NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN IEC 60704-2-7 [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 3744 | 2010-10 | Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane More |
| IEC 60665 | 2018-11 | A.C. ventilating fans and regulators for household and similar purposes - Methods for measuring performance More |
| IEC 60879 | 2019-05 | Comfort fans and regulators for household and similar purposes - Methods for measuring performance More |
