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Gracey & Associates Hire

Bruel & Kjaer 4226

Bruel and Kjaer 4226


B&K 4226 Acoustic Calibrator - class 1 - multi-function £ 25 a day *

Laboratory working standard - delivered with UKAS Certificate.

Frequency levels from 31.5 Hz to 16 kHz in octave bands over the range of 94 dB to 114 dB in 10 dB steps, for microphones and meters.

Fast, Slow, Crest and A weighting tests for meters.

Noise Dose values may also be tested.

Includes free-field and random correction networks for a range of Bruel and Kjaer 1/2" microphones.

A 1/4" adaptor is also included.

Battery operated


Manufacturer's Specifications


An ideal calibration system for in house testing of both your microphones and meters.



* Our standard hire charges are based on a 7-day minimum period. Click here for details and other options.

Gracey and Associates   01933 624212
BSI approved for the hire of noise and vibration instruments
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B&K Help Line - 01438 739 000 or visit their  website