TÜBİTAK-UME, National Metrology Institute of Turkey is responsible for the scientific metrology activities in Turkey. It is a semi-autonomous institute under TÜBİTAK. The institute possess primary level laboratories with large variety of measurement instruments and highly specialised state of the art equipment. It is the main task of UME to carry out research and development work in order to improve its measuring procedures, measuring equipment and primary standards with a view to calibrating reference standards for industrial metrology with units and measurands agreed on the international level.