高精度砝码质量的测量及不确定度评定

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Abstract：High-precisionweightsareatype weighing instrument withhigh precisionand smallerrors，which are usuallyused inoccasions where therequirements forqualityorweightaccuracyareextremelyhigh，suchasscientific laboratories，pharmaceuticalindustrymetrologyandtesting，andotherfelds.Ensuringtheaccuracyandreliability high-precision weightvalues is greatsignificance inensuringproductqualityandimproving productperformanceand stability.Inthispaper，ameasurementmodel isestablishedforthe measurementprocessE2 standardweights，andthe verificationand extendeduncertaintyare evaluatedaccording tothe verification procedure JJG99-2022，Weights.The verificationresultsshowthattheagreedmass valuethe measuredweight meets therequirementstheregulations，and the extended uncertainty calculation results show that the measurement process is accurate and reliable.

Keywords：weight，mass，measurement uncertainty

1概述

1.1测量依据

JJG99—2022《砝码》。（剩余2986字）