Non-automatic weighing apparatus is very common in production and life,and its measurement accuracy is very important and closely related to people's interests.Therefore,the precision requirements of non-automatic weighing instruments are extremely strict.However,the non-automatic weighing instrument is easily affected by various factors in the process of use,resulting in errors,which affect the accuracy and objectivity of the measurement results.In this regard,the paper takes electronic valuation scale as an example to analyze the uncertainty of measurement error of non-automatic weighing device.The source of the uncertainty of the measurement error of the electronic valuation scale is explored,and the uncertainty of the maximum allowable error change load and the maximum measurement error of the scale is obtained,in order to provide reference for verification institutions to carry out verification work.
维普
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