Description

Reference sound source for Sound Power measurements.

The rugged and compact design makes it well suited for both laboratory and field use. The design ensures a stable and uniform sound power output with unique long-term stability.

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Applications

• Substitution and Juxtaposition methods for determination of sound power of noise sources according to ISO 3747
• Comparison method for determination of sound power of noise sources according to ISO 3741, ISO 3743-1, ISO3744 and 3747.

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Features

• A weighted Sound power output : 93dB re 1 pW (50Hz line frequency)
• Sound power 50 Hz – 20 kHz: 94dB re 1 pW (50Hz line frequency);
• Fulfils ISO 6926 for reference sound sources in the extended frequency range 50 Hz – 20 kHz.
• Individual calibrated (accredited calibration optional)
• Long-term stability
• Weight 18,6 Kg
• Rugged

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Nor278 Reference sound source ISO3747 by Norsonic

Download Nor278 Reference Sound Source datasheet

Nor278 Reference sound source ISO3747 by Norsonic