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



NMIM plays an important role in disseminating the traceability of measurement to the whole country based on the International System of Units. Just like other world standard laboratories, NMIM has great responsibility in ensuring the national metrology infrastructures meet and comply with the global measurement standards.

Get In Touch

National Metrology Institute of Malaysia (NMIM)
Lot PT 4803, Bandar Baru Salak Tinggi
43900 Sepang
Selangor Darul Ehsan

Corporate inquiries: , 03-87781605                          

Service inquiries: , 03-87781604                               

Complaint and feedback:

Training course request:

WhatsApp: +6018–2121 833