NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN IEC 63327 ; VDE 0700-327:2023-03 [CURRENT] references following documents:

Document number Edition Title
ISO 3743-1 2010-10 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small movable sources in reverberant fields - Part 1: Comparison method for a hard-walled test room More 
ISO 4871 1996-12 Acoustics - Declaration and verification of noise emission values of machinery and equipment More 
ISO 9614-2 1996-08 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 2: Measurement by scanning More