Here's an interesting discussion and ideas on the Miller Forum:
https://forum.millerwelds.com/forum/...ency-questions
I got my first TIG setup a few months ago and the MFG manual warns about keeping
the power source line as short as possible along with several suggestions and warnings for reducing EMF exposure.
Found this web site discussing various EMF sources and meters.
https://www.emfanalysis.com/emf-meters/
Amazon has EMF absorbing fabric if you want to make a protective shirt or jacket or ??
Search for "Unfinished Silver Fabric for Earth Connection/Grounding"
If it were me, I would find a local tech school and get some free labor in exchange for some old ford and fabricating knowledge.