Sound protection and acoustical design in offices
€128.28
€169.86
IEC 61252:2025 Electroacoustics - Personal sound exposure meters
€389.00
Methods of noise abatement aboard inland vessels
€112.85
€103.98
Noise control by means of shielding outdoors
€83.76
Application of statistical methods for the description of variating ambiant noise levels
€95.21
Ships and marine technology — Noise measurement method for HVAC system in accommodation spaces
€58.00
Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure tone and narrow-band test signals (ISO 8253-2:1992)
€50.00
Acoustics — Reference zero for the calibration of audiometric equipment Part 6: Reference threshold of hearing for test signals of short duration
€77.00
Acoustics — Reference zero for the calibration of audiometric equipment Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Forestry machinery - Noise test code for portable hand-held machines with internal combustion engine - Engineering method (Grade 2 accuracy) (ISO 22868:2005, corrected version 2005-06-01)
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 389-1:1998)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:1994)
Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:1996)
