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Hickok 600A meter replacement.



 
 
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Old November 11th 08, 05:04 AM posted to alt.binaries.pictures.radio
Jeffrey D Angus
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Posts: 116
Default Hickok 600A meter replacement.

One each Hickok 600A tube tester with a damaged meter.
One each Simpson 100 uA taut band meter movement.

Scan the original meter face and reduce 66% to fit the
new meter face.

Put a 125 ohm resistor across the meter movement and a
130 ohm resistor in series with it.

500 uA full scale and 230 Ohm series resistance total.

Presto, a working Hickok tube tester.

Jeff

 




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