Measurement system
A system is may be defined as an orderly combination or arrangement of elements, devices, components etc into the single unit to carry out certain well defined function or it is the methodical arrangement of elements, devices, components, etc according to some rational principles.
The combination of physical objects such as machine parts, spring, vacuum tubes, transistors etc. is reformed to as a physical system in contrast to nervous system of our-body or any living being. Mechanical machineries, electrical machineries, TV, stereos are a few examples of physical system resulting from arrangement of component or parts following some rational principle.
Measurement: Measurement is the process of numerically quantifying a physical phenomenon such as dimension, speed, force, pressure, temperature etc so that the numerical quantity may be made use qV,er some constructive purpose. The quantity to be measured is called measured.