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The Uncertainty of Temperature Measuring System Based on Thermocouple
Author(s): 
Pages: 19-20
Year: Issue:  1
Journal: ADVANCED MEASUREMENT AND LABORATORY MANAGEMENT

Keyword:  温度测量热电偶测量不确定度;
Abstract: 长度实物标准器(如量块、线纹尺等)的高精度测量装置中对温度的控制和测量十分重要,在较小的温度变化范围内,采用热电偶结合铂电阻温度计的测量方法实现了温度的精确测量.本文详细叙述了该系统温度测量不确定度的来源及大小,最后得出温度测量的扩展不确定度小于5mK.
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