Bruel & Kjaer 4204 FOR RENT

Reference Sound Source

Order #: 4204-RENT2

Mfg #: 4204

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Bruel & Kjaer 4204 FOR RENT

Reference Sound Source

Order #: 4204-RENT2

Mfg #: 4204

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Item discontinued

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Bruel & Kjaer 4204 Uses

Reference Sound Source Type 4204 is a calibrated source of sound power with well defined operating characteristics and a predictable performance. It is rugged, compact and stable, and is therefore suitable for both field and laboratory use.

  • Comparison method for determination of sound power of noise sources according to ISO 3741
  • Substitution and Juxtaposition methods for determination of sound power of noise sources according to ISO 3747
  • Sound absorption measurements
  • Sound insulation measurements

Bruel & Kjaer 4204 Highlights

  • Fulfils ISO 3741, ISO 3747 and ISO 6926 for calibrated sound power sources
  • Frequency range from 100Hz to 20 kHz
  • Sound power output 91 dB re 1 pW (A-weighted, 50 Hz line frequency) and 95 dB re 1 pW (Aweighted, 60 Hz line frequency)
  • Temperature range –10°C to + 50°C
  • 50 and 60 Hz operation
  • Long-term stability
  • Individual calibration chart supplied
  • Compact and rugged
  • Fitted with safety grid

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