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National Measurement Institute

Pattern approval guidelines and procedures

These guidelines and procedures can help you with your pattern approval application.

During the pattern approval process, we examine the design of your instrument.

These guidelines and procedures can help you with your pattern approval application.

Guidelines and procedures

Calculation spreadsheet for use with NMI P 100

NMI P 101 Symbols for units of measurement

NMI P 104 Weighing instruments with digital indication

NMI P 105 Graduation of analogue scales

NMI P 106 Procedures for approval and certification of patterns of measuring instruments

NMI P 107 Calculations for suitability of load cells fitted to belt weighers

NMI P 108 Non-automatic weighing instruments

More information

Go to the mandatory pattern approval requirements
Learn more about pattern approval

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