- Joined
- Jun 21, 2013
- Messages
- 317
The 645 uses a different technology. The 196 is very simple internally, the plunger has a side pin that rides in a hardened steel "thread" that turns the needle(there may be a gear or 2 in between).
The 645 uses, IIRC, the rack and pinion that most dial indicators use, coupled to a lot more gears.
The 645 uses, IIRC, the rack and pinion that most dial indicators use, coupled to a lot more gears.