[Amps] Vacuum variable testing?

[Ian White GM3SEK]

Peter Chadwick wrote:
>WA2TAK asked:
>>Is there any easy way to test one/several for vacuum??...<
>A HiPot tester is the usual way. You do need to make sure the outer is 
>clean and dry first, with no finger grease.
>If it's a glass one, then any current limited HV supply will do - they 
>glow a beautiful colour!
>Now, does anyone know where I can get a new vacuum put in one? I have a 
>500pF 15kV 40 amp one that needs a new vacuum....

Abandon hope. Glass-metal or ceramic-metal technology has to be done 
just right, or else something will leak or crack. Often you only get one 
chance to do it right, and many processes are a one-way trip with no 
going back. That makes such things impossible to repair.



-- 
73 from Ian GM3SEK