Audiogram form for pure tone audiometers
€34.30
Acoustics; pure tone air conduction threshold audiometry for hearing conservation purposes (identical with ISO 6189:1983); german version EN 26189:1991.
€63.27
Acoustics; reference levels for narrow-band masking noise (identical with ISO 8798:1987); german version EN 28798:1991
€41.78
Acoustics; audiometric test methods; part 1: basic pure tone air and bone conduction threshold audiometry; identical with ISO 8253-1:1989.
€69.91
Speech communication in work places under the influence of disturbing noise; terms and definitions, connexions
Sentence lists for intelligibility test
€24.39
Sound recording medium for the hearing test using speech in accordance with DIN 45621 part 2 (recording 1973); requirements
Acoustics; pure tone air conduction threshold audiometry for hearing conservation purposes
€48.79
ACOUSTICS. HEARING PROTECTORS. PART 3: SIMPLIFIED METHOD FOR THE MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS FOR QUALITY INSPECTION PURPOSES. (ISO/TR 4869-3:1989).
€60.00
ACOUSTICS. NORMAL EQUAL-LOUDNESS LEVEL CONTOURS.
€53.00
ACOUSTICS. DETERMINATION OF OCCUPATIONAL NOISE EXPOSURE AND ESTIMATION OF NOISE. INDUCED HEARING IMPAIRMENT.
€69.00
ACOUSTICS. GUIDE FOR THE MEASUREMENT OF AIRBORNE ACOUSTICAL NOISE AND EVALUATION OF ITS EFFECTS ON HUMAN BEINGS.
€50.00
ACOUSTICS. PURE TONE AIR CONDUCTION THRESHOLD AUDIOMETRY FOR HEARING CONVERSATION PURPOSES.
ACOUSTICS. THRESHOLD OF HEARING BY AIR CONDUCTION AS A FUNCTION OF AGE AND SEX OTOLOGICALLY PERSONS. (ISO 7029:1984).
ARTIFICIAL EAR OF THE WIDE BAND TYPE FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
€40.00