Precision Sound Level Meter

Dawe Instruments Ltd.; Brentford, Middlesex

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  • Year
  • 1964 ??
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 338670

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Precision Sound Level Meter - Dawe Instruments Ltd.;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes

  • This instrument is fitted with a capacitor microphone and measures sound levels from 20 dB to 140 dB with reference to a standard level.
    The microphone is mounted on a probe containing the cathode-follower unit and may be used with a 25ft extension cable between the probe and the instrument.


    Standard "A", "B" and "C" weighting networks are included which meet B.S., I.E.C., and A.S.A. specifications.

    All other characteristics are in the original attached article.

  • Net weight (2.2 lb = 1 kg)
  • 12 lb 0 oz (12 lb) / 5.448 kg
  • Mentioned in
  • -- Original prospect or advert (Electronic Engineering, volume 36, March 1964.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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