Discuss Uncertainty＇s Appreciation Method of Digital MultimeterGE LinGE LinAbstract:According to ‘verification regulation of DC digital voltmeter JJ D315 - 1983＇, the paper takes the example of using digital multimeter evaluation devices to measure its voltage degree, and through 4 aspects of repeated measurement and analysis,indication value resolution, standers uncertainty by devices, and calibration uncertainty as its assessing method.[著者文摘]