Termiz davlat universiteti metrologiya, standartlashtirish va sertifikatlashtirish asoslari

Method of measurements - A set of rules and procedures that ensure that the results of the measurement are determined by a predetermined error.

Quantity is generally a feature specific to each object by quantity, in general, relative to many physical objects (physical systems, their condition, and the processes they carry).

The system, which is considered to be the major size, is called a size that can be independently accepted for other systems. For example, distance (length) is time, temperature, light power.

The size of a system is called the size of a system that enter the system and is expressed through its magnitude. For example, speed, acceleration, electrical resistance, power.