State system for ensuring the uniformity of measurements. Measurement microphones. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
State system for ensuring the uniformity of measurements. Mountings for verification of measuring instruments expenditure and volume of water calibrating with the transformations (the meters ) of expenditure and (or) volume of water. General metrological and technical requirements
Industrial automation systems and integration. Product data representation and exchange. Part 1637. Application module. Assembly module macro definition
State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for measuring instruments of direct current strength over range from 1x10 in minus 16 degree up to 30A
