Électroacoustique - Mesure des caractéristiques de performances acoustiques des appareils de correction auditive sur une oreille réelle
€53.50
Dimensions of plugs for hearing aids
€24.39
High-pass and low-pass filters for electro-acoustical measurements
Measurement of the R. M. S. value in sound system equipment; test methode for measuring devices
Sound carrier for the hearing test using speech in accordance with DIN 45621 (recording 1969)
TESTING AND CALIBRATION OF ULTRASONIC THERAPEUTIC EQUIPMENT
€40.00
AUDIOMETERS
€69.00
SOUND LEVEL METERS
€71.00
INTEGRATING-AVERAGING SOUND LEVEL METERS.
ULTRASONIC POWER MEASUREMENT IN LIQUIDS IN THE FREQUENCY RANGE 0,5 MHZ TO 25 MHZ
€50.00
Hearing aids - Part 2: Hearing aids with automatic gain control circuits
€54.00
€72.00
€35.00
DIGITAL AUDIO INTERFACE.
€75.00
