Superseded
Standard
Historical
DIN ISO 4869-1:1991-10
Acoustics; hearing protectors; subjective method for the measurement of sound attenuation; identical with ISO 4869-1:1990
Summary
The standard specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing. The method is designed to yield values close to the maximum attainable sound attenuation.
Notes
À remplacer par DIN EN ISO 4869-1 (2015-03).
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 10/01/1991 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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