State system for ensuring the uniformity of measurements. State verification schedule for means of measuring spectral density of radiance, spectral density of radiant intensity, spectral density of irradiance, radiant intensity and irradiance in the wavelength range of 0,2...25,0 µm
State system for ensuring the uniformity of measurements. Installations of the highest accuracy for the reproduction of physical quantity units. Order of development, certification, registration, storage and application
System of product development and launching into manufacture. Products of industrial and technical designation. Procedure of product development and launching into manufacture