Volt-Ohmmeter 443

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

Data
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  • Year
  • 1932 ??
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 356650

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / D: 1.5 & 3 x 4.5 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Volt-Ohmmeter 443 - Simpson Electric Co.; Chicago,
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes

  • The Simpson Volt-Ohmmeter Model 443 has the following features:

    Ranges: 

    DC Volts: 2.5 - 10 - 100 - 250 - 1,000.
    DC mAmps: 1 - 5 - 25 - 100.
    Resistance: 0 to: 200 - 1,000 - 10,000 - 100,000 - 1M - 10MΩ.

    Internal batteries: 1 x BA-30 (D) 1.5V and 3 x BA-31 (Eveready 781) 4.5V (13.5V).

    Similar to Weston 663, except the 663 has internal batteries: 1 x BA-30 (D) 1.5V and 9 x BA-30 (D) 1.5V (13.5V).
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Manual of Test Equip. for Airborne Electrical and Electronic Equip., NAVAER 08-5S-78, 1948, page 7-8)
  • Author
  • Model page created by Dave Oneill. See "Data change" for further contributors.

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The model Volt-Ohmmeter is part of the collections of the following members.

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