This standard will provide for measurement of the response of hearing protection devices in high levels of impulse noise. The purpose is to provide a method to aid in the prediction of noise exposures under the hearing protection device in the presence of impulse noise.
ПРОЈЕКАТ
ISO/FDIS 4869-7
50.00
Евидентирање података о дефинитивном тексту нацрта стандарда
29. 7. 2026.