Well yah, I would use a digital one though. You can put them anywhere really they are wired in paralell. I would get one that goes up to 150 v or so and put it right on the welder output. but its not a big deal anyway. its easy to just get a feel for it. with tig your using your foot on demand. so its all feel.
I got the schematic done and here it is...
Last edited by Travis Rankin; 01-04-2006 at 06:36 PM.