EEVblog 1572 - Haefely 16kV ESD Tester TEARDOWN + Repair Part 1

Teardown and Part 1 repair of a Haefely Trench PESD1600 16kV ESD tester.
If you can help identify the rotary encoder at 25:52 that would be awesome!

Unboxing and testing: https://www.eevblog.com/2023/10/13/exclusive-haefely-esg-gun-unboxing/

Forum thread for the rotary encoder: https://www.eevblog.com/forum/repair/help-finding-rotary-encoder/

Forum: https://www.eevblog.com/forum/blog/eevblog-1572-haefely-16kv-esd-tester-teardown-repair-part-1/

00:00 - Haefely Trench PESD1600 16kV ESD gun
02:09 - The Onyx16. These things aren't cheap...
02:33 - DIY ESD Gun
03:00 - Teardown
04:08 - Probe tips
05:06 - Inside
05:46 - High voltage relay and pulse shape
07:19 - Front panel PCB and ANNOYING construction
08:09 - NiMH battery pack
09:35 - Did I mention the ANNOYING construction?
13:16 - It's OUT!
14:36 - Main PCB soldering
16:56 - This rotary encoder looks SPECIAL
18:13 - Testing the rotary encoder
20:27 - Are you sure I didn't mention the ANNOYING construction?
21:25 - The special snowflake rotary encoder is OUT
25:52 - HELP! Can you identify this rotary encoder?

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