Hearing aids - Part 1: Hearing aids with induction pick-up coil input (IEC 60118-1:1995); German version EN 60118-1:1995
€41.78
Electroacoustics - Octave-band and fractional-octave-band filters
€231.00
Électroacoustique - Instruments pour la mesure du bruit des aéronefs - Prescriptions relatives aux systèmes de mesure des niveaux de pression acoustique par tiers d'octave, pour la certification acoustique des avions de transport.
€95.67
Hearing instruments - Digital interface (IEC 29/293/CD:1995)
€48.79
Requirements for the declaration of the acoustic output of medical diagnostic ultrasonic equipment (IEC 61157:1992); German version EN 61157:1994.
€84.58
Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MHz (IEC 61161:1992); German version EN 61161:1994
€63.27
Corrigendum 1 - 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
€0.00
Electroacoustics - Specifications for personal sound exposure meters (IEC 61252:1993); German version EN 61252:1995
€77.20
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
€88.00
Hearing aids - Part 1: Hearing aids with induction pick-up coil input
€22.00
Specification for ultrasonic power measurement in liquids in the frequency range 0.5 MHz to 25 MHz
€269.00
Filters for the measurement of audible sound in the presence of ultrasound; identical with IEC 61012:1990
€34.30
Practice for Determining A Single-Number Rating of Airborne Sound Isolation for Use in Multiunit Building Specifications (Withdrawn 1999)
This product is not for sale, please contact us for more information
Measurement of the lowest resonance frequency of loudspeaker cones (IEC 84(Sec)379:1994)
The absolute calibration of hydrophones using the planar scanning technique in the frequency range 0,5 MHz to 15 MHz (IEC 61101:1991); German version EN 61101:1993.
