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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 16407-2006 Acoustics - Characteristics and measurements of field of Pressurepulse lithotripters $250.00 via email in 1~3 business day valid
GB/T 16538-1996 Acoustics-Determination of sound power levels of noise sources using sound pressure-Survey method using a reference sound source $270.00 via email in 1~3 business day abolished
GB/T 16538-2008 Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method in situ $280.00 via email in 1~5 business day valid
GB/T 16539-1996 Acoustics-Determination of sound power levels of noise sources using vibration velocity-Measurement for seal machinery $220.00 via email in 1~3 business day valid
GB/T 16540-1996 Acoustics-Measurement and characterisation of ultrasonic fields in the frequency range 0.5MHz to 15MHz-Hydrophone method $450.00 via email in 1~3 business day valid
GB/T 16955-1997 Acoustics - Tractors and machinery for agriculture and forestry - Measurement of noise at the operators position - Survey method $160.00 via email in 1~3 business day valid
GB/T 17213.14-2018 Industrial-process control valves—Part 8-2:Noise considerations—Laboratory measurement of noise generated by hydrodynamic flow through control valves $250.00 via email in 1~3 business day valid
GB/T 17213.15-2017 Industrial-process control valves—Part 8-3: Noise considerations—Control valve aerodynamic noise prediction method $690.00 via email in 1~3 business day valid
GB/T 17247.1-2000 Acoustics--Attenuation of sound during propagation outdoors--Part 1:Calculation of the absorption of sound by the atmosphere $480.00 via email in 1~5 business day valid
GB/T 17247.2-1998 Acoustics - Attenuation of sound during propagation outdoors - Part 2: General method of calculation $300.00 via email in 1~3 business day valid
GB/T 17248.1-2000 Acoustics - Noise emitted by machinery and equipment - Guidelines for the use of basic Standards for the determination of emission sound pressure levels at a work station and at othe $210.00 via email in 1~3 business day abolished
GB/T 17248.1-2022 Acoustics—Noise emitted by machinery and equipment—Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions $555.00 via email in 1~3 business day valid
GB/T 17248.2-1999 Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Engineering method in an essentially free field over a reflecting plane $240.00 via email in 1~3 business day superseded
GB/T 17248.2-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections $450.00 via email in 1~5 business day valid
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 $250.00 via email in 1~3 business day superseded
GB/T 17248.3-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections $550.00 via email in 1~5 business day valid
GB/T 17248.4-1998 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure level at a workstation and at other specified position from the sound power level $150.00 via email in 1~3 business day abolished
GB/T 17248.5-1999 Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Method requiring environmental corrections $300.00 via email in 1~3 business day superseded
GB/T 17248.5-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections $490.00 via email in 1~5 business day valid
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 p $280.00 via email in 1~3 business day valid
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