• Country
• Japan

• Manufacturer / Brand
• Yokogawa Electric Co., YEW; Musashino-shi, Tokyo

• Year
• 1972

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 201737

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Dry Batteries

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Photo-Tachometer 2607 - Yokogawa Electric Co., YEW;

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

• Notes
• Optischer Drehzahlmesser; Bereich 0...5000 U/min., Genauigkeit: 1,5%, bei einem Abstand bis zu 50 cm kann der Einfallswinkel +/- 30° betragen.

• Author
• Model page created by Museum Roggenhofer. See "Data change" for further contributors.

• Other Models

• Here you find 10 models, 8 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Yokogawa Electric Co., YEW; Musashino-shi, Tokyo