Noise and Vibration Measurement Systems Pty Ltd

Site

Sydney Calibration Laboratory

Accreditation No.

1301

Site No.

1294

Date of Accreditation

19 Jul 2023

Address

Unit 21, 1 Talavera Road
Macquarie Park, NSW 2113
Australia

Contact

Mr Sajeeb Tharayil P: +61 0455060861

Availability

Services available to external clients

Noise and Vibration Measurement Systems Pty Ltd address map

Scope of Accreditation

Print scopes
Sydney Calibration Laboratory

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 Attenuation Direct measurement by electrical input IEC 61260-3

Capability

With Calibration and Measurement Capability of-

0.06 dB equal to and less than 16 dB
0.08 dB from16 dB  to 40 dB
0.12 dB above 40 dB to 60 dB
0.50 dB above 60 dB to 80 dB


Sound level meters Electrical response; Sound pressure level Direct measurement by electrical input; Direct measurement by reference sound source

IEC 61672 part 3

AS 1259.1-1990 and AS 1259.2-1990, IEC 60651, IEC 60804 according to OIML R-88
Statistical analyser by DIN 45657

Capability

With Calibration and Measurement Capability of-

Electrical tests

0.09 dB

Acoustic tests
0.17 dB from 31.5 Hz to 500 Hz
0.19 dB from above 500 Hz to 2 kHz
0.25 dB from above 2 kHz to 4 kHz
0.32 dB from above 4 kHz to 8 kHz
0.46 dB from above 8 kHz to 12.5 kHz

Acoustical metrology - Acoustic equipment Dose meters for sound Noise exposure/dose; Sound pressure level Direct measurement by electrical input; Direct measurement by reference sound source AS/NZS 2399-1998 (IEC 61252 ) Clauses 6, 7, 8, 9, 10 and 11

Capability

With Calibration and Measurement Capability of-

Electrical tests

0.09 dB

1% Pa2H

Acoustic tests

0.12 dB from 31.5 Hz to 1 kHz

0.31 dB from above 1 kHz to 2 kHz

0.51 dB from above 2 kHz to 4 kHz

1.20 dB from above 4 kHz to 8 kHz

Acoustical metrology - Acoustic standards and reference equipment Acoustic calibrators - Multi frequency; Acoustic calibrators - Single frequency Distortion; Frequency; Sound pressure level Comparison with a reference standard; Direct measurement by frequency analyser AS/IEC 60942 - Annex B Periodic tests

Capability

With Calibration and Measurement Capability of-

Acoustic

0.09 dB at nominal frequencies of 250 and 1000 Hz


Distortion
0.23% at 94 dB SPL
0.13% at 114 dB SPL

Frequency
0.03 Hz at 94 and 114 dB
Reference microphones Frequency response Direct measurement by electrostatic actuator IEC 61094-6

Capability

With Calibration and Measurement Capability of-

Frequency response by the method of IEC 61094 part 6 relative to 250 Hz using an electrostatic actuator for 1" and 1/2" microphones 

0.12 dB from 20 Hz to 100 Hz reducing to 0 dB at 250 Hz linearly as a function of the logarithm of the frequency

from 0 dB at 250 Hz increasing to 0.09 dB at 500 Hz linearly as a function of the logarithm of the frequency

0.09 dB from 500 Hz to 4 kHz increasing to 0.12 dB at 8 kHz linearly as a function of the logarithm of the frequency

from 0.12 dB at 8 kHz increasing to 0.24 dB at 31.6 kHz linearly as a function of the logarithm of the frequency

from 0.24 dB at 31.6 kHz increasing to 0.30 dB at 40 kHz linearly as a function of the logarithm of the frequency

Pressure sensitivity Pressure field comparison measurement IEC 61094-5

Capability

With Calibration and Measurement Capability of-

Sensitivity by pressure-field comparison by the method of IEC 61094 part 5

0.07 dB at nominal frequencies of 250 and 1000 Hz

Vibration metrology - Vibration equipment Accelerometers Acceleration sensitivity Comparison measurement against reference transducer

By the methods of ISO 16063 part 21 


 

Capability

Level response from 0.1 m/s² for transducers with a sensitivity above 0.1 pC/m/s² and 0.4 mV/m/s²
Up to 300 ms-2 for accelerometers up to 50 g at 160 Hz

With Calibration and Measurement Capability of-

1 % from 5 Hz to 10 Hz

0.8% at greater than 10 Hz to 2 kHz

1.2% at greater than 2 kHz to 7 kHz

2 % at greater than 7 kHz to 10 kHz

Vibration measuring systems Acceleration sensitivity; Frequency response Comparison measurement against reference transducer By the methods of ISO 16063 part 21

Capability

With Calibration and Measurement Capability of-

Conditioning amplifiers  0.001 V/ms 2 
Data acquisition systems / Analyser  electrical tests 0.004 dB 
DC voltage 0.1 mV

1 % from 5 Hz to 10 Hz
0.8% at greater than 10 Hz to 2 kHz
1.2% at greater than 2 kHz to 7 kHz
2 % at greater than 7 kHz to 10 kHz


Vibration metrology - Vibration standards and reference equipment Vibration calibrators Acceleration; Distortion; Frequency Direct measurement by frequency analyser

By the methods of ISO 16063-21 

Capability

At a nominal frequency of 160 Hz 

Acceleration
0.8%
Distortion
0.25%
Frequency
0.01 Hz

The only data displayed is that deemed relevant and necessary for the clear description of the activities and services covered by the scope of accreditation.

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