DIN EN ISO 11821:1997
Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997); German version EN ISO 11821:1997

Standard No.

DIN EN ISO 11821:1997

Release Date

1997

Published By

German Institute for Standardization

Status

Be replaced

Replace By

DIN EN ISO 11821:1997-08

Latest

DIN EN ISO 11821:1997-08

Scope

The document specifies methods for the measurement of the sound attenuation performance of removable screens in situ.

DIN EN ISO 11821:1997 history

• 1997 DIN EN ISO 11821:1997-08 Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997); German version EN ISO 11821:1997
• 1997 DIN EN ISO 11821:1997 Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997); German version EN ISO 11821:1997