Acoustics coupler for the calibration of supra-aural earphones used in audiometry (IEC 29/328/CDV:1996)
€48.79
Ear simulator for the calibration of supra-aural earphones (IEC 29/329/CDV:1996)
€56.17
Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequence range 8 kHz to 16 kHz (ISO/CD 389-5:1996)
€34.30
Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms (ISO/TR 11690-3:1997)
€84.58
Ergonomic assessment of speech communication; part 1: speech interference level and communication distances for persons with normal hearing capacity in direct communication (SIL method); identical with ISO/DIS 9921-1:1992
Acoustics; guidelines for the design of low-noise workplaces; part 1: noise control strategies; german version prEN 31690-1:1992
€98.32
Acoustics; guidelines for the design of low-noise workplaces; part 2: noise control measures; german version prEN 31690-2:1992
Acoustics; audiometric test methods; part 3: speech audiometry (ISO/DIS 8253-3:1993)
€63.27
Acoustics; reference zero for the calibration of audiometric equipment; part 7: reference threshold of hearing under free-field and diffuse-field listening conditions (ISO/DIS 389-7:1993)
Electroacoustics; specifications for personal sound exposure meters; identical with IEC 61252:1993
€69.91
Acoustics; pure tone air conduction threshold audiometry for hearing conservation purposes
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)
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)
Acoustics - Audiometric test methods - Part 1: Basic pure-tone air and bone conduction threshold audiometry (ISO/DIS 8253-1:2008); German version prEN ISO 8253-1:2008
€122.34
