• Country
• United States of America (USA)

• Manufacturer / Brand
• Keithley Instruments Inc.; Cleveland (OH)

• Year
• 1978 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 190744

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

• 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: Digital Multimeter 178 - Keithley Instruments Inc.;

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

• Notes
• 4 1/2 digitos, AC/DC 0-1000V, 0-20 MOhm.

• Price in first year of sale
• 29,900.00 Ptas

• Mentioned in
• Mundo Electronico Nº 81 enero de 1979

• Author
• Model page created by Alberto Sanna-Alonso. See "Data change" for further contributors.

• Other Models

• Here you find 38 models, 33 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Keithley Instruments Inc.; Cleveland (OH)