• Country
• United States of America (USA)

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

• Year
• 1978 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 224554

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Microvolt DMM 177 - Keithley Instruments Inc.;

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 240 x 90 x 270 mm / 9.4 x 3.5 x 10.6 inch

• Notes

• 4 1/2 digits, DC 20 mV - 1000 V, 20µA - 2A, AC 200mV - 1000V, 200µA - 2A, 0 - 20 MOhm

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

• Mentioned in
• Funkschau (21/1978 S. 1028)

• Author
• Model page created by Wolfgang Dieter. 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)