Mass laboratory is responsible for the establishment and maintenance of Malaysia’s primary kilogram standard. The highest level of the structure is the national primary kilogram standards.

m3Hierarchical structure of mass standards is established to ensure the highest precision of mass standards with corresponding uncertainties, to provide various levels of weights ranging from standard weights with high accuracies to weights for commercial transaction.

m2The Mass Laboratory maintains weights of OIML Class E1 as reference standards and several sets of OIML Classes E2 to M1  as secondary and working standards in the range of 1 mg to 1 000 kg. m4