Acoustic Research Labs Pty Ltd

Site

Acoustic Research Labs Pty Ltd

Accreditation No.

14172

Site No.

14165

Date of Accreditation

11 Feb 1999

Address

36/14 Loyalty Road
North Rocks, NSW 2151
Australia

acousticresearch.com.au

Contact

Mr Ken Williams P: +61 (02) 94840800

Availability

Services available to external clients

Scope of Accreditation

Print scopes
Acoustic Research Labs Pty Ltd

ISO/IEC 17025 (2017)

Calibration

  • The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise
Service Product Determinant Technique Procedure Limitations
Acoustical metrology - Acoustic equipment Band pass filters Frequency response; Linearity Direct measurement by electrical input IEC-61260-3



Capability

With Calibration and Measurement Capability of -
0.1 dB from -5 dB ≤A ≤ 40 dB
0.2 dB from 40 dB < A ≤ 120 dB
0.10 dB for relative attenuation at midband frequency
0.10 dB for linear operating range
0.10 dB for lower limit of linear operating range
Sound level meters Electrical response; Sound pressure level Direct measurement by electrical input; Direct measurement by reference sound source

AS 1259.1 - 1990 Clauses 8.9, 8.10, 10.1, 10.2.2, 10.2.3, 10.3.2, 10.3.3, 10.3.4, 10.4.2, 10.4.3, 10.4.4, 10.4.5

AS 1259.2 - 1990 Clauses 9.1, 9.2.1, 9.2.2, 9.2.3, 9.3.1, 9.3.2, 9.3.3, 9.3.5

IEC 60651:1979 Amdt 2, IEC 60804:2000; IEC 61672-3

Capability

With Calibration and Measurement Capability of - 

Acoustic tests using a multi function acoustic calibrator
0.14 dB at 31.5 Hz
0.13 dB at 63 Hz to 125 Hz  
0.12 dB at 250 Hz to 500 Hz
0.13 dB at 1 kHz to 2 kHz
0.14 dB at 4 kHz to 8 kHz
0.16 dB at 12.5 kHz
0.22 dB at 16 kHz


Electrical tests
0.1 dB from 10 Hz to 24 kHz
Acoustical metrology - Acoustic standards and reference equipment Acoustic calibrators - Multi frequency Distortion; Frequency; Sound pressure level Direct measurement against reference signal IEC 60942

Capability

With Calibration and Measurement Capability of -
0.10 dB at 250 Hz and 1 kHz for sound pressure level
0.07% for frequency
0.2% for total harmonic distortion and noise

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