National Association of Testing Authorities, Australia
Scope of Accreditation
W W Wedderburn Pty Ltd
Site
Melbourne Laboratory
Accreditation No.
5486
Site No.
14410
Date of Accreditation
30 Apr 2001
Contact
Availability
Services 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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| Mass - Determination of mass and calibration of weighing devices | Industrial weighing devices; Precision laboratory balances | Mass | Gravimetric measurement against reference mass | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Capability Including on site calibrations With Calibration and Measurement Capability of- Precision laboratory balances 2 in 106 or 25 μg (whichever is greater) from 1 mg to 10 kg 3 in 106 from 10 kg to 30 kgIndustrial Balance 1.5 in 105 or 100 mg (whichever is greater) from 1 g to 65 kgIndustrial Weighing Appliances 2 in 104 or 1 g (whichever is greater) from 10 g or the minimum capacity for the class of instrument as specified in table 3 of NMI R 76-1 (whichever is greater) kg to 6 t |
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| Mass - Determination of mass and calibration of weighing devices | Mass standards | Mass | Gravimetric measurement against reference mass | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Capability With Calibration and Measurement Capability of- Mass standards 140 μg above 1g up to 20 g 170 μg above 20 g up to 50 g 400 μg above 50 g up to 200 g 2 mg above 200 g up to 500 g 4 mg above 500 g up to 2 kg 20 mg above 2 kg up to 10 kg 180 mg above 10 kg up to 25 kg Determination of mass5 in 105 or 65 μg (whichever is greater) from 1 mg to 30 kg |
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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 (SoA).
Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.
The Product column may also describe an Item or Material.
The Limitations column may also describe the Range.
Accreditation No.
5486
Site No.
14410
Print date
25 Aug 2026