National Association of Testing Authorities, Australia
Scope of Accreditation
W W Wedderburn Pty Ltd
Site
Sydney Laboratory
Accreditation No.
5486
Site No.
5479
Date of Accreditation
19 Oct 1993
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 mass standards; Mass standards | Mass | Gravimetric measurement against reference mass |
Mass standards from 1 mg to 25 kg Determination of mass from 1 mg to 30 kg |
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Capability With Calibration and Measurement Capability of - Mass standards 140 μg from 20 g to 50 g; 400 μg from 50 g to 200 g; 2.5 mg from 200 g to 1 kg;10 mg from 1 kg to 2 kg; 25 mg from 2 kg to 10 kg;330 mg from 10 kg to 25 kg; Determination of mass |
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| Mass - Determination of mass and calibration of weighing devices | Industrial weighing devices; Laboratory 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 3 in 106 from 10 kg to 30 kg Industrial balances1 in 105 or 100 mg (whichever is greater) from 1 g to 65 kg Industrial weighing appliances |
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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.
5479
Print date
10 Aug 2026