Standards ČSN - Czech national standards - Page 138

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method

WITHDRAWN published on 1.6.2021

Acoustics. Measurement of insertion loss of ducted silencers without flow. Laboratory survey method

WITHDRAWN published on 1.8.1996

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

Standard published on 1.4.2010

Acoustics. Determination of sound power radiated into a duct by fans. In-duct method (ISO 5136:1990 and Technical Corrigendum 1:1993)

WITHDRAWN published on 1.12.1996

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

WITHDRAWN published on 1.9.2003

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

Standard published on 1.1.1997

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

Change published on 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

Standard published on 1.3.2022

WITHDRAWN published on 1.4.1997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

WITHDRAWN published on 1.11.1999