• Country
• United States of America (USA)

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

• Year
• 1939–1951

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 97728

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

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 1x 1.5 & 2x 3 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Volt-Ohm-Milliammeter 260 - Simpson Electric Co.; Chicago,

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

• Dimensions (WHD)
• 5.25 x 6.75 x 3.2 inch / 133 x 171 x 81 mm

• Notes

• First model of the 260 series. All models without the "Adjust-A-View" handle (doubles as a stand for horizontal operation) go here - regardless of their different shapes. This model and the 260 Series 2 don't have a series designation in the meter scale. This begins from 260 Series 2A.

  Pin type leads. Similar to Model 215.

  Batteries: 2x Eveready #750 (3 V), 1x "C" type (1.5 V), soldered and accessible after dismantling the device.

  Measuring ranges

  DC Volt: Ranges 2.5V, 10V, 50V, 250V, 1000V, 5000V; Accuracy 3% of full scale
  AC Volt: Ranges 2.5V, 10V, 50V, 250V, 1000V, 5000V; Accuracy 5% of full scale
  dB: 5 Ranges 0, +12, +26, +40, +53dB
  DC Ampere: Ranges 100μA, 10mA, 100mA, 500mA
  Ohms: Ranges Rx 1, Rx 100, Rx 10K

  Also available as model 260RT with roll-top safety case ($43.75)

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

• Price in first year of sale
• 38.00 $

• Mentioned in
• Ads in Electronic Industries, May 1942, Nov 1947

• Literature/Schematics (1)
• 1951 Newark catalog Nº 51

• Literature/Schematics (2)
• - - Manufacturers Literature (1951 catalog)

• Literature/Schematics (3)
• Radio Retailing (Radio & Television R.) (Mar 1946 p.129; Sep 1946 p.109, 135; Jun 1947 p.124, 125)

• 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