AC-DC Wattmeter 880 (880RT)

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

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  • Year
  • 1951 ??
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 243332

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

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: AC-DC Wattmeter 880 - Simpson Electric Co.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 5.25 x 7 x 3.5 inch / 133 x 178 x 89 mm
  • Notes

  • Available in a variety of ranges. Employs the Dynamometer movement. 4.5" scale, hand stepped and drawn to match movement characteristics. Accuracy ± 1% of full scale (horizontal operation). Response time 2.5 seconds maximum.

    Measuring ranges for models with single current range and two voltage ranges (150 and 300 V):

    • No. 13170, $60.45: max. 1.5 A, 100 / 200 W
    • No. 13180, $60.45: max. 3.0 A, 200 / 400 W
    • No. 13190, $60.45: max. 7.5 A, 500 / 1000 W
    • No. 13200, $60.45: max. 15.0 A, 1000 / 2000 W
    • No. 13210, $66.00: max. 30.0 A, 2000 / 4000 W
    • No. 13220, $66.00: max. 75.0 A, 5000 / 10000 W

    Measuring ranges for models with two current ranges and two voltage ranges (150 and 300 V):

    • No. 13230, $76.95: 3.75 - 7.50 A, 250 - 500 / 500 - 1000 W
    • No. 13240, $76.95: 7.50 - 15.0 A, 500 - 1000 / 1000 - 2000 W

    Model 880RT with roll-top safety case.

    Prices in 1951, dealer's net.

  • Net weight (2.2 lb = 1 kg)
  • 2.5 lb (2 lb 8 oz) / 1.135 kg
  • Mentioned in
  • - - Manufacturers Literature (User Manual)
  • Literature/Schematics (1)
  • -- Original prospect or advert (Catalog 1951)

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