Oscilloscope OS-650

• Country
• South Korea

• Manufacturer / Brand
• Hung Chang Co. Ltd., Protek; Seoul

• Year
• 1980 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 197413

• Picture
• Schematics

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

• Number of Tubes
• 1

• Valves / Tubes
• 150CTB31

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 100; 120; 220; 240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Oscilloscope OS-650 - Hung Chang Co. Ltd., Protek;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 280 x 145 x 422 mm / 11 x 5.7 x 16.6 inch

• Notes
• 50 MHz Dual Trace Oscilloscope; CRT 10 x 8 cm;
  Vertical: 1 mV/Div - 5 V/Div ;
  Horizontal: 200 nS/Div - 0.5 S/Div

• Net weight (2.2 lb = 1 kg)
• 9.8 kg / 21 lb 9.4 oz (21.586 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Ottmar Rollmann. See "Data change" for further contributors.

• Other Models

• Here you find 31 models, 28 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hung Chang Co. Ltd., Protek; Seoul