Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full. General principles and requirements— 44 стр.
Guide to the selection, installation, operation and calibration of diagonal path transit time ultrasonic flowmeters for industrial gas applications— 68 стр.
Guide to the selection, installation, operation and calibration of diagonal path transit time ultrasonic flowmeters for industrial gas applications— 68 стр.
