Thread: The "Sussex" Homebrew Valve Tester.
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Old 15th Nov 2019, 12:48 pm   #1541
Electronpusher0
Nonode
 
Join Date: Jun 2016
Location: Bognor Regis, West Sussex, UK.
Posts: 2,300
Default Re: The "Sussex" Homebrew Valve Tester.
I think I have answered my own question, if the heater supply is referenced to 0V then the heater cathode s/c LED will light in the insulation test.

Peter
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