• Country
• United States of America (USA)

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

• Year
• 1954

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 150626

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Electrometer 210 - Keithley Instruments Inc.;

• Shape
• Tablemodel, with any shape - general.

• Notes
• Input resistance greater than 10 exp-14 ohms, grid current below 10 exp-13 amps, drift lower than 10mV/hour. 0.8 to 80V dc f.s. in either polarity over five ranges.

• Literature/Schematics (1)
• Electronics, August 1954, page 272.

• Author
• Model page created by Emilio Ciardiello. 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)