• Country
• United States of America (USA)

• Manufacturer / Brand
• Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI

• Year
• 1939

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 99226

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

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 1.5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Volt-Ohm-Milliammeter 240 - Simpson Electric Co.; Chicago,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 3 x 5.7 x 2.5 inch / 76 x 145 x 64 mm

• Notes

• Designed for radio testing. Sensitivity 1,000 ohms per Volt AC and DC. Accuracy DC 3%, AC 5%. Full size 3" meter.

  DC Voltage: 15, 75, 300, 750, 3000
  AC Voltage: 15, 150, 750, 3000
  DC Milliampere: 15, 150, 750
  DC Resistances: 0 - 3K ohms (30 ohms center); 0 - 300K ohms (3000 ohms center)

  Price in 1939 $14.75.

  Price in 1951, dealer's net, including leads.
  Price in 1957 including leads: $28.95
  Specified weight is shipping weight.

• Net weight (2.2 lb = 1 kg)
• 3 lb (3 lb 0 oz) / 1.362 kg

• Price in first year of sale
• 26.35 $

• Mentioned in
• - - Manufacturers Literature (Simpson Test Equipment bulletin no. 2058, 1957)

• Literature/Schematics (1)
• Allied Radio Catalog (Knight) (Nº 150, 1956)

• Literature/Schematics (2)
• -- Original prospect or advert (1951 catalog)

• Literature/Schematics (3)
• Radio Retailing (Radio & Television R.) (ad March 1939 page 55)

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 147 models, 130 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI