• Year
  • 1930 ??
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 239550
    • alternative name: Jewell

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / 1,5 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Ohmmeter 689 1-F - Weston Electrical Instrument
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 130 x 45 x 70 mm / 5.1 x 1.8 x 2.8 inch
  • Notes
  • Weston model 689 type 1-F is a ohmmeter for very low resistances.
    Two ranges: 0 to 10 ohms [B] and 0...1000 ohms [A].

    Ohmetro portatile per bassissimi valori:
    2 scale: A: 0 - 1.000 Ohm    B: 0 -10 Ohm
    Funzionamento con una batteria tipo "D", in Italia "Torcia", 1,5 volt

  • Net weight (2.2 lb = 1 kg)
  • 0.650 kg / 1 lb 6.9 oz (1.432 lb)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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The model Ohmmeter 689 is part of the collections of the following members.

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