[Test-Equipment] What are "cathode jacks" on a tube tester?

[Richard Knoppow]

    I am also puzzled by the language. It appears that you 
measure from either of two jacks to pin three. Are the jacks 
normall shorted, say with a jumper?  Is the polarity of the meter 
specified somehow?. It appears that this test is to confirm the 
panel meter reading but if you adjust the VR knob (whatever that 
is) have you not lost the reference voltage?
    Also, is this tester similar to any of the military testers, 
if it is you may be able to find more service information on it.
    I have a TV-7B/U which is a mil version of a Hickcok tester 
but probably not the same as yours. See
https://www.radiolaguy.com/Showcase/TestEquipment/Military_TV-7%20tube%20Testers.htm
On 6/29/2019 10:35 AM, Doug Hensley wrote:
> Guys,
> 
> I trying to troubleshoot a HICKOK 539x type tube tester and following some pointers being sent to
> me by the pros at AWA.  The next test is to connect my VOM this way:
> 
> " set the selectors for a 6L6 leaving the the rest the same as out last test. Put 1 lead of your multimeter in one of the the cathode jacks at the top of the tester and the other in pin 3 of the octal socket with the meter set for 200 VDC. Remember count counterclockwise on the socket for pin 3. Now press P4 and do the same rotation on the VR knob. Your multimeter should now show the voltage that that we were looking for on the main meter.
> 
> My actual tester is a KS-15750-L1 which looks like the same.
> 
> Could he possibly be calling the pin straightener's 'cathode jacks' ??
> 
> Doug W5JV
> 


-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL