Referentie ruisbron conform comparison method for determination of sound power of noise sources according to ISO 3741, ISO 3744, ISO 3743-1 and ISO 3747.
- 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);
- Fulfills 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
Product data Norsonic Nor278 reference sound source