Nos poids et masses étalons sont vérifiés et contrôlés chaque années dans un laboratoire de contrôle accrédité COFRAC.
Grâce à des poids étalons et des comparateurs, le laboratoire détermine par comparaison les masses conventionnelles des poids.
A l’issue de cette comparaison, nous recevons le certificat d’étalonnage Cofrac précisant la masse conventionnelle des poids.
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