Transformers for tubular discharge lamps having a no-load output voltage exceeding 1000 V (generally called neon - transformers). General and safety requirements
State system for ensuring the uniformity of measurements. Radiometers of the extreme ultraviolet radiation for measurements of radiance with the high spatial distribution in the wavelength range 10-30 nm. Verification procedure
State system for ensuring the unification of measurements. State special standard and state verification schedule for means measuring radiation field parameters of antenna systems with aperture dimensions from 5 to 100 m and of the airborne antennas within the frequency range from 0,3 to 3,0 GHz
