• Country
• United States of America (USA)

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

• Year
• 1965 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 209387

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105-125; 210-250; Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Nanovolt Source 260 - Keithley Instruments Inc.;

• Dimensions (WHD)
• 220 x 148 x 305 mm / 8.7 x 5.8 x 12 inch

• Notes
• Output: 10e-10 volt to 1,11 volts, positive or negative, in nine decade ranges
  Accuracy:
  +/-0,25 % of setting,10e-3 volt to 1,11 volts.
  +/-0,5 % of setting, 10e-6 volt to 10e-3 volts.
  +/-0,75% of setting, 10e-9 volt to 10e-6 volts.
  Accessories:
  Low-Thermal Output Cable Model 2601.

• Net weight (2.2 lb = 1 kg)
• 4.1 kg / 9 lb 0.5 oz (9.031 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Rudolf Osterkamp. 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)