Metrology

Metrology is the field of knowledge concerned with measurement and includes both theoretical and practical problems with reference to measurement, whatever their level of accuracy and in whatever fields of science and technology they occur. It is the science concerned with establishment, reproduction, conversion and transfer of units of measurements and their standards. Measurement The process of experimentally obtaining quantity values that can reasonably be attributed to property of a body or a substance is called measurement. It is the process of determining or finding the size, quantity or degree of something by means of measuring instruments which describes the object of measurement. Physical measurement is the act of deriving quantitative information about a physical object by comparison with a reference. Scope of metrology      1.      Scientific measurement Establishing and maintaining standards for units of measurement such as length, mass...