Registration number (WIID)Project No.TitleStatus
57191HD 450.11 S1:1985Hearing aids - Part 11: Symbols and other markings on hearing aids and related equipmentAtcelts
44353HD 450.0 S1:1984Hearing aids - Part 0: Measurement of electroacoustical characteristicsAtcelts
54167HD 443 S1:1983Occluded-ear simulator for the measurement of earphones coupled to the ear by ear insertsAtcelts
48463HD 425 S1:1983Sound Level metersAtcelts
48337HD 305 S1:1977IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear insertsAtcelts
56438HD 304 S1:1977Dimensions of plugs for hearing aidsAtcelts
44097HD 178 S1:1977Methods for specifying the characteristics of electromechanical transducers for shock and vibration measurementsAtcelts
75071FprEN IEC 61252:2025Electroacoustics - Personal sound exposure metersIzstrādē
45081FprEN 60118-13:2015Electroacoustics - Hearing aids - Part 13: Electromagnetic compatibility (EMC)Izstrādē
62831EN IEC 61265:2018Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraftIzstrādē
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