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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "Electroacous" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 25498.5-2017
  • 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 Electroacous
    China National Standards
  • GB/T 20441.5-2017
  • Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison Electroacous
    China National Standards
  • GB/T 25102.8-2017
  • Electroacoustics—Hearing aids—Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions Electroacous
    China National Standards
  • GB/T 25102.6-2017
  • Electroacoustic—Hearing aids—Part 6: Characteristics of electrical input circuits for hearing aids Electroacous
    China National Standards
  • GB/T 20441.6-2017
  • Electroacoustics—Measurement microphones—Part 6: Electrostatic actuators for determination of frequency response Electroacous
    China National Standards
  • GB/T 25102.7-2017
  • Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes Electroacous
    China National Standards
  • GB/T 32671.1-2016
  • Colloidal systems—Methods for zeta potential determination—Part 1: Electroacoustic and electrokinetic phenomena Electroacous
    China National Standards
  • GB/T 32522-2016
  • Acoustics—Electroacoustic characteristics and measurements of spherically focusing ultrasonic transducers Electroacous
    China National Standards
  • SJ/T 10725-2013
  • Electroacoustics. Measurement methods of electroacoustic characteristics for measurement condenser microphones Electroacous
    China Electronics Standards
  • SJ/T 10724-2013
  • Electroacoustics. General specification of measurement condenser microphones Electroacous
    China Electronics Standards
  • SJ/T 9148-2013
  • Electroacoustics. Instruments for measurement of aircraft noise-Performance requirements for systems to measure on-third-octave band sound pressure levels in noise certification of transport-category aeroplanes Electroacous
    China Electronics Standards
  • GB/T 3769-2010
  • Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagrams Electroacous
    China National Standards
  • GB/T 25498.3-2010
  • Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry Electroacous
    China National Standards
  • GB/T 3785.1-2010
  • Electroacoustics - Sound level meters - Part 1: Specifications Electroacous
    China National Standards
  • GB/T 25498.1-2010
  • Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones Electroacous
    China National Standards
  • GB/T 3785.2-2010
  • Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests Electroacous
    China National Standards
  • GB/T 20441.1-2010
  • Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones Electroacous
    China National GB Standards
  • GB/T 3241-2010
  • Electroacoustics - Octave-band and fractional-octave-band filters Electroacous
    China National Standards
  • GB/T 25102.13-2010
  • Electroacoustics - Hearing aids - Part13: Electromagnetic compatibility (EMC) Electroacous
    China National Standards
  • GB/T 20441.3-2010
  • Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique Electroacous
    China National GB Standards
  • GB/T 25102.1-2010
  • Electroacoustics - Hearing aids - Part 1:Hearing aids with induction pick-up coil input Electroacous
    China National Standards
  • GB/T 15173-2010
  • Electroacoustics - Sound calibrators Electroacous
    China National GB Standards
  • GB/T 15952-2010
  • Electroacoustics - Specifications for personal sound exposure meters Electroacous
    China National GB Standards
  • GB/T 25102.100-2010
  • Electroacoustics - Hearing aids - Part 0:Measurement of electroacoustical characteristics Electroacous
    China National Standards
  • GB/T 7341.1-2010
  • Electroacoustics - Audiological equipment - Part 1: Pure-tone audiometers Electroacous
    China National Standards
  • GB/T 14199-2010
  • Electroacoustics - General specification for hearing aid Electroacous
    China National GB Standards
  • GB/T 25102.2-2010
  • Electroacoustics - Hearing aids - Part 2: Hearing aids with automatic gain control circuits Electroacous
    China National Standards
  • GB/T 25102.4-2010
  • Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strength Electroacous
    China National Standards
  • GB/T 2900.86-2009
  • Electrotechnical terminology - Acoustics and Electroacoustics Electroacous
    China National Standards
  • YY/T 1089-2007
  • Electroacoustic characteristics and measurement methods of single element pulse-echo ultrasonic transducers Electroacous
    China Medicine & Medical Device Standards
  • SJ/T 10661-1995
  • Electroacoustic parameters and testing methods of loudspeaker system for cinefilm projection Electroacous
    China Electronics Standards
  • SJ/T 10598-1994
  • Type designation for Electroacoustic devices Electroacous
    China Electronics Standards
  • SJ 20128-1992
  • Environmental test methods for communication Electroacoustic transducers Electroacous
    China Electronics Standards

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