Definitive Text - HD 304 S1:1977
Dimensions of plugs for hearing aids

Definitive Text - EN 60118-8:2005
Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions

Definitive Text - EN 60118-8:2005
Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions

Definitive Text - EN 60118-8:2005
Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions

Definitive Text - EN 60318-5:2006
Electroacoustics - Simulators of human head and ear - Part 5: 2 cm³ coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts

Definitive Text - EN 60318-5:2006
Electroacoustics - Simulators of human head and ear - Part 5: 2 cm³ coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts

Definitive Text - EN 60318-5:2006
Electroacoustics - Simulators of human head and ear - Part 5: 2 cm³ coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts

Definitive Text - EN 60118-7:2005
Electroacoustics - Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes

Definitive Text - EN 60118-7:2005
Electroacoustics - Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes

Definitive Text - EN 60118-7:2005
Electroacoustics - Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes

Definitive Text - EN 60645-5:2005
Electroacoustics - Audiometric equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance

Definitive Text - EN 60645-5:2005
Electroacoustics - Audiometric equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance

Definitive Text - EN 60645-5:2005
Electroacoustics - Audiometric equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance

Definitive Text - EN 61672-2:2003
Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests

Definitive Text - EN 61094-6:2005
Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response

Definitive Text - EN 61094-6:2005
Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response

Definitive Text - EN 61094-6:2005
Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response

Definitive Text - EN 60118-4:1998
Hearing aids - Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes

Definitive Text - EN 60118-6:1999
Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids

Definitive Text - EN 60651:1994
Sound level meters

Definitive Text - EN 61669:2001
Electroacoustics - Equipment for the measurement of real-ear acoustical characteristics of hearing aids

Definitive Text - EN 60118-0:1993
Hearing aids - Part 0: Measurement of electroacoustical characteristics

Definitive Text - EN 60118-7:1993/A1:1994
Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for quality inspection for delivery purposes

Definitive Text - HD 556 S1:1991
Sound calibrators

Definitive Text - HD 450.7 S1:1985
Hearing aids - Part 7: Measurement of performance characteristics of hearing aids for quality inspection for delivery purposes

Definitive Text - EN 60942:2003
Electroacoustics - Sound calibrators

Definitive Text - EN 60942:1998
Electroacoustics - Sound calibrators

Definitive Text - EN 61265:1995
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

Definitive Text - EN 60118-1:1995
Hearing aids - Part 1: Hearing aids with induction pick-up coil input

Definitive Text - EN 60118-13:1997
Hearing aids - Part 13: Electromagnetic compatibility (EMC)

Definitive Text - EN 60318-2:1998
Electroacoustics - Simulators of human head and ear - Part 2: An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range

Definitive Text - EN 60318-3:1998
Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry

Definitive Text - EN 60118-1:1995/A1:1998
Hearing aids - Part 1: Hearing aids with induction pick-up coil input

Definitive Text - EN 60318-1:1998
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones

Definitive Text - EN 60118-4:1998/A1:1998
Hearing aids - Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes

Definitive Text - EN 60118-2:1995/A2:1997
Hearing aids - Part 2: Hearing aids with automatic gain control circuits

Definitive Text - EN 60118-6:1998
Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids

Definitive Text - EN 61260:1995
Electroacoustics - Octave-band and fractional-octave-band filters

Definitive Text - EN 60118-14:1998
Hearing aids - Part 14: Specification of a digital interface

Definitive Text - EN 61012:1998
Filters for the measurement of audible sound in the presence of ultrasound

Definitive Text - EN 60118-12:1996
Hearing aids - Part 12: Dimensions of electrical connector systems

Definitive Text - EN 61094-3:1995
Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique

Definitive Text - EN 61094-4:1995
Measurement microphones - Part 4: Specifications for working standard microphones

Definitive Text - EN 61252:1995/A1:2001
Electroacoustics - Specifications for personal sound exposure meters

Definitive Text - EN 60651:1994/A2:2001
Sound level meters

Definitive Text - EN 60804:2000
Integrating-averaging sound level meters

Definitive Text - EN 61672-1:2003
Electroacoustics - Sound level meters - Part 1: Specifications

Definitive Text - EN 61094-5:2001
Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison

Definitive Text - EN 61094-1:2000
Measurement microphones - Part 1: Specifications for laboratory standard microphones

Definitive Text - EN 61260:1995/A1:2001
Electroacoustics - Octave-band and fractional-octave-band filters

Definitive Text - EN 60804:1994/A2:1994
Integrating-averaging sound level meters

Definitive Text - HD 450.0 S1:1984
Hearing aids - Part 0: Measurement of electroacoustical characteristics

Definitive Text - EN 61094-2:1993
Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique

Definitive Text - EN 61043:1994
Electroacoustics - Instruments for the measurement of sound intensity - Measurement with pairs of pressure sensing microphones

Definitive Text - HD 425 S1:1983
Sound Level meters

Definitive Text - HD 450.5 S1:1985
Hearing aids - Part 5: Nipples for insert earphones

Definitive Text - HD 450.6 S1:1986
Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids

Definitive Text - EN 60118-7:1993
Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for quality inspection for delivery purposes

Definitive Text - HD 450.1 S1:1984
Hearing aids - Part 1: Hearing aids with induction pick-up coil input

Definitive Text - HD 450.2 S1:1984
Hearing aids - Part 2: Hearing aids with automatic gain control circuits

Definitive Text - HD 450.3 S1:1984
Hearing aids - Part 3: Hearing aid equipment not entirely worn on the listener

Definitive Text - HD 450.4 S1:1984
Hearing aids - Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes

Definitive Text - EN 60118-0:1993/A1:1994
Hearing aids - Part 0: Measurement of electroacoustical characteristics

Definitive Text - HD 499 S1:1990
Integrating-averaging sound level meters

Definitive Text - HD 590 S1:1991
Mechanical coupler for measurements on bone vibrators

Definitive Text - EN 61027:1993
Instruments for the measurement of aural acoustic impedance/admittance

Definitive Text - EN 61094-1:1994
Measurement microphones - Part 1: Specifications for laboratory standard microphones

Definitive Text - EN 60118-4:2006
Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strength

Definitive Text - EN 60118-4:2006
Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strength

Definitive Text - EN 60118-4:2006
Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strength

Definitive Text - HD 443 S1:1983
Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts

Definitive Text - HD 450.9 S1:1987
Hearing aids - Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output

Definitive Text - EN 61672-3:2006
Electroacoustics - Sound level meters - Part 3: Periodic tests

Definitive Text - EN 61672-3:2006
Electroacoustics - Sound level meters - Part 3: Periodic tests

Definitive Text - EN 61672-3:2006
Electroacoustics - Sound level meters - Part 3: Periodic tests

Definitive Text - EN 60942:1998/A1:2001
Electroacoustics - Sound calibrators

Definitive Text - EN 60118-2:1995
Hearing aids - Part 2: Hearing aids with automatic gain control circuits

Definitive Text - EN 61252:1995
Electroacoustics - Specifications for personal sound exposure meters

Definitive Text - EN 61183:1994
Electroacoustics - Random-incidence and diffuse-field calibration of sound level meters

Definitive Text - EN 60651:1994/A1:1994
Sound level meters

Definitive Text - EN 60804:1994
Integrating-averaging sound level meters

Definitive Text - EN 60318-1:2009
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones

Definitive Text - EN 60318-1:2009
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones

Definitive Text - EN 60318-1:2009
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones

Definitive Text - EN 61094-2:2009
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique

Definitive Text - EN 61094-2:2009
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique

Definitive Text - EN 61094-2:2009
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique

Definitive Text - EN 62489-1:2010
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components

Definitive Text - EN 62489-1:2010
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components

Definitive Text - EN 62489-1:2010
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components

Definitive Text - EN 60318-6:2008
Electroacoustics - Simulators of human head and ear - Part 6: Mechanical coupler for the measurement of bone vibrators

Definitive Text - EN 60318-6:2008
Electroacoustics - Simulators of human head and ear - Part 6: Mechanical coupler for the measurement of bone vibrators

Definitive Text - EN 60318-6:2008
Electroacoustics - Simulators of human head and ear - Part 6: Mechanical coupler for the measurement of bone vibrators

Definitive Text - EN 60318-4:2010
Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts

Definitive Text - EN 60318-4:2010
Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts

Definitive Text - EN 60318-4:2010
Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts

Definitive Text - EN 60645-6:2010
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions

Definitive Text - EN 60645-6:2010
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions

Definitive Text - EN 60645-6:2010
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions

Definitive Text - EN 60645-7:2010
Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory brainstem responses

Definitive Text - EN 60645-7:2010
Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory brainstem responses

Definitive Text - EN 60645-7:2010
Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory brainstem responses

Definitive Text - EN 60645-1:2001
Electroacoustics - Audiological equipment - Part 1: Pure-tone audiometers

Definitive Text - EN 60645-2:1997
Audiometers - Part 2: Equipment for speech audiometry

Definitive Text - EN 60645-3:1995
Audiometers - Part 3: Auditory test signals of short duration for audiometric and neuro-otological purposes

Definitive Text - EN 60645-3:2007
Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration

Definitive Text - EN 60645-3:2007
Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration

Definitive Text - EN 60645-3:2007
Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration

Definitive Text - EN 60645-4:1995
Audiometers - Part 4: Equipment for extended high-frequency audiometry

Definitive Text - EN 62489-2:2011
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure

Definitive Text - EN 62489-2:2011
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure

Definitive Text - EN 62489-2:2011
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure

Definitive Text - EN 60645-1:1994
Audiometers - Part 1: Pure-tone audiometers

Definitive Text - EN 60118-13:2011
Electroacoustics - Hearing aids - Part 13: Electromagnetic compatibility (EMC)

Definitive Text - EN 60118-13:2011
Electroacoustics - Hearing aids - Part 13: Electromagnetic compatibility (EMC)

Definitive Text - EN 60118-13:2005
Electroacoustics - Hearing aids - Part 13: Electromagnetic compatibility (EMC)

Definitive Text - EN 60118-13:2005
Electroacoustics - Hearing aids - Part 13: Electromagnetic compatibility (EMC)

Definitive Text - EN 60118-13:2005
Electroacoustics - Hearing aids - Part 13: Electromagnetic compatibility (EMC)

Definitive Text - EN 60118-15:2012
Electroacoustics - Hearing aids - Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal

Definitive Text - EN 60118-15:2012
Electroacoustics - Hearing aids - Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal

Definitive Text - EN 60118-15:2012
Electroacoustics - Hearing aids - Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal

Definitive Text - EN 62585:2012
Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter

Definitive Text - EN 62585:2012
Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter

Definitive Text - EN 62585:2012
Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter

Definitive Text - EN 62585:2012
Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter

Definitive Text - EN 62585:2012
Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter

Definitive Text - EN 62585:2012
Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter

Definitive Text - EN 60601-2-66:2013
Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems

Definitive Text - EN 60601-2-66:2013
Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems

Definitive Text - EN 60601-2-66:2013
Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems

Definitive Text - EN 61094-8:2012/AC:2013
Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison

Definitive Text - EN 61094-8:2012/AC:2013
Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison

Definitive Text - EN 61094-8:2012/AC:2013
Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison

Definitive Text - EN 61094-8:2012
Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison

Definitive Text - EN 61094-8:2012
Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison

Definitive Text - EN 61094-8:2012
Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison