Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO/CD 389-9:2005)
€69.91
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005); German version EN ISO 389-7:2005.
€77.20
Acoustics - Normal equal-loudness-level contours (ISO 226:2003)
€98.32
Forestry machinery - Noise test code for portable hand-held machines with internal combustion engine - Engineering method (Grade 2 accuracy) (ISO 22868:2005)
€81.00
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005)
€65.00
Acoustics - Offices and associated areas - Acoustic performance levels and criteria by type of area - Acoustique
€82.00
Acoustique - Zéro de référence pour l'étalonnage d'équipements audiométriques - Partie 7 : niveau liminaire de référence dans des conditions d'écoute en champ libre et en champ diffus
€52.00
€50.00
Acoustics -- Description, measurement and assessment of environmental noise -- Part 1: Basic quantities and assessment procedures
€79.00
Forestry machinery. Noise test code for portable hand-held machines with internal combustion engine. Engineering method (grade 2 accuracy)
€269.00
Intended use of human head and ear simulators-guide
€374.00
Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration (IEC 29/559A/CD:2004)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO/CD 389-5:2004)
€56.17
Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference equivalent threshold sound pressure levels for acoustic test signals of short duration (ISO/CD 389-6:2004)
Application of statistical methods in the description of variating noise immissions - Part 2: Quality testing for the assessment (rating) of noise situations
€134.70
