Battery operated reference sound power source for use in A-weighted and octave band sound power measurements using any of the following techniques:
- Substitution method
- Comparison method
- Juxta-position method
The system may also be used for absorption and reverberation time measurements.
Sound power levels
40 dB to 100 dB in 7 octave bands from 125 Hz upwards and
White or Pink Noise - 100 Hz to 10 kHz.
Manufacturer's Specifications
For much 'louder' sound sources - up to 122 dB SWL see the Nor 250 & 260/280 speaker/amplifier systems in the Building Acoustics section.
If you need a suitable sound level meter - click here for details. |
| * Our standard hire charges are based on a 7-day minimum period. Click here for details and other options. |
| BSI approved for the hire of noise & vibration instruments |