Volt-Ohm-Milliammeter 260 Series 3A

Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI

  • Year
  • 1959 ?
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 225669

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

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / 1x 1.5 & 4x 1.5 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Volt-Ohm-Milliammeter 260 Series 3A - Simpson Electric Co.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 5.25 x 7 x 3.125 inch / 133 x 178 x 79 mm
  • Notes
  • The difference between Series 3 and Series 3A is in the meter: it has self-shielding meter movement and spring-loaded jewels.

    Banana jack type test leads. "Adapter lock" for add-on accessories.

    Batteries: 1x "D" cell, 4x "AA" type behind the devices' back cover.

    Measuring ranges

    DC Volt: Ranges 2.5V, 10V, 50V, 250V, 1000V; Accuracy 3% of full scale; Sensitivity 20K ohms per volt
    AC Volt: Ranges 2.5V, 10V, 50V, 250V, 1000V; Accuracy 3% of full scale; Sensitivity 5K ohms per volt
    dB: 4 Ranges +10, +22, +36, +50dB
    DC Ampere: Ranges 100μA, 10mA, 100mA, 500mA; Accuracy 3% of full scale
    Ohms: Ranges Rx 1, Rx 100, Rx 10K; Accuracy 3° of arc

    Also available in Roll-Top case.

     

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

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