As a welder of 10+ years. Get a new Miller TIG. As far as Volts & Amps Most Welding suppliers will have a Person that will look at what type of welding you are going to do & Recomend the type of gas flow meters & what size & type welder will best suit your needs. Most of the suppliers will be honest & not sell you something you do not need becouse they want you as a customer for Gas,shields, gloves,fill rod & So forth.
Just remember Tig is a high heat type welder. Yes you can focus it very fine & you can run it "cold" but it works better at the proper settings. Be Careful not to warp your metal.
