• Country
• United States of America (USA)

• Manufacturer / Brand
• General Radio Company; Cambridge (MA)

• Year
• 1968 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 152049

• • alternative name: GenRad

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105-125; 205-250 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: DC Microvoltmeter-Nanoammeter 1807 - General Radio Company;

• Shape
• Rack

• Dimensions (WHD)
• 305 x 150 x 250 mm / 12 x 5.9 x 9.8 inch

• Notes
• Das Gerät kann auch als Null Detektor und Differential Voltmeter verwendet werden.
  Messbereich Volt: 15 µV bis 1500 Volt in 9 Dekaden.
  Messbereich Strom: 15 pA bis 1,5 mA in 9 Dekaden.
  Messung umschaltbar direkt oder interpolation, höhere Auflösung.

• Net weight (2.2 lb = 1 kg)
• 4.4 kg / 9 lb 11.1 oz (9.692 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Rudolf Osterkamp. See "Data change" for further contributors.

• Other Models

• Here you find 241 models, 212 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Radio Company; Cambridge (MA)