EEVblog #613 - Prema 6047 Multimeter Teardown

Teardown Tuesday.
What's inside a 1980's vintage 8.5 digit multimeter, the 6047 from Prema. Or did Dave diddle himself?
Forum: http://www.eevblog.com/forum/blog/eevblog-613-prema-6047-multimeter-teardown/
EDC Voltage Standard Calibration Check: https://www.youtube.com/watch?v=onqsjDJq4I0
High res photos: http://www.eevblog.com/2014/05/07/eevblog-613-prema-6047-multimeter-teardown/
User manual: http://www.ko4bb.com/manuals/index.php?dir=09%29_Misc_Test_Equipment/Prema
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