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Varian 860 cold cathode controller


 

I have a dead varian 860 cold cathode controller for a vacuum gauge. It got shorted out inside and I’m not sure I can fix it (replacing one burned out resistor didn’t suffice) and I’m not sure of my ability to track down and fix anything else that blew out also.

Anybody have a good one they’d like to sell? The 860A would probably work, too.

Guy in cold & cloudy DC