Bruel & Kjaer 4205 Sound Source
| B&K 4205 | Reference Sound Power Source | £ 25 a day * |
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 methodSound power level measurements
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 4-day minimum period, details other options.
Gracey & Associates 01933 624212 hire@gracey.com
British Standards accreditation for noise and vibration instrument hire and calibration
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