Sound Level Calibrator - Kalibrator für Schallpegelmesser 4230

Brüel & Kjær; Nærum

  • Year
  • 1973 ??
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 316538

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

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / 1 x 9 Volt
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Sound Level Calibrator - Kalibrator für Schallpegelmesser 4230 - Brüel & Kjær; Nærum
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 44 x 115 x 44 mm / 1.7 x 4.5 x 1.7 inch
  • Notes
  • Brüel & Kjær Sound Level Calibrator Type 4230, 94 dB - 1000 Hz
    Built-in loudspeaker: piezoelectric driver element

    This calibrator gives a pressure calibration directly for sound level meter calibration (free-field calibration) adjust to 93.6 dB for 1" and 93.8 dB for ½" microphones.

    Replace battery if signal does not last for at least a few seconds after contact is released.

    Kalibrator für Schallpegelmesser mit 1 Zoll und ½ Zoll Mikrofon.

  • Net weight (2.2 lb = 1 kg)
  • 0.260 kg / 0 lb 9.2 oz (0.573 lb)
  • Author
  • Model page created by Reinhard Bode. See "Data change" for further contributors.

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The model Sound Level Calibrator - Kalibrator für Schallpegelmesser is part of the collections of the following members.

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