In this video, I did a teardown of UNI-T's UT8806E, a 6 1/2 digit or 2,000,000 counts bench multimeter. High resolution teardown pictures: http://www.kerrywong.com/2024/10/12/uni-t-ut8806e-6-1-2-digits-benchtop-multimeter-teardown-pictures/ Please also checkout my previous review video of this meter: https://youtu.be/8Y2kGFLVZts
https://youtu.be/W1ovSmZNTGA
00:00 Teardown, fuse compartment
02:03 Main PCB, front panel PCB
03:23 Back panel, overall layout
04:02 Main PCB deep dive
06:00 Switching regulators?
07:42 FPGA, misc ICs
08:24 Bodge wire spotted
08:54 Guarding, voltage divider
09:38 ADC,voltage reference and true RMS converter
11:20 Odd Isolator combo, input protection
13:05 Reverse side of the PCB, conclusions