CEN/TC 211
| Project No. | EN 21680-1:1991 |
|---|---|
| Title | Specification of an engineering method (grade 2) for measuring the sound pressure levels on a rectangular parallelepiped surface enveloping the machine and for calculating the sound power level produced by the machines. It outlines the procedures which may be used to evaluate the test environment and specifies the characteristics of suitable measuring instruments. |
| Registration number (WIID) | 9730 |
| Scope | Specification of an engineering method (grade 2) for measuring the sound pressure levels on a rectangular parallelepiped surface enveloping the machine and for calculating the sound power level produced by the machines. It outlines the procedures which may be used to evaluate the test environment and specifies the characteristics of suitable measuring instruments. |
| Status | Atcelts |
| ICS group | 17.140.20 29.160.01 |