Electroacoustics; specifications for personal sound exposure meters; identical with IEC 61252:1993
€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/DIS 389-7:1993)
€56.17
Acoustics - Hearing protectors - Subjective method for the measurement of sound attenuation (ISO 4869-1:1990)
€65.00
ACOUSTICS. STANDARD REFERENCE ZERO FOR THE CALIBRATION OF PURE-TONE BONE CONDUCTION AUDIOMETERS. (ISO 7566:1987).
Acoustics; audiometric test methods; part 3: speech audiometry (ISO/DIS 8253-3:1993)
€63.27
Electroacoustics - Specifications for personal sound exposure meters
€182.00
ACOUSTICS. THRESHOLD OF HEARING BY AIR CONDUCTION AS A FUNCTION OF AGE AND SEX OTOLOGICALLY PERSONS. (ISO 7029:1984).
€63.00
ACOUSTICS. REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE. (ISO 8798:1987).
€54.00
Acoustics. Audiometric test methods Sound field audiometry with pure tone and narrow-band signals
€193.00
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
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
€48.79
ACOUSTICS. NORMAL EQUAL-LOUDNESS LEVEL CONTOURS.
ACOUSTICS. GUIDE FOR THE MEASUREMENT OF AIRBORNE ACOUSTICAL NOISE AND EVALUATION OF ITS EFFECTS ON HUMAN BEINGS.
€51.00
Acoustics - Determination of occupational noise exposure and estimation of noise-induced hearing impairment
€50.00
