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Standard No.	Title	Price(USD)	Delivery	Status	Add to Cart
GB/T 25102.100-2010	Electroacoustics—Hearing aids—Part 0:Measurement of electroacoustical characteriistics	$300.00	via email in 1~3 business day	valid,,2011-4-1
GB/T 25102.12-2018	Electroacoustics—Hearing aids—Part 12:Dimensions of electrical connector systems	$250.00	via email in 1~3 business day	valid,,2019-1-1
GB/T 25102.2-2010	Electroacoustics—Hearing aids—Part 2:Hearing aids with automatic gain control circuits	$330.00	via email in 1~3 business day	valid,,2011-4-1
GB/T 25102.4-2010	Electroacoustics—Hearing aids—Part 4:Induction loop systems for hearing aid purposes—Magnetic field strength	$420.00	via email in 1~3 business day	valid,,2011-4-1
GB/T 25102.6-2017	Electroacoustics-Hearing aids-Part 6:Characteristics of electrical input circuits for hearing aids	$80.00	via email in 1~3 business day	valid,,2018-5-1
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	$250.00	via email in 1~3 business day	valid,,2018-4-1
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	$370.00	via email in 1~3 business day	valid,,2018-5-1
GB/T 25498.1-2010	Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones	$190.00	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	$160.00	via email in 1~3 business day	valid,,2011-5-1
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	$160.00	via email in 1~3 business day	valid,,2018-4-1
GB/T 25612-2010	Earth-moving machinery—Determination of sound power level—Stationary test conditions	$330.00	via email in 1~3 business day	valid,,2011-3-1
GB/T 25613-2010	Earth-moving machinery—Determination of emission sound pressure level at operators position—Stationary test conditions	$160.00	via email in 1~3 business day	valid,,2011-3-1
GB/T 25614-2010	Earth-moving machinery—Determination of sound power level—Dynamic test conditions	$480.00	via email in 1~3 business day	valid,,2011-3-4
GB/T 25615-2010	Earth-moving machinery—Determination of emission sound pressure level at operators position—Dynamic test conditions	$160.00	via email in 1~3 business day	valid,,2011-3-29
GB/T 27693-2011	Safety of industrial trucks - Test methods for measuring noise emissions	$210.00	via email in 1~3 business day	valid,,2012-6-1
GB/T 27763-2011	Acoustics - Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance	$330.00	via email in 1~3 business day	valid,,2012-5-1
GB/T 2888-1991	Methods of noise measurement for fans, blowers compressors and Roots blowers	$420.00	via email in 1~5 business day	superseded,2009-2-1,1992-8-1
GB/T 31004.1-2014	Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 1:Laboratory measurements	$120.00	via email in 1~3 business day	valid,,2015-2-1
GB/T 31004.2-2014	Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 1:Laboratory measurements	$220.00	via email in 1~3 business day	valid,,2015-2-1
GB/T 31004.3-2014	Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 3:Laboratory measurements at low frequencies	$250.00	via email in 1~3 business day	valid,,2015-2-1
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