电子天平检定的影响因素分析及其示值误差测量的不确定度评定

电子天平作为一种便捷灵敏、高精准度的精密仪器,是量值传递的重要计量器具之一,其计量性能的准确性对测量结果起着关键作用。该文结合国家发布实施的JJG 1036—2022《电子天平检定规程》和JJF 1059.1—2012《测量结果不确定度评定与表示》,探索影响电子天平检定的各种因素,分析电子天平计量检定结果中示值误差测量结果不确定度分量的主要来源,给出电子天平示值误差的不确定度评定。

As a convenient,sensitive and high precision instrument,electronic balance is one of the important measuring instruments for value transmission,and the accuracy of its measurement performance plays a key role in the measurement results.This paper combines the verification regulation of JJG 1036-2022"Electronic Balance"and JJF 1059.1-2012"Evaluation and Expression of Uncertainty in Measurement",explore various factors that affect the verification of electronic balance,analyze the main sources of uncertainty components of indication error in measurement verification of electronic balance,and give the evaluation of uncertainty of indication error of electronic balance.