Thread: Tube Tester
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  #30  
Old 02-15-2019, 06:26 AM
Marvinsweno Marvinsweno is offline
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Default Tube Tester

Not a good idea testing an 00 or 00A on Hickok tube tester. B voltage is high and will cause the gas to ionize while under test. Tube will fail on this tester.

I have picked up usable 00 & 00A tubes from dud boxes because of this testing,

These tubes will read on emission testers but dont keep them under test very long.. Causing gas to ionize will damage tubes over time.
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