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[AMPS] MEASURING FILAMENT VOLTAGE

To: <amps@contesting.com>
Subject: [AMPS] MEASURING FILAMENT VOLTAGE
From: 2@vc.net (2)
Date: Mon, 22 Oct 2001 08:45:07 -0700
>
>> I'm not sure if this has been brought up before, but wouldn't the best
>> way to get a truly accurate reading of filament volts on a glass tube
>> like a 4-1000 would be to solder small wires directly to the filament
>> pins and run them to an accurately calibrated AC voltmeter? 
>
>Normally you can just measure at the socket pins, if the socket 
>has noticeable drop you need to change it or repair it anyway.
>
>If you want to temporarily measure at the pins, pull the tube. Use 
>teflon wire-wrap wire like from Radio Shack, and wrap a stripped 
>end tightly around the pins at the tube base end of the pins.
> ... ... 
//   Wire-wrap wire is designed to work with wire-wrap terminals, which 
are square,  The sharp corners of the square terminal pierces the 
insulation and contacts the conductor.    If the tube's pins are square, 
Mr. Rauch's suggestion should work well.  

cheers

-  R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.  
end


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