基于固定点法的数字温度计测量不确定度分析  

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

作　　者：王海涛 WANG Haitao(Liaoning Institute of Measurement,Shenyang 110004,China)

机构地区：[1]辽宁省计量科学研究院,辽宁沈阳110004

出　　处：《品牌与标准化》2024年第2期233-235,共3页

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。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.

关 键 词：数字温度计 固定点 不确定度 

分 类 号：TH811[机械工程—仪器科学与技术]