Normen STN - Slowakische nationale Normen - Seite Nr. 81

Acoustics.Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)

UNGÜLTIG herausgegeben am 1.12.2009

Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane.

UNGÜLTIG herausgegeben am 1.6.1999

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 (ISO 3743-1:2010)

Die Norm herausgegeben am 1.5.2011

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 (ISO 3743-1:2010)

Korrektur herausgegeben am 1.10.2012

Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering methods for small, movable sources in reverberant fields

Die Norm herausgegeben am 1.10.2020

Noise. Determination of the sound power level of noise of machines in a reverberation chamber. Engineering method

UNGÜLTIG herausgegeben am 1.8.1980

Acoustics.Determination of sound power levels of noise sources.Engineering methods for small, movable sources in reverberant fields.Part 1:Comparison method for hard-walled test rooms (ISO 3743-1:1994)

UNGÜLTIG herausgegeben am 1.12.2009

Acoustics. Determination of sound power levels of noise sources. Engineering methods for small, movable sources in reverberant fields. Part 1: Comparison method for hard-walled test rooms

UNGÜLTIG herausgegeben am 1.3.1997

Acoustics.Determination of sound power levels of noise sources using sound pressure. Engineering methods for small, movable sources in reverberant fields.Part 2:Methods for special reverberation test rooms (ISO 3743-2:1994)

UNGÜLTIG herausgegeben am 1.12.2009

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms (ISO 3743-2:2018)

UNGÜLTIG herausgegeben am 1.2.2020