Reference number
ISO 7971-2:2019
© ISO 2025
International Standard
ISO 7971-2:2019
Cereals — Determination of bulk density, called mass per hectolitre — Part 2: Method of traceability for measuring instruments through reference to the international standard instrument
Edition 3
2019-02
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Published (Edition 3, 2019)
This publication was last reviewed and confirmed in 2025. Therefore this version remains current.

ISO 7971-2:2019

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Format
CHF 132
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Abstract

This document specifies a test method for ensuring the traceability of bulk density, called "mass per hectolitre", measuring instruments through reference to standard measurement instruments. The mass per hectolitre is of commercial importance for grain cereals. Several types of instruments with varying performances exist for measuring it.

This document also specifies the performances required of national standards instruments, secondary standards instruments, and measuring instruments used in laboratories or in collection or storage silos.

General information

  • Status
     : Published
    Publication date
     : 2019-02
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 3
    Number of pages
     : 23
  • Technical Committee :
    ISO/TC 34/SC 4
    ICS :
    67.060 
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