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Mar 14, 20224 min read

What are pattern approval requirements for an instrument? – Australian Government, Department





Pattern approval requirements


To comply, the instrument pattern must meet its related mandatory requirements.










These requirements are either:

  1. prefixed with ‘NMI R’ and based on an International Organization of Legal Metrology (OIML) recommendation of the same name and number

  2. prefixed with ‘NMI M’ and have been prepared by the National Measurement Institute (NMI)

For accessible versions of these documents, email patternapproval@measurement.gov.au.

Length, area and dimensional requirement documents

Volume and flow requirement documents

Dynamic

Static

  1. NMI M 4 Pattern Approval Specifications for Milk Tanks [734KB DOC] [195KB PDF]

  2. NMI R 71 Pattern Approval Specifications for Fixed Storage Tanks for Trade Use [388KB PDF]

  3. NMI R 80-1 Road and Rail Tankers with Level Gauging, Part 1: Metrological and Technical Requirements [718KB DOCX] [1.2MB PDF]

  4. NMI R 80-2 Road and rail tankers with level gauging, Part 2: Metrological controls and tests [223KB DOCX] [876KB PDF]

  5. NMI R 80-3 Road and rail tankers with level gauging, Part 3: Report Format for type evaluation [1.8MB DOCX] [1.2MB PDF]

  6. NMI R 85-1 & 2 Automatic Level Gauges for Measuring the Level of Liquid in Stationary Storage Tanks, Part 1: Metrological and Technical Requirements and Part 2: Metrological Control and Tests [397KB PDF]

  7. NMI R 85-3 Automatic Level Gauges for Measuring the Level of Liquid in Stationary Storage Tanks, Part 3: Report Format for Type Evaluation [262KB PDF]

  8. NMI R 125 Measuring Systems for the Mass of Liquids in Tanks [226KB PDF]

Mass and weighing requirement documents

  1. NMI R 33 Conventional Value of the Result of Weighing in Air [119KB PDF]

  2. NMI R 50-1 Continuous Totalising Automatic Weighing Instruments (Belt Weighers), Part 1: Metrological and Technical Requirements [956.5KB PDF]

  3. NMI R 50-2 Continuous Totalising Automatic Weighing Instruments (Belt Weighers), Part 2: Test Procedures [868.3KB PDF]

  4. NMI R 50-3 Continuous Totalising Automatic Weighing Instruments (Belt Weighers), Part 3: Test Report Format [2.05MB PDF]

  5. NMI R 51 Automatic Catchweighing Instruments [595KB PDF]

  6. NMI R 60 Metrological Regulation for Load Cells (comments summarised on page) [782KB PDF]

  7. NMI R 60 Metrological Regulation for Load Cells (view comments by hovering over marked text) [1.1MB PDF]

  8. NMI R 76-1 (2015) Non-automatic Weighing Instruments, Part 1: Metrological and Technical Requirements — Tests [1.7MB PDF] 

  9. NMI R 76-1 (2004) Non-automatic Weighing Instruments, Part 1: Metrological and Technical Requirements — Tests (comments summarised on page) [528KB PDF]

  10. NMI R 76-1 (2004) Non-automatic Weighing Instruments, Part 1: Metrological and Technical Requirements — Tests (view comments by hovering over marked text) [540KB PDF]

  11. NMI R 76-2 [2015] Non-automatic Weighing Instruments, Part 2: Test report format [648KB PDF]

  12. NMI R 76-2 [2004] Non-automatic Weighing Instruments, Part 2: Pattern Evaluation Report [306KB PDF]

  13. NMI R 106 Automatic Rail Weighbridges [659KB PDF]

  14. NMI R 107 Discontinuous Totalising Automatic Weighing Instruments (Totalising Hopper Weighers) [558KB PDF]

Utility meters (electricity, water and gas) requirement documents

  1. NMI M 6-1 Electricity Meters, Part 1: Metrological and Technical Requirements [177.6KB DOCX] [603.6KB PDF]

  2. NMI M 6-2 Electricity Meters, Part 2: Test Report Format [2MB DOC] [222KB PDF]

  3. NMI M 10-1 Meters Intended for the Metering of Water in Full Flowing Pipes, Part 1: Metrological and Technical Requirements [956KB DOC] [324KB PDF]

  4. NMI M 10-2 Meters Intended for the Metering of Water in Full Flowing Pipes, Part 2: Test Methods [2MB DOC] [688KB PDF]

  5. NMI M 10-3 Meters Intended for the Metering of Water in Full Flowing Pipes, Part 3: Test Report Format [2MB DOC] [340KB PDF]

  6. NMI M 11-1 Meters Intended for the Metering of Water in Open Channels and Partially Filled Pipes, Part 1: Metrological and Technical Requirements [1MB DOC] [556KB PDF]

  7. NMI M 11-2 Meters Intended for the Metering of Water in Open Channels and Partially Filled Pipes, Part 2: Test Methods [2MB DOC] [657KB PDF]

  8. NMI M 11-3 Meters Intended for the Metering of Water in Open Channels and Partially Filled Pipes, Part 3: Test Report Format [2MB DOC] [602KB PDF]

  9. NMI R 49-1 Water Meters for Cold Potable Water and Hot Water, Part 1: Metrological and technical requirements [509KB PDF] [3MB DOC]

  10. NMI R 49-2 Water Meters for Cold Potable Water and Hot Water, Part 2: Test Methods [1.7MB PDF] [3.3MB DOC]

  11. NMI R 49-3 Water Meters for Cold Potable Water and Hot Water, Part 3: Test Report Format [1.1MB PDF] [2.6MB DOC]

  12. NMI R 137-1 & 2 Gas Meters, Part 1: Metrological and Technical Requirements and Part 2: Metrological Controls and Performance Tests [400KB DOC] [715KB PDF]

Quality (grain, cane sugar, wine grapes) requirement documents

Point of sale (POS) systems requirement documents

Legal measuring instruments

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