2025-12-19 216.73.216.41
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
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 370.0 via email in 1~3 business day valid,,2018-5-1
GB/T 20441.5-2017 Electroacoustics--Measurement microphones--Part 5: Methods for pressure calibration of workingstandard microphones by comparison 250.0 via email in 1~3 business day valid,,2018-4-1
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 250.0 via email in 1~3 business day valid,,2018-4-1
GB/T 25498.5-2017 Electroacoustics--Simulators of human head and ear--Part 5: 2 cm3 coupler for the measurement of hearingaids and earphones coupled to the ear by means of ear inserts 160.0 via email in 1~3 business day valid,,2018-4-1
GB/T 32671.1-2016 Methods for the measurement of zeta potential in colloidal systems - Part 1: Electroacoustical and electrokinetic phenomena 370.0 via email in 1~5 business day valid,,2016-11-1
YY/T 0937-2014 Technical requirments for ultrasonically tissue-mimicking phantom 220.0 via email in 1~3 business day superseded,2023-6-1,2015-7-1
YY/T 0458-2014 Technical requirements for ultrasonically blood-mimicking Doppler phantom 310.0 via email in 1~5 business day valid,,2015-7-1
YY/T 0642-2014 Ultrasonics―Field characterization―Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields 690.0 via email in 1~5 business day superseded,2024-9-1,2015-7-1
GB/T 3769-2010 Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagrams 150.0 via email in 1 business day valid,,2011-5-1
GB/T 25498.1-2010 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones 190.0 via email in 1~3 business day valid,,2011-5-1
GB/T 7341.1-2010 Electroacoustics—Audiological equipment—Part 1:Pure-tone audiometers 360.0 via email in 1~3 business day valid,,2011-5-1
GB/T 20441.3-2010 Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique 280.0 via email in 1~3 business day valid,,2011-5-1
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 160.0 via email in 1~3 business day valid,,2011-5-1
GB/T 20441.1-2010 Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones 160.0 via email in 1~3 business day valid,,2011-5-1
GB/T 15952-2010 Electroacoustics - Specifications for personal sound exposure meters 320.0 via email in 1~3 business day valid,,2011-5-1
GB/T 3241-2010 Electroacoustics - Octave-band and fractional-octave-band filters 390.0 via email in 1~3 business day superseded,2025-12-1,2011-5-1
GB/T 25102.1-2010 Electroacoustics - Hearing aids - Part 1：Hearing aids with induction pick-up coil input 70.0 via email in 1~3 business day valid,,2011-4-1
GB/T 3785.2-2010 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests 390.0 via email in 1~5 business day superseded,1998-8-1,2011-4-1
GB/T 25102.4-2010 Electroacoustics—Hearing aids—Part 4:Induction loop systems for hearing aid purposes—Magnetic field strength 420.0 via email in 1~3 business day valid,,2011-4-1
GB/T 14199-2010 Electroacoustics—General specification for hearing aids 150.0 via email in 1 business day valid,,2011-4-1
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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 
  Issued on: 2017-11-01   Price(USD): 370.0
GB/T 20441.5-2017 Electroacoustics--Measurement microphones--Part 5: Methods for pressure calibration of workingstandard microphones by comparison 
  Issued on: 2017-09-07   Price(USD): 250.0
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 
  Issued on: 2017-09-07   Price(USD): 250.0
GB/T 25498.5-2017 Electroacoustics--Simulators of human head and ear--Part 5: 2 cm3 coupler for the measurement of hearingaids and earphones coupled to the ear by means of ear inserts 
  Issued on: 2017-09-07   Price(USD): 160.0
GB/T 32671.1-2016 Methods for the measurement of zeta potential in colloidal systems - Part 1: Electroacoustical and electrokinetic phenomena 
  Issued on: 2016-04-25   Price(USD): 370.0
YY/T 0937-2014 Technical requirments for ultrasonically tissue-mimicking phantom 
  Issued on: 2014-06-17   Price(USD): 220.0
YY/T 0458-2014 Technical requirements for ultrasonically blood-mimicking Doppler phantom 
  Issued on: 2014-06-17   Price(USD): 310.0
YY/T 0642-2014 Ultrasonics―Field characterization―Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields 
  Issued on: 2014-06-17   Price(USD): 690.0
GB/T 3769-2010 Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagrams 
  Issued on: 2010-12-1   Price(USD): 150.0
GB/T 25498.1-2010 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones 
  Issued on: 2010-12-1   Price(USD): 190.0
GB/T 7341.1-2010 Electroacoustics—Audiological equipment—Part 1:Pure-tone audiometers 
  Issued on: 2010-12-1   Price(USD): 360.0
GB/T 20441.3-2010 Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique 
  Issued on: 2010-12-1   Price(USD): 280.0
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 
  Issued on: 2010-12-1   Price(USD): 160.0
GB/T 20441.1-2010 Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones 
  Issued on: 2010-12-1   Price(USD): 160.0
GB/T 15952-2010 Electroacoustics - Specifications for personal sound exposure meters 
  Issued on: 2010-12-1   Price(USD): 320.0
GB/T 3241-2010 Electroacoustics - Octave-band and fractional-octave-band filters 
  Issued on: 2010-12-1   Price(USD): 390.0
GB/T 25102.1-2010 Electroacoustics - Hearing aids - Part 1：Hearing aids with induction pick-up coil input 
  Issued on: 2010-9-2   Price(USD): 70.0
GB/T 3785.2-2010 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests 
  Issued on: 2010-09-02   Price(USD): 390.0
GB/T 25102.4-2010 Electroacoustics—Hearing aids—Part 4:Induction loop systems for hearing aid purposes—Magnetic field strength 
  Issued on: 2010-9-2   Price(USD): 420.0
GB/T 14199-2010 Electroacoustics—General specification for hearing aids 
  Issued on: 2010-9-2   Price(USD): 150.0
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