Signal Generator and Volt-Ohm-Milliammeter 540-740

Ranger Examiner, USA

  • Year
  • 1938
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 96224

 Technical Specifications

  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Storage and/or dry batteries / 45 & 3 x 1.5 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Signal Generator and Volt-Ohm-Milliammeter 540-740 - Ranger Examiner, USA
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 11.7 x 7.7 x 4.2 inch / 297 x 196 x 107 mm
  • Notes
  • The Oscillator: Five frequency bands from 110 kHz to 20 MHz all on fundamentals. Guaranteed accuracy is less than 1% for broadcast and intermediate bands and less than 3% for short wave bands.
    The Volt-Ohm-Milliammeter:
     - AC and DC Volt: 10 - 50 - 250 - 1,000 V at 1,000 Ω/V resistance,       with accuracy 5% for AC and 2% for DC.
     - mA: 1 - 10 - 50 - 250
     - Resistance: 0 - 300 and 0 - 250,000 Ω. Low Ω scale indicates           25 Ω at midscale.

  • Price in first year of sale
  • 63.00 $
  • Literature/Schematics (1)
  • 1938 Radolek Catalog
  • Literature/Schematics (2)
  • -- Original-techn. papers. (Radolek Everything in Radio 1937)
  • Author
  • Model page created by Vitor Oliveira. See "Data change" for further contributors.

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