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Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997)

Overview SIST EN ISO 11821:1999 defines internationally recognized methods for measuring the in situ sound attenuation of removable acoustic screens. These screens are designed to reduce noise from s…

Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997)

Overview EN ISO 11821:1997 specifies in situ methods for determining the sound attenuation (insertion loss) of removable screens used to shield workstations or work areas from noise sources. The meth…

Fire tests — Building materials — Non-combustibility test

Fire tests — Building materials — Non-combustibility test

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Acoustics — Measurement of the in situ sound attenuation of a removable screen

Overview ISO 11821:1997 – Acoustics - Measurement of the in situ sound attenuation of a removable screen is an international standard developed by the ISO Technical Committee on Acoustics. This stand…

Acoustics. Measurement of the in situ sound attenuation of a removable screen.