Asea Brown Boveri Pocket Book P1

The statutory units of measurement are1) 1. the basic units of the International System of Units (Sl units) for the basic quantities length, mass, time, electric current, thermodynamic temperature and luminous intensity, 2. the units defined for the atomic quantities of quantity of substance, atomic mass and energy, 3. the derived units obtained as products of powers of the basic units and atomic units through multiplication with a defined numerical factor,