
National Association of Testing Authorities, Australia
Scope of Accreditation
National Measurement Institute (NMI)
Site
Acoustics, Ultrasonics and Vibration Project, Lindfield
Accreditation No.
1
Site No.
14535
Date of Accreditation
12 Dec 2002
Contact
Availability
Services conditionally available to external clients
Scope of Accreditation
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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Acoustical metrology - Acoustic equipment | Attenuators | Attenuation | Direct measurement by electrical input | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability with calibration and measurement capability of - |
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Band pass filters | Attenuation | Direct measurement by electrical input |
By methods of - AS/NZS 4476, IEC 61260 |
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Capability with calibration and measurement capability of - |
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Sound level meters | Electrical response; Sound pressure level | Direct measurement against a reference instrument | By methods of AS 1259.1:1990; AS 1259.2:1990; IEC 61672-3; IEC 60651:2001 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability with calibration and measurement capability of - |
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Acoustical metrology - Acoustic standards and reference equipment | Acoustic calibrators - Multi frequency; Acoustic calibrators - Single frequency; Pistonphones; Reference sound sources | Distortion; Frequency; Sound pressure level | Comparison with a reference standard |
By methods of AS/IEC 60942; IEC 60942. |
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Capability with calibration and measurement capability of - |
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Reference microphones | Free field response | Substitution comparison | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Free field response by substitution comparison with calibration and measurement capability of - 0.2 dB from 31.5 Hz to below 10 kHz |
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Frequency response | Direct measurement by active coupler; Direct measurement by electrostatic actuator | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Frequency response by electrostatic actuator method over the with calibration and measurement capability of- 0.1 dB for frequency response by actuator up to 10 kHz for type WS1 with calibration and measurement capability of- 0.4 dB from 1 Hz to 200 Hz |
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Pressure sensitivity | Pressure field comparison measurement; Reciprocity method | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Pressure sensitivity by reciprocity method according to IEC 61094-2 with calibration and measurement capability of - 0.08 dB from above 25 Hz to 50 Hz with calibration and measurement capability of- 0.1 dB from 20 Hz to 25 Hz with calibration and measurement capability of- 0.05 dB for microphone classes: LS1 Pressure sensitivity of LS2 and WS2 type microphones by comparison |
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Ultrasonics - Ultrasonic measuring equipment | Ultrasonic power meters | Power | Direct measurement of radiation force |
IEC 61161 |
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Capability Calibration of ultrasonic force (power) balances by transfer from calibrated ultrasonic transducer according to IEC 61161 |
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Ultrasonic transducers | Power | Direct measurement of radiation force |
IEC 61161 |
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Capability Calibration of power output of ultrasonic transducers in liquids- radiation force |
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Vibration metrology - Vibration equipment | Accelerometers; Machine condition monitoring equipment; Velocity transducers; Vibration analysers; Vibration measuring systems | Acceleration sensitivity; Displacement sensitivity; Velocity sensitivity | Comparison against reference standard |
by method ISO 16063-11 |
For frequency range 0 Hz to 10 kHz and acceleration range 0.01 m/s2 to 1000 m/s2 |
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Capability Absolute calibration of complex vibration amplitude sensitivity by interferometry from 0.5 Hz to 10 kHz by the methods of ISO 16063-11 Very low frequency calibration with an acceleration of up to 9.8 m/s2 Calibration of laser vibrometers, including laser Doppler vibrometers (LDV), for complex vibration sensitivity by the methods of ISO 16063-41 |
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Accelerometers; Shock measuring systems; Velocity transducers | Acceleration sensitivity; Velocity sensitivity | Comparison measurement against reference transducer; Direct measurement by interferometer | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Calibration and verification of shock measuring systems which include accelerometers, for compliance to requirements of SAE j211b, SAE j211/1 and ISO 6487 channel frequency class 60 Hz, 180 Hz, 600 Hz or 1000 Hz For frequency range 80 Hz to 8 kHz and acceleration up to 5000 m/s2 with steady state excitation in accordance with ISO 16063-11 and ISO 16063-21For shock impulse widths of 0.1 ms to 5 ms and amplitude range of 200 m/s/s to 5,000 m/s/s in accordance with ISO 16063-13 and ISO 16063-22 With Calibration and Measurement Capability of - Magnitude: accelerometers by interferometry with calibration and measurement capability of - Magnitude: 0.5 % of reading from 200 m/s/s to 5,000 m/s/s Calibration and verification of shock measuring systems which include accelerometers by comparison with reference transducer with calibration and measurement capability of - Magnitude: 0.7 % of reading from 200 m/s/s to 5,000 m/s/s |
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Artificial mastoids | Force sensitivity; Phase sensitivity; Velocity sensitivity | Comparison with a reference standard; Direct measurement by electrical input |
IEC 60318-6 |
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Capability with calibration and measurement capability of - For mechanical impedance level, and force sensitivity level |
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Artificial mastoids; Mechanical impedance transducers | Acceleration sensitivity; Force sensitivity; Phase sensitivity | Comparison with a reference standard; Direct measurement by electrical input | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Calibration by interferometry of mechanical impedance transducers, including impedance heads for artificial mastoids, within the acceleration range 10 m/s2 and 100 m/s2 and forces up to 3 N |
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Charge amplifiers; Machine condition monitoring equipment; Signal conditioners; Vibration analysers; Vibration filters; Vibration measuring systems | Electrical response | Direct measurement by electrical input | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Calibration by electrical signal input 0.1% of voltage or (0.05% + 10 μV), whichever is greater in the frequency range DC to 20 kHz and 100 μVpk to 70 Vpk |
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Geophones | Acceleration sensitivity; Displacement sensitivity; Phase sensitivity; Velocity sensitivity | Comparison measurement against reference transducer; Comparison with a reference standard | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Geophones, seismometers and similar low-frequency transducers without external reference surfaces |
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Vibration metrology - Vibration standards and reference equipment | Reference accelerometers | Acceleration; Acceleration to voltage or charge sensitivity; Frequency | Comparison measurement against reference transducer; Direct measurement by interferometer |
by method ISO 16061-11 |
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Capability Absolute calibration of complex vibration amplitude sensitivity by interferometry from 0.5 Hz to 10 kHz by the methods of ISO 16063-11 Very low frequency calibration with an acceleration of up to 9.8 m/s2 |
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Vibration calibrators | Acceleration; Frequency | Comparison measurement against reference transducer | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Calibration of vibration calibrators, shakers and exciters for vibration amplitude and frequency |
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.
Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.
Accreditation No.
1
Site No.
14535
Print date
04 Dec 2023