EN ISO 3745:2012/A1:2017
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi-anechoic rooms - Amendment 1 (ISO 3745:2012/Amd 1:2017)
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi-anechoic rooms - Amendment 1 (ISO 3745:2012/Amd 1:2017)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 12
- Дата публикации:
- 10 мая 2017 г.
- Издание:
- CEN EN 3745 edition 1 version 1
- ICS:
- 17.140.01
Abstract
Overview
EN ISO 3745:2012/A1:2017 (CEN) is an amendment to ISO 3745:2012 that updates precision laboratory methods for determining and of noise sources from measurements in and . The amendment aligns room‑qualification procedures with , revises Annex A (qualification of test rooms), and clarifies practical measurement requirements for conformity with machine‑noise and related EU directives.
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