metroloogia osa, mis käsitleb mõõtühikuid, mõõtemeetodeid ja mõõtevahendeid seoses õigusaktide nõuetega, mille eesmärgiks on anda mõõmiste täpsusele ja usaldusväärsusele riiklik garantii, part of metrology relating to activities which result from statutory requirements and concern measurement, units of measurement, measuring instruments and methods of measurement and which are performed by competent bodies, concerns activities which result from statutory requirements and concern measurement, units of measurement, measuring instruments and methods of measurement and which are performed by competent bodies, practice and process of applying statutory and regulaory structure and enforcement to metrology, metroloogia suhtes seadusjärgse ja regulatoorse struktuuri jõustamise tava ja protsess