[Boatanchors] tube tester readings

Carl km1h at jeremy.mv.com
Tue Feb 23 19:51:45 EST 2010


Only in Siemens Land (-;  Thankfully all the truly great reference books 
still use the old way.

Carl
KM1H



The term Mhos ( 1/Ohms ) has not been in use in several decades. The Mho was
changed to
The Siemens.

Regards and 73....Price WØRI



>
> Transcoinductance is:
>
> Change in Plate Current / Change in Grid Voltage
>
> The units of measure are reciprocal Ohms (1/Ohms) also called Mhos
>
>
>
>> Ok, this may seem like a duh to some, but on my B&K Dyna-jet tube
>> tester, the meter is scaled numerically from 1-120 but I have no idea
>> what the reference quantity means. The REPLACE-REJECT-GOOD markings
>> are not too much for my small brain. I know this is a mutual
>> conductance tester and I know what that means but have no idea how
>> this scale translates to that.
>>
>> Another unknown is regarding dual section tubes. The chart shows a
>> test 1 and test 2 but no reference in the manual as to which section
>> of the tube is which.
>>
>> Please enlighten me.
>>
>> Thanks and 73, Dick KF4NS
>> St Petersburg, FL 33714 USA
>> Keep The Glow!
>
>
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