurate measurement method for platinum resistance |
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| ZHU Yu-hong.An accurate measurement method for platinum resistance[J].China Measurement Technology,2007,33(4):50-52. |
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| Authors: | ZHU Yu-hong |
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| Affiliation: | National Institute of Measurement and Testing Teehnology, Chengdu 610021, China |
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| Abstract: | PRT has many merits such as high measurement accuracy, good stability and so on. However, the accuracy of grade a PRT is not high enough because of the indexing table. For contenting the demands of highly accuracy measurement fields, the author studied the temperature characteristics of PRT and suggested a method of improving the measurement accuracy of PRT by measuring temperature according to the characteristics formula of PRT. This method is practical. |
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| Keywords: | Industrial PRT Indexing table Measurement accuracy Temperature characteristics Method of measurement |
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