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.
€47.00
Acoustique - Zéro de référence pour l'étalonnage d'équipements audiométriques - Partie 3 : niveaux de référence équivalents de force liminaire pour les vibrateurs à sons purs et les ossivibrateurs
€52.00
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, including Technical Corrigendum 1:1995); German version EN ISO 389-3:1998.
€91.03
Audiometers - Part 1: Pure tone audiometers (IEC 29/423/CD:1998)
€98.32
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)
€50.00
Electroacoustics. Simulators of human head and ear. Part 2 : an interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range. - Électroacoustique
€74.67
Assessment of noise in the working area with regard to specific operations
€83.76
Electroacoustics. Simulators of human head and ear Acoustic coupler for the calibration supra-aural earphones used in audiometry
€165.00
Electroacoustics. Simulators of human head and ear An interim acoustic coupler for the calibration audiometric earphones in extended high-frequency range
ACOUSTICS. AUDIOMETRIC TEST METHODS. PART 1: BASIC PURE TONE AIR AND BONE CONDUCTION THRESHOLD AUDIOMETRY. (ISO 8253-1:1989).
€79.00
ACOUSTICS. AUDIOMETRIC TEST METHODS. PART 2: SOUND FIELD AUDIOMETRY WITH PURE TONE AND NARROW-BAND TEST SIGNALS. (ISO 8253-2:1992).
€67.00
ACOUSTICS. AUDIOMETRIC TEST METHODS. PART 3: SPEECH AUDIOMETRY. (ISO 8253-3:1996).
€71.00
Electroacoustics. Simulators of human head and ear Ear simulator for the calibration supra-aural earphones
ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS. (ISO 389-7:1996).
€65.00
Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:1996)
