Electroacoustics. Audiometric equipment Equipment for pure-tone and speech audiometry
€370.00
Acoustics. Reference zero for the calibration of audiometric equipment equivalent threshold sound pressure levels pure tones and supra-aural earphones
€201.00
Electroacoustics. Specifications for personal sound exposure meters
€281.00
Forestry and gardening machinery. Noise test code for portable hand-held machines with internal combustion engine. Engineering method (Grade 2 accuracy)
Acoustics. Reference zero for the calibration of audiometric equipment equivalent threshold sound pressure levels pure tones in frequency range 8 kHz to 16
Electroacoustics. Audiometric equipment Instruments for the measurement of otoacoustic emissions
Electroacoustics. Audiometric equipment Instruments for the measurement of auditory brainstem responses
Acoustics. Audiometric test methods Pure-tone air and bone conduction audiometry
€329.00
Acoustics. Reference zero for the calibration of audiometric equipment Preferred test conditions determination reference hearing threshold levels
Acoustics. Audiometric test methods Speech audiometry
Acoustics. Statistical distribution of hearing thresholds of otologically normal persons in the age range from 18 years to 25 years under free-field listening conditions
Acoustics. Audiometric test methods Sound field audiometry with pure-tone and narrow-band signals
Acoustics. Estimation of noise-induced hearing loss
Forestry and garden machinery. Noise test code for portable hand-held machines with internal combustion engine. Engineering method (Grade 2 accuracy)
Electroacoustics. Simulators of human head and ear Acoustic coupler for the calibration supra-aural earphones used in audiometry
