Registration number (WIID)Project No.TitleStatus
50413EN 61027:1993Instruments for the measurement of aural acoustic impedance/admittanceAtcelts
49150EN 60118-1:1995/A1:1998Hearing aids - Part 1: Hearing aids with induction pick-up coil inputAtcelts
52619EN 60118-4:2006Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strengthAtcelts
48463HD 425 S1:1983Sound Level metersAtcelts
52403EN 60651:1994Sound level metersAtcelts
47873LVS EN 61094-2:2002Measurement microfones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity techniqueAtcelts
50663EN 61094-3:1995Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity techniqueAtcelts
47873EN 61094-2:1993Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity techniqueAtcelts
46667LVS EN 61672-1:2003 AElectroacoustics - Sound level meters - Part 1: SpecificationsAtcelts
48518EN 60645-2:1997Audiometers - Part 2: Equipment for speech audiometryAtcelts
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