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Dave checks the Dallas DS1220Y chip in the Prema 6047 7.5 digit multimeter to see if the battery is dead, and if the calibration constants have been lost. ROM is here: Previous video: Forum: / EEVblog Main Web Site: EEVblog Amazon Store: Donations: Projects: Electronics Info Wiki: Теги: Multimeter,prema,prema 6047,prema 6048,hex editor,nvram,dallas,battery backed,calibration,7.5 digit,8.5 digit,8 1/2 digit,7/5 digit,bench multimeter,metrology
