Electroacoustics - Audiometric equipment - Part 3 : test signals of short duration - Electroacoustique - Equipements audiométriques - Partie 3 : signaux d'essai de courte durée
€91.00
Acoustics. Description, measurement and assessment of environmental noise. Part 1: Basic quantities and assessment procedures
€109.00
Acoustics. Description, measurement and assessment of environmental noise. Part 2: Determination of sound pressure levels
€128.00
Assessment of noise with regard to the risk of hearing damages
€103.98
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019); German version EN ISO 389-7:2019.
€98.32
Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:2018)
€75.00
Acoustic - Description and measurement of environmental noise - Basic quantities and general evaluation methods - Amendment 1
€28.00
Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation (ISO 4869-1:2018)
BS EN ISO 389-3 AMD1. Acoustics. Reference zero for the calibration of audiometric equipment Part 3. equivalent threshold vibratory force levels pure tones and bone vibrators
€23.00
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)
€58.00
Acoustics. Reference zero for the calibration of audiometric equipment threshold hearing under free-field and diffuse-field listening conditions
€193.00
Acoustics — Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
€77.00
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7 : reference threshold of hearing under free-field and diffuse-field listening conditions
€65.33
Sound protection and acoustical design in offices
€169.86
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017)
€68.00
