METHOD AND APPARATUS FOR AUDITING MEANS USED FOR MEASURING CHARACTERISTICS OF A BULK MATERIAL AND FOR EXTRACTING AN ALIQUOT FROM A BULK MATERIAL

摘要

This invention concerns a method and an apparatus for auditing the means of measuring one or more variables which affect the accuracy or the reliability of the results obtained by devices used to measure particular characteristics of a bulk material, especially during handling and processing, and when said characteristics are measured on an aliquot extracted from said bulk material, a method and an apparatus for concurrently auditing one or more variables affecting the accuracy or reliability of the means for extracting an aliquot of said bulk material.