This International Standard is applicable to medical diagnostic ultrasonic equipment.— It provides a set of traceable acoustic parameters describing the acoustic fields.— It defines a standard means and format for the reporting of the acoustic output information.— It also describes a reduced dataset recommended for equipment generating low acoustic output levels.Cross References:IEC 60050-801IEC 60050-802IEC 61161IEC 62127-1:2007ISO 16269-6ISO/IEC Guide 98-3GUM:1995EN 61161:2007EN 62127-1:2007IEC 60469-1IEC/TR 60854:1986IEC 61689IEC 61828EN 61689EN 61828:2001Incorporates the following:Amendment, June 2013. Amends and replaces BS EN 61157:2007 which remains current