Testing a Thyratron
New one to me. 6K25 tested on an Avo CT160.
Data for 30mA, 100V settings is , under mA/V column 2K ohm. neg grid voltage is undoubtably 4.1V, above that and meter swings below 0 and below 4.1V it swings over fsd. What is the 2K figure, do you have to take and graph out values around the "flash over" point ? -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
Testing a Thyratron
I should say I started with setting of 40V then 60, then 75, 90 and finally
100V. Didn't note it but the -4.1V trigger voltage appeared at 60V , I think, and hardly changed. Just for the archives - as thyratron testing is not very kind to test-sets. I could not decide whether to start with lower current setting , but decided to set at the data criterion of 30mA and vary the anode volts. Switching to test and back as quick as possible to save the meter movement. -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
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