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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.
Author | Acoustical Society of America (ASA) |
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Editor | ASA |
Document type | Standard |
Format | File |
Confirmation date | 2017-09-29 |
ICS | 17.140.20 : Noise emitted by machines and equipment
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Number of pages | 24 |
Year | 1990 |
Document history | |
Country | USA |
Keyword | ANSI 12;ANSI/ASA S 12;ANSI/ASA 12;12;ANSI S 12.43;ANSI/ASA S12.43-1997 (R2017) |