0.01级数字气压计测量结果的不确定度评定  

Evaluation of Uncertainty in Measurement Result of 0.01 Level Digital Barometer

作　　者：刘洪涛 邬昀[1] 龚熙[1] LIU Hong-tao;WU Yun;GONG Xi(Hubei Meteorological Information and Technology Support Center,Wuhan 430074,China)

机构地区：[1]湖北省气象信息与技术保障中心

出　　处：《自动化与仪表》2019年第8期69-72,76,共5页Automation & Instrumentation

摘　　要：0.01级数字气压计是数字气压计的最高等级,可以作为计量标准检定0.03级及以下的数字气压计,对0.01级数字气压计的精确测量非常必要。测量不确定度用来表征测量结果的质量。依据国家计量检定规程JJG1084-2013《数字式气压计》和计量技术规范JJF1059.1-2012《测量不确定度评定与表示》,用0.005级的气体活塞式压力计对数字气压计进行检定,分析了测量不确定度的来源,对各不确定分量进行了详细的评定,给出了示值误差的不确定度,并进行了检定结果的验证。The 0.01 level digital barometer is the highest level of the digital barometer.It can be used as a measurement standard and verify the digital barometers of level 0.03 and Below.It is very important to be measured the 0.01 level digital barometer accurately.Uncertainty in Measurement is used to characterize the quality of measurement results.According to the national regulation for verification“JJG1084-2013Digital Barometers”and metrology technology regulation“JJF1059.1-2012 Evaluation and Expression of Uncertainly in Measurement”,the 0.01 level digital barometer is verified by the 0.005 level gas piston.The sources of measurement uncertainty are analyzed.The uncertain components are evaluated in detail.Uncertainty of the error of indication is given.The verification results is verified.

关 键 词：数字气压计 不确定度 示值误差 测量结果 

分 类 号：TB935[一般工业技术—计量学] TH823[机械工程—测试计量技术及仪器]