• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi Instruments, Marconi-Ekco (MI, MEI)

• Year
• 1955 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 321099

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

• Number of Tubes
• 3

• Valves / Tubes

• Wave bands
• - without

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / AC 40-100 Hz: 110-125; 200-250 / 3 & 90 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Portable Receiver Tester TF 888/3 - Marconi Instruments, Marconi-

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 400 x 300 x 200 mm / 15.7 x 11.8 x 7.9 inch

• Notes

• Combined Signal Generator and Output Power meter.

  Covers 70 kHz - 70 MHz in 8 bands with internal modulation of 1000 Hz.
  Crystal Calibrator with crystals of 500 kHz and 5 MHz.
  Output meter covering 1 mW - 1W in impedances of 3, 33, 150 or 600 Ω.
  Output meter is available for external use.

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• Mentioned in
• - - Manufacturers Literature

• Other Models

• Here you find 96 models, 83 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Instruments, Marconi-Ekco (MI, MEI)