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In Reply to: RE: Free to a good home posted by Uncle Mike on July 30, 2017 at 18:13:42:
There's some series resistance there so you don't burn up the filament in the DUT. All this box does is test to see if the filament is broken in the tube, so just a continuity tester.
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- RE: Free to a good home - Caucasian Blackplate 19:18:14 07/30/17 (0)