• Country
• United States of America (USA)

• Manufacturer / Brand
• Hickok Electrical Instrument Co.; Cleveland, OH

• Year
• 1947

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 130478

• • alternative name: Hickock

• Number of Tubes
• 2

• Valves / Tubes
• 83 5Y3GT

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Filament Reduction Tube Checker 533 - Hickok Electrical Instrument

• 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.

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

• Other Models

• Here you find 160 models, 145 with images and 46 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hickok Electrical Instrument Co.; Cleveland, OH