• Country
• United States of America (USA)

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

• Year
• 1970 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 303256

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

• Number of Transistors
• 12

• Semiconductors

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Solid State Electrometer 610C - Keithley Instruments Inc.;

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 175 x 275 x 290 mm / 6.9 x 10.8 x 11.4 inch

• Notes

• The Keithley 610C is a mains-powered electrometer usable as a voltmeter with 1 mV to 100 V full scale and >10¹⁴ Ω input reistance, an amperemeter with ranges from 10^-14 A to 0.3 A, an ohmmeter with 100 Ω to 10¹⁴ Ω ranges, and an amplifier with 10¹⁴ Ω input impedance and +/- 100 V compliance.

• Net weight (2.2 lb = 1 kg)
• 4.8 kg / 10 lb 9.2 oz (10.573 lb)

• Mentioned in
• - - Manufacturers Literature

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by Peter Holzleitner. 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)