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Filament Reduction Tube Checker 533

Country:  United States of America (USA)
Manufacturer / Brand:  Hickok Electrical Instrument Co.; Cleveland, OH
alternative name
Year: 1947 Category: Service- or Lab Equipment
Valves / Tubes 2: 83 5Y3GT
Wave bands - without
Power type and voltage Alternating Current supply (AC) / 117 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Model: Filament Reduction Tube Checker 533 - Hickok Electrical Instrument
Material Various materials
Shape Tablemodel, with any shape - general.
Notes Hickok Filament Reduction Tube Checker - Micromho dynamic mutual conductance tube tester 533; 11 valve sockets, one 14 mA meter, dynamic mutual conductance ranges: 0 - 300, 0 - 6.000, 0 - 15.000 microhoms, neon lamp indicator.
Filament reduction is used for the so called "Life Test", which indicates the life reserve of a tube (not rectifier) already found good under normal conditions.
Source of data -- Original-techn. papers.

Model page created by a member from A. See "Data change" for further contributors.

All listed radios etc. from Hickok Electrical Instrument Co.; Cleveland, OH
Here you find 136 models, 119 with images and 29 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.