BS 7965:2009 Guide to the selection, installation, operation and calibration of diagonal path transit time ultrasonic flowmeters for industrial gas applications
2013BS 7965:2013 Guide to the selection, installation, operation and calibration of diagonal path transit time ultrasonic flowmeters for industrial gas applications
2009BS 7965:2009 Guide to the selection, installation, operation and calibration of diagonal path transit time ultrasonic flowmeters for industrial gas applications
2000BS 7965:2000 The selection, installation, operation and calibration of diagonal path transit time ultrasonic flowmeters for industrial gas applications