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Precision 612 Tube Tester

Precision Apparatus Co
 

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peek underside

  The Precision 612 is one of the best emission testers (my opinion). Features Precision's cathode conductance test method (their version of an emission test).  It will test nearly all consumer tubes from the mid 1920's - early 1960's (big pin, octal, loctal, acorn, 7 & 9 pin miniature + one blank space).  Features a battery & capacitance test functions also.

<  Operating instructions are available for the  above & other models, click on image for more info.

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the instrument has been SOLD, photo reference only