【摘要】 以检定0.1 级指针式直流电流表为例,对各标准不确定度分量进行了分析与测算,得出其扩展不确定度.本文方法可作为直流电流表的高精度检定更多还原

【Abstract】 In order to know the uncertainty of value error of needle DC galvanometer .this paper introduces how to determine the uncertainty and to judge whether the way can determine the precision of the DC galvanometer is less than precision of the DC galvanometer if less then 0.1更多还原