Стандарты ON

ÖNORM EN ISO 14163:1999-04

Действует

Acoustics - Guidelines for noise control by silencers (ISO 14163:1998)

Описание Изменения Ссылки Версии

Ссылочные документы

ISO 11691:1995

Действует

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method — 9 стр.

ISO 11820:1996

Действует

Acoustics. Measurement on silencers in situ — 23 стр.

DIN EN 23741:1991-11

Отменен

Acoustics; determination of sound power levels of noise sources; precision methods for broad-band sources in reverberation rooms (ISO 3741:1988); german version EN 23741:1991 — 16 стр.

BS EN ISO 3744:1995

Заменен

Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane — 40 стр.

DIN EN ISO 7235:1995-09

Отменен

Acoutics - Measurement procedures for ducted silencers - Insertion loss, flow noise and total pressure loss (ISO 7235:1991); German version EN ISO 7235:1995 — 26 стр.