• Country
• United States of America (USA)

• Manufacturer / Brand
• Sterling Manuf. Co.; Cleveland, Ohio

• Year
• 1928–1930

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 102763

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

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 4,5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Set Tester R-522 - Sterling Manuf. Co.; Cleveland

• Shape
• Tablemodel, low profile (big size).

• Notes
• *...Sterlings new complete radio set and tube tester. This tester shows at one reading the filament voltage, plate voltage, 'C' bias, milliampere drain, in fact, everything a radio service man should know about an A.C. or D.C. radio set. Yes, it fully tests the new screen grid tubes, types UY-224 and UX-222... (*)Talking Machine World & Radio-Music Merchant - June 1929. In 1930 the catalog is also listed in the Allied catalog fro $ 39.69 as "Sterling Set Tester AC or DC model R-522" - together with the Sterling Battery and Eleminator Tester R-410 and Tube Tester R-402.

• Price in first year of sale
• 68.00 $

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Mentioned in
• Rider's 1-6

• Literature/Schematics (1)
• Chicago Salvage Stock Store catalogue, 1928?

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 60 models, 37 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sterling Manuf. Co.; Cleveland, Ohio