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Sound and Vibration Instrument Hire and Calibration

Acoustic Calibrator Hire


 

All our meters are delivered with calibration certificates. However it is good practice to calibrator equipment before and after measurements to check the system including any cables etc.

It is also standard practice to include the type and serial number of the calibrator used in any reports.

 

Sound Level Calibrators - General Purpose


Type No. Calibration Level Frequency Accuracy Daily Hire *
B&K 4231 **   94 and 114 dB 1 kHz Class 1 £ 3
CEL 282 114 dB 1 kHz Class 2 £ 2
CEL 284 114 dB 1 kHz Class 2 £ 3
Nor 1251 ** 114 dB 1 kHz Class 1 £ 3
 

For more details click the relevant blue hyperlink.

** 1/4 inch couplers available for these calibrators - add to order if required.

GRAS 42AA : Pistonphone Calibrator - Class 1 £ 6 a day *
 
GRAS 42AA Pistonphone Calibrator

Battery operated for field checks of complete systems and laboratory calibration of measurement
microphones

114 dB at 250 Hz or 105.4 dBA - Certification traceable to UKAS

GRAS 42AA Pistonphone - details
 
B&K 4297 : Sound Intensity Calibrator £ 11 a day *
 
Bruel & Kjaer 4297 Sound intensity Calibrator

On-site calibration of the B&K 2260E Sound Intensity Meter and B&K 3595 Sound Intensity Probe

Sound Pressure Calibration

Pressure Residual Intensity Index verification

Built-in pure tone oscillator for Sound Pressure Calibration

Built-in broad band noise for Pressure Residual Intensity Index measurement

B&K 4297 Sound Intensity Calibrator details

GRAS 51AB : Sound Intensity Calibrator £ 8 a day *
 
GRAS 51AB Sound Intensity Calibrator

For phase and level calibration of both 1/2" and 1/4" sound intensity microphone pairs.

The 51AB may be used for residual intensity testing, level and the particle velocity calibration as specified in the BS EN 61043 Standard

GRAS Sound Intensity Calibrator details

 
B&K 4294 : Vibration Calibrator - hand held £ 5 a day *
 
Bruel & Kjaer 4294 Vibration Calibrator
 
Battery operated for calibration of vibration systems, accelerometers up to 70 grams in weight.
RMS Acceleration level of 10 ms-2
Velocity of 10 mm/s
Displacement level of 10 µm at 159.15 Hz
Accuracy ± 3 %
 

B&K 4294 Vibration Calibrator details

 
* Our standard hire charges are based on a 4-day minimum period, details other options