Audiometers - Part 2: Equipment for speech audiometry
€69.00
ELECTROACUSTICS. INSTRUMENTS FOR THE MEASUREMENT OF SOUND INTENSITY. MEASUREMENT WITH PAIRS OF PRESSURE SENSING MICROPHONES.
€81.00
MEASUREMENT MICROPHONES. PART 4: SPECIFICATIONS FOR WORKING STANDARD MICROPHONES.
€60.00
ELECTROACOUSTICS. RANDOM-INCIDENCE AND DIFFUSE-FIELD CALIBRATION OF SOUND LEVEL METERS.
ELECTROACOUSTICS. SPECIFICATIONS FOR PERSONAL SOUND EXPOSURE METERS.
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes
€61.00
Electroacoustics - Sound calibrators
€116.00
Electroacoustics - Audiometric equipment -- Part 5: Instruments for the measurement of aural acoustic impedance/admittance
€77.00
Measurement microphones -- Part 6: Electrostatic actuators for determination of frequency response
€76.00
Electroacoustics- Simulators of human head and ear- Part 6: Mechanical coupler for the measurements on bone vibrators
Electroacoustics - Hearing aids -- Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
Electroacoustics - Hearing aids -- Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
€79.00
SOALES AND SIZES FOR PLOTTING FREQUENCY CHARACTERISTIC AND POLAR DIAGRAMS
€18.00
Hearing aids - Part 3: Hearing aid equipment not entirely worn on the listener
€40.00
HEARING AIDS. PART 5: NIPPLES FOR INSERT EARPHONES