Registration number (WIID)Project No.TitleStatus
47873EN 61094-2:1993Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity techniqueAtcelts
52403EN 60651:1994Sound level metersAtcelts
52619EN 60118-4:2006Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strengthAtcelts
46741EN 60804:1994Integrating-averaging sound level metersAtcelts
46234EN 60118-13:1997Hearing aids - Part 13: Electromagnetic compatibility (EMC)Atcelts
45219HD 450.6 S1:1986Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aidsAtcelts
51211EN 60318-2:1998Electroacoustics - Simulators of human head and ear - Part 2: An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency rangeAtcelts
52480EN 60118-0:1993Hearing aids - Part 0: Measurement of electroacoustical characteristicsAtcelts
49101HD 450.2 S1:1984Hearing aids - Part 2: Hearing aids with automatic gain control circuitsAtcelts
49164EN 60942:1998/A1:2001Electroacoustics - Sound calibratorsAtcelts
Displaying 181-190 of 278 results.