基于固定点法的数字温度计测量不确定度分析

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【摘要】采用固定点装置对数字温度计进行校准，能够有效提升校准不确定度水平。本文对基于固定点装置的校准方法进行了描述，并对校准结果的不确定度进行了分析。研究结果表明，采用固定点装置对数字温度计进行校准能够有效提高不确定度水平，有利于高精度数字温度计技术的发展和应用场景的拓展。

【关键词】数字温度计；固定点；不确定度

【DOI编码】10.3969/j.issn.1674-4977.2024.02.070

Analysis of Measurement Uncertainty of Digital Thermometer Based on Fixed Point Method

WANG Haitao

（Liaoning Institute of Measurement， Shenyang 110004， China）

Abstract： The calibration of digital thermometers using a fixed-point device can effectively improve the calibration uncertainty level. This paper describes the calibration method based on the fixed-point device and analyzed the uncertainty of the calibration results. The results show that the calibration of digital thermometers using fixed-point devices can effectively improve the level of uncertainty， which was conducive to the development of high-precision digital thermometer technology and the expansion of application scenarios.

Keywords： digital thermometer； fixed point device； uncertainty

0引言

随着工业生产需求不断增加以及仪表技术水平不断提高，高精度数字温度计在精密测量领域的应用越来越广泛。（剩余2235字）