• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1954 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 173024

• Number of Tubes
• 1

• Valves / Tubes
• C3m

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Frequenz-Vergleichsgerät Rel 3F 131 - Siemens & Halske, -Schuckert

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 250 x 140 x 180 mm / 9.8 x 5.5 x 7.1 inch

• Notes
• Vergleichsfrequenz: 60kHz;
  Prüfbare Frequenzen: 60kHz und 1860kHz;

• Net weight (2.2 lb = 1 kg)
• 4.5 kg / 9 lb 14.6 oz (9.912 lb)

• Mentioned in
• Messgeräte für die Nachrichtentechik 1956 (Siemens)

• Author
• Model page created by Folkert Rothe. See "Data change" for further contributors.

• Other Models

• Here you find 2523 models, 2120 with images and 1334 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München