State system for ensuring the uniformity of measurements. Low power SHF wattmeters of frequency range 0,02-178,6 GHz. Verification and calibration methods
State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring mass flow of gas within the range of 4x10 in minus 2 degree up to 2,5x10 in 2 degree kg/sec