Digital Frequency Meter SA-520

• Country
• Great Britain (UK)

• Manufacturer / Brand
• Racal Engineering / Instruments / Electronics Ltd., Bracknell

• Year
• 1962

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 199012

• Picture
• Schematics

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

• Number of Transistors
• 87

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Line plus power jack, mostly with battery or storage battery / 45-60 Hz, 115; 200; 220; 240 / 2 x 15 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Digital Frequency Meter SA-520 - Racal Engineering /

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 194 x 165 x 184 mm / 7.6 x 6.5 x 7.2 inch

• Notes

• Frequenz-Periodendauer-Meßgerät. Portabler Betrieb mit externen Batterien (+/-15Volt) möglich.

  Frequency meter, Single and multiple period meter.
  Four decades on vertical 'one-out-of-ten' filament bulbs. Display swiched off during counting.

  See also SA-520B

  Direct frequency measurement up to 300 kHz with an accuracy of ± 1 count / ± 0.002 per cent.

• Net weight (2.2 lb = 1 kg)
• 3.2 kg / 7 lb 0.8 oz (7.048 lb)

• Mentioned in
• -- Original-techn. papers.

• Literature/Schematics (1)
• Electronic Engineering, volume 34, July 1962

• Author
• Model page created by Hannes Gerber. See "Data change" for further contributors.

• Other Models

• Here you find 113 models, 62 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Racal Engineering / Instruments / Electronics Ltd., Bracknell