Contents Introduction 1 Scope 2 Normative refernces 3 Terms and symbols 3.1 Terms 3.2 Symbol 4 Metrological requirements 4.1 General provisions 4.2 Metrological requirements for nominal quantity 4.3 Metrological requirements of net quantity 5 Metrology testing 5.1 General provisions 5.2 Uncertainty of metrology 5.3 Statistics and control criteria 5.4 Testing and implementation 5.5 original records and data processing 6 Results assessment and report 6.1 Assessment criteria 6.2 Testing report Annex A Random sampling method Annex B Method to remove tare weight Annex C Metrological testing methods of using mass (weight) unit to mark net quantity of products Annex D Metrological testing methods of using volume unit to mark net quantity of products Annex E Metrological testing methods of using length unit to mark net quantity of products Annex F Metrological testing methods of using volume unit to mark net quantity of products Annex G Metrological testing methods of using counting method to mark net quantity of products Annex H The sampling list format for metrological testing for net quantity of products in prepackages with fixed content Annex I The original record format for quantitative testing of net quantity of products in prepackages with fixed content (Informative) Annex J The report format for metrological testing for net quantity of products in prepackages with fixed content
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