• Year
  • 1940
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 336151

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: DC Microammeter 284 - Simpson Electric Co.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 2.875 x 5.25 x 1.75 inch / 73 x 133 x 44 mm
  • Notes
  • The Simpson model 284 DC Micorammeter measures microamperes on 5 scales; 50, 100, 250, 500, and 1000 microamperes. A sixth switch position shorts out the meter movement. It was one of the meters in the Simpson "Micro-tester" line.

  • Price in first year of sale
  • 9.75 USD
  • Mentioned in
  • Simpson ad in Electronics magazine, 5-1940, p 71
  • Author
  • Model page created by Rich Post. See "Data change" for further contributors.

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The model DC Microammeter is part of the collections of the following members.

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