Standards ČSN - Czech national standards - Page 130

Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture (ISO 4869-3:2007)

Standard published on 1.1.2008

Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs

Standard published on 1.5.2001

Acoustics - Hearing aid fitting management (HAFM)

WITHDRAWN published on 1.1.2022

Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of attenuation

WITHDRAWN published on 1.1.1993

Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation

WITHDRAWN published on 1.8.2019

Acoustics. Hearing protectors. Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

WITHDRAWN published on 1.2.1996

Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

WITHDRAWN published on 1.8.2019

Acoustics. Hearing protectors. Part 3: Simplified method for the measurement of insertion loss of ear muff type protectors for quality inspection purposes (ISO/TR 4869-3:1989)

WITHDRAWN published on 1.6.1996

Acoustics - Stationary audible warning devices used outdoors - Part 1: Field measurements for determination of sound emission quantities

Standard published on 1.7.2001

Acoustics - Acoustic insulation for pipes, valves and flanges

Standard published on 1.11.2024