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/ex...

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

Forum: https://www.eevblog.com/forum/blog/ee...

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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