Vacuum Tube Tester R-401

Sterling Manuf. Co.; Cleveland, Ohio

  • Year
  • 1927
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 146517

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Vacuum Tube Tester R-401 - Sterling Manuf. Co.; Cleveland
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 4 x 2 x 7 inch / 102 x 51 x 178 mm
  • Notes
  • Professional Tube Tester for 4 prong UV and UX based tubes. Plate current adapter, allows measurement of plate current up to 10 mA while tube is in service in the original set under test.

    Black frostine finish, rubber feet, silver edged dial, nickeled flange and tube socket.

  • Net weight (2.2 lb = 1 kg)
  • 2 lb 0 oz (2 lb) / 0.908 kg
  • Price in first year of sale
  • 15.00 $
  • Mentioned in
  • Wyeth Hardware & Mfg Co, Catalog 1927
  • Author
  • Model page created by Jean-Luc Comblin. See "Data change" for further contributors.

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