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1、直流数字电压表示值误差的测量结果不确定度TheUncertaintyofMeasurementofthelndicationErrorofDirect-currentMumeralVoltmeter9-9999(?????h???????????/?E????.????????225300)??7???:????:?=???u???????x?????????????????%?=?f????????????????,???x?????g??10V???????????????f??????????????
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9、7h??1????12345678910????(V)91999969199997919999691999969199997919999691999969199997919999691999967?7????l???
10、??r????S=10i=l(Xi-X)n-l=4183??10・6u(Vxl)=Sn=1153??10-6V(2)?S?
11、?0???????c???????????f???????c??u(Vx2)???????????????g?????%10V???y???c?????
12、lOe?V,?%??5e?V???
13、????,?%???
14、?????f???????c?e,???n?A????k=37hu(Vx2)=53e?V=2189e?V?????i???f????,??????(Vx)=(Vx)+(Vx)=
15、31?6V3127???????VN???r???f??????u(VN)??????(1)?r???????,?%???????-???????f???????c???
16、u(VNl)??????VN???r???f??????u(VN)?F???S?r????99?9%9?99?9?g?99?9?9999?D99"7h99999?r?9????9?%???????/??????????,?????%B?????
