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Standard No. Title Price(USD) Delivery Status Add To Cart
GB 3451-1982 Standard tuning frequency (USD) via email in 1-3 business day VALID
JJF 1281-1990 O.T.N. of the Primary Standard for Audiometric Zero Level of Bone Conduction (USD) via email in 1 business day VALID
GB/T 5266-2006 Acoustics—Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials—Pulse tube method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 16296-1996 Acoustics-Audiometric test methods-Part 2: Sound field audiometry with pure tone and narrow-band test signals via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 19889.6-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 6:Laboratory measurments of impact sound insulation of floors via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JJG 746-2004 Verification Regulation for Ultrasonic Flaw Detectors (USD) via email in 1-3 business day VALID
GB/T 15951-1995 Mechanical coupler for measurements on bone vibrators via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 17248.3-1999 Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Survey method in situ via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 19889.18-2017 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 18:Laboratory measurement of sound generated by rainfall on building elements (USD) via email in 1-3 business day VALID
GB/T 7341.3-1998 Audiometers -Part 3 : Auditory test signals of short duration for audiometric and neuro-otological purposes via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 16404-1996 Acoustics-Determination of sound power levels of noise sources using sound intensity—Part 1: Measurement at discrete points via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 22159.4-2017 Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 4:Dynamic stiffness of elements other than resilient supports for translatory motion (USD) via email in 1-5 business day VALID
GB/T 25079-2010 Acoustics—Applicationofnew measurementmethodsin (USD) via email in 1-3 business day VALID
JJG (电子) 12042-1995 Verification Regulation of 925D/2 Type Video Noise Gauge (Trial Implementation) (USD) via email in 1 business day VALID
JJF 1276-1990 O.T.N of Primary Standard for Watt Level Ultrasonic Power (USD) via email in 1 business day VALID
GB/T 21228.1-2007 Acoustics - Sound-scattering properties of surfaces - Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room (USD) via email in 1-3 business day VALID
GB/T 21229-2007 Acoustics - Determination of sound power levels of noise from air-terminal devices air-terminal units dampers and valves by measurement in a reverberation room via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 17248.6-2007 Acoustics - Noise emitted by machinery and equipment - Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity (USD) via email in 1-3 business day VALID
GB/T 15173-2010 Electroacoustics—Sound calibrators (USD) via email in 1-8 business day VALID
GB/T 4854.3-1998 Acoustics-Reference zero for the calibration of audiometric equipment-Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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