ANSI/ASA S12.43-1997 工作站和其它专用位置的机械和设备声排放的计算方法

标准号：ANSI/ASA S12.43-1997
中文标准名称：工作站和其它专用位置的机械和设备声排放的计算方法
英文标准名称：Methods for Calculation of Sound Emitted by Machinery and Equipment at Workstations and Other Specified Positions
标准类型：Z32
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Z32
国际标准分类号：17.140.20
适用范围：Specifies 3 methods for measuring sound pressure levels from machinery and equipment, at a workstation and at other specified positions nearby, differentiated primarily by the acoustical environment in which they are made. Measurements by: Method A-in an essentially free field over a reflecting plane; Method B-in any environment that meets certain qualification requirements specified; Method C- in a semi reverberant field for which the accuracy implied by msmts under Method A or B isn't required.