• Country
• United States of America (USA)

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

• Year
• 1982 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 355759

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TRMS Mulitimeter 179A - Keithley Instruments Inc.;

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 235 x 85 x 275 mm / 9.3 x 3.3 x 10.8 inch

• Notes

• True RMS Voltmeter.

• Net weight (2.2 lb = 1 kg)
• 1.8 kg / 3 lb 15.4 oz (3.965 lb)

• Literature/Schematics (1)
• - - Manufacturers Literature (Instruction Manual Model 179A TRMS Multimeter, Keithley, 1982, Doc. No. 32430.)

• Author
• Model page created by Steffen Kawalek. 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)