• Country
• Great Britain (UK)

• Manufacturer / Brand
• Thurlby Thandar Instruments

• Year
• 1979

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 201511

• • alternative name: Thandar Electronics || TTI

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

• Number of Transistors
• 9

• Semiconductors
• BF199 BF199 BF245 ZTX214 ZTX239 ZTX313 ZTX214 BFR41 SN74LS00 SN74LS74 SP8660 ICM7216 BA244 1N4148 BZX41 NSA1588A

• Wave bands
• - without

• Power type and voltage
• Batteries / addl. power jack / PP3: 1 x 9 / 9 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Digital Frequency Meter PFM 200 - Thurlby Thandar Instruments

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 75 x 35 x 155 mm / 3 x 1.4 x 6.1 inch

• Notes

• Pocket Frequency Meter PFM-200
  Frequency range: 20 Hz...200 MHz.
  Sensivity: 10 mV_rms direct, 100 mV_rms on attenuator input.
  Developed by Sinclair Electronics, see Sinclair PFM200

  Note: manual mentions the ICL7216 as screen driver, but that is a typo. This equipment has an 8 digit LED display (NSA1588A) and uses an ICM7216 LED driver.

   

• Net weight (2.2 lb = 1 kg)
• 0.150 kg / 0 lb 5.3 oz (0.33 lb)

• Price in first year of sale
• 54.00 GBP

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

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

• Other Models

• Here you find 18 models, 14 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Thurlby Thandar Instruments