Jewell Counter-Tube-Checker Pattern 533

Weston Electrical Instrument Co.; Newark, N.J.; (Jewell Electrical Instrument Co.; Chicago, IL)

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  • Year
  • 1928/1929
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 135819
    • alternative name: Jewell

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 90-130 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Jewell Counter-Tube-Checker Pattern 533 - Weston Electrical Instrument
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 210 x 180 x 115 mm / 8.3 x 7.1 x 4.5 inch
  • Notes
  • The Weston model 533 is a typical "Counter Tube-Checker" (Tester) for a dealer who sells a lot of tubes. It is for filament voltages of 1.5, 2.5, 3.3, 5 or 7.5 and is equipped with sockets for UX and UY tubes. There are adaptors for Kellogg tubes, and the AC or DC screen grid tubes. There is even a voltage adjusting dial and an instrument to bring the instrument to the right line voltage if changing. Price in Germany Rm 255.-
  • Net weight (2.2 lb = 1 kg)
  • 2.8 kg / 6 lb 2.7 oz (6.167 lb)
  • Circuit diagram reference
  • Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)
  • Mentioned in
  • Radio Design (Fall Issue 1929, Vol. 2, number 3, page 88, picture page 87)
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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