Ultra Precise Multimeter* Datron 4950 Repair** & Analysis
PCBWays precise prototyping service https://pcbway.com/g/Tj5om7 Benchtop DMMs at Welectron https://www.welectron.com/Benchtop_1 More from me sometimes / marcoreps 4950 with delidded resistor networks https://www.eevblog.com/forum/metrolo... Inside axial Vishay foil resistors https://www.eevblog.com/forum/metrolo... Voltage reference module schematic https://xdevs.com/doc/Wavetek/4920M/p... 00:00 Intro 03:37 Teardown 05:08 Digital board 07:24 Current board 09:55 Ohms board 16:05 Front assembly 17:24 AC assembly 24:59 DC main board 32:08 Result :\ #metrology #repair #engineering
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