Normen ČSN - Tschechische nationale Normen - Seite Nr. 140

Acoustics - Determination of sound power radiated into a duct by fans and other air-moving devices - In-duct method

UNGÜLTIG herausgegeben am 1.9.2003

Acoustics. Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment. Engineering method

Die Norm herausgegeben am 1.1.1997

Akustika - Určení hladin akustického výkonu výrobních provozů s více zdroji pro účely vyhodnocení hladin akustického tlaku prostředí - Technická metoda.

Änderung herausgegeben am 1.11.2021

Acoustics - Determination of sound power levels of noise from air-terminal devices, air terminal units, dampers and valves by measurement in reverberation test room

Die Norm herausgegeben am 1.3.2022

UNGÜLTIG herausgegeben am 1.4.1997

Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in reverberation room

UNGÜLTIG herausgegeben am 1.11.1999

Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room

UNGÜLTIG herausgegeben am 1.3.2021

Acoustics - Test code for the measurement of airborne noise emitted by power lawn mowers, lawn tractors, lawn and garden tractors, professional mowers, and lawn and garden tractors with mowing attachments

UNGÜLTIG herausgegeben am 1.8.1997

Acoustics - Measurements on silencers in situ

Die Norm herausgegeben am 1.5.1998

Acoustics - Measurement of airborne noise emitted by steam turbines and driven machinery

UNGÜLTIG herausgegeben am 1.6.1998