The guru of analog meters is a man named Bob Larson, of Larson Metercraft. 800-988-9231, in Santee, CA, NE of San Diego. If anyone can fix them or find replacements, it's Bob. Mike Patton, owner, Michael Patton & Assoc. 12231 Industriplex Blvd, Ste C, Baton Rouge, LA 70809 225-752-4189 ofc 225-266-9745 cell www.michaelpatton.com