ДСТУ EN 352-4:2004
Завантажити документ
Формат .docx · доступно зареєстрованим користувачам
Текст документа
1 2 4
1 2 З? 4 5 6 7
EN 352-4 —? —? —? —? —? —? EN 352-1:1993
HEARING PROTECTORS
SAFETY REQUIREMENTSAND TESTING
Part 4. Level-dependent ear-muffs
1 2 EN 352-1:1993 Hearing protectors — General requirements — Part 1: Ear-muffs.
EN 352-1:1993 З? 3.1 3.2 3.3 3.4 3.5 4 4.1 4.2 4.3 4.3.1 4.3.2 4.3.3 5
5.1 5.1.1 5.1.2 5.1.3 5.2 5.3 6 6.1 а?) Ь?) с?) d) е?) f) і?) і?і?і?) 6.2 а?) Ь?) 7
В?.1 В?.2 В?.З? В?.4 а?) Ь?) * **EFTA — ISO/D1S 11904-1 Acoustics — Determination of sound immissions from sound sources placed close to the ears — Part 1: Technique using microphones in real ears (MIRE-technique)
EN ISO 4869-2:1995 Acoustics — Hearing protectors — Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:1994)
prEN 13819-2:2000 Hearing protectors — Testing — Part 2: Acoustic test methods.
The draft is in preparation.
ISO/DIS 11904-1 EN ISO 4869-2:1995 prEN 13819-2:2000