• Country
• Germany

• Manufacturer / Brand
• Ontra - Werkstätten; Berlin

• Year
• 1952

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 99741

• Number of Tubes
• 4

• Valves / Tubes
• EF15 EBF11 or EBF15 EM11 EF14

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Metal case

• from Radiomuseum.org
• Model: Ontraskop 3 - Ontra - Werkstätten; Berlin

• Shape
• Tablemodel, with any shape - general.

• Notes
• Signalverfolger mit Frequenzmesser, Meßbereich 15 kHz - 25 MHz und 400 kHz - 10 MHz. Eingang über kapazitive oder induktive Sonde, Bereichsumschaltung über Drucktasten.

• Mentioned in
• Funk-Technik (FT) (8/1952)

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

• Other Models

• Here you find 31 models, 28 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ontra - Werkstätten; Berlin