A team Central organization for standardization and Quality Control (COSQC), Metrology Department visited the laboratories of ERC for the purpose of calibrating metrological devices during the period from 25-26/12/2016. These activities included the calibration of analytical balances, drying ovens, water bath, a furnace and the thermometers used to measure environmental conditions. The team sealed these devices with its calibration tags. This process is one of the requirements needed to get the accreditation for ERC laboratories in accordance with the international standard ISO 17025.