Assessment of noise in the working area with regard to specific operations
€51.99
ARTIFICIAL EAR OF THE WIDE BAND TYPE FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
€41.00
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
Speech audiometer; terminology, requirements, testing
€34.30
Method of test for estimating the risk of hearing handicap due to noise exposure
€165.00
Vocabulaire électrotechnique - Groupe 85 : électroacoustique - Acoustique physiologique et psychoacoustique
€70.50
Specification for an artificial mastoid for the calibration of bone vibrators used in hearing aids and audiometers
€269.00
Specification for a reference zero the calibration of pure-tone audiometers Normal threshold hearing pure tones by bone conduction
Specification for a reference zero the calibration of pure-tone audiometers Data wide-band artificial ear complying with BS 4669
Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions
Electric hearing aids; connecting cords for earphones
The normal threshold of hearing for pure tones by earphone listening
