• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi Scientific Instrument Co. LTD.,The; London

• Year
• 1976 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 327007

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 95-130; 190-264 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: 200MHz Digital Frequency Meter TF2431 - Marconi Scientific Instrument

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 200 x 100 x 310 mm / 7.9 x 3.9 x 12.2 inch

• Notes

• Frequency range: 10 Hz to 200 MHz
  Sensitivity: 10 mV r.m.s. with a.g.c. up to 90 dB
  Input impedance: 1 MΩ (BNC)
  Display: 8 digits 7-segment led
  Resolution switch (gate time): 10, 1 or 0,1 Hz

  Internal/external crystal oscillator 10 MHz:

  • version 52431-301Y 5 ppm
  • version 52431-302N 0,1 ppm )

  Internal standard available at real panel (BNC)

  Power supply 95-130V; 190-264V: 45 to 500 Hz AC.

   

   

• Net weight (2.2 lb = 1 kg)
• 2.2 kg / 4 lb 13.5 oz (4.846 lb)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Hans Smit. See "Data change" for further contributors.

• Other Models

• Here you find 36 models, 36 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Scientific Instrument Co. LTD.,The; London