Legal Metrology Resources
This page provides links to guidance, toolkits and other resources.
NAWI, MID, and UK Certificates issued by NMO Technical Services.
- Certification Bodies
- NAWI
- NMO
- OIML
- Standards Calibration
Office for Product Safety and Standards (OPSS) guidance on the local authority notified body protocol.
- Stickers
- Verification
Office for Product Safety and Standards (OPSS) guidance for inspectors and manufacturers of weights and measures equipment.
- Automatic Catchweighing Machines
- Automatic Gravimetric Filling Instruments
- Automatic Rail Weighbridges
- Beltweighers
- Capacity Measures
- Cold Water Meters
- Intoxicating Liquor
- Length Measures
- Liquid Fuel
- NAWI
- Road Tankers
- Verification
United Kingdom Accreditation Service (UKAS) document on measurement uncertainty.
- UKAS
- Units of Measurement
Statement of the government’s policy on conformity assessment and accreditation.
- Conformity Assessment
Information on relevant details and requirements for public weighbridge operators.
- Public Weighbridges
International Bureau of Weights and Measures (BIPM) guidance to the expression of uncertainty of measurements.
- NPL
- Units of Measurement
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