DIN EN ISO 7779:2019被替代
Acoustics?- Measurement of airborne noise emitted by information technology and telecommunications equipment (ISO?7779:2018); German version EN?ISO?7779:2018
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
This standard describes methods for determining the noise emission of information and telecommunication equipment: - Determination of the sound power level in reverberation rooms (according to ISO 3741) and in a substantially free sound field above a reflecting plane (according to ISO 3744 or ISO 3745); - Determination of emission sound pressure levels in the workplace and at other specified locations (according to ISO 11201)
EN ISO 7779 : 2018 - Identical
ISO 7779:2018 - Identical
EN ISO 7779 : 2010 - Identical
ISO 7779:2018 - Identical
EN ISO 7779 : 2010 - Identical
EN ISO 7779 : 2018 - Identical
