Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 14573.4-1993 Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 4: Methods for stated values for batches of machines 150.0 via email in 1~3 business day valid
GB/T 21232-2007 Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens 270.0 via email in 1~3 business day valid
GB/T 14573.2-1993 Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 2: Methods for stated values for individual machines 30.0 via email in 1~3 business day valid
GB/T 16402-1996 Acoustics-Reference equivalent threshold sound pressure levels for pure tones and insert earphones 150.0 via email in 1~3 business day valid
GB/T 5111-1995 Acoustics-Measurement of noise emitted by railbound vehicles 90.0 via email in 1~3 business day abolished
JJG 992-2004 Verification Regulation of the Measurement Instruments of Sound Intensity 360.0 via email in 1~3 business day valid
GB/Z 27764-2011 Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method 450.0 via email in 1~3 business day valid
GB 18083-2000 Health protection zone standards for industrial enterprises by noise 45.0 via email in 1 business day valid
GBJ 122-1988 of noise produced by industrial enterprises 240.0 via email in 1~3 business day valid
GB/T 16538-2008 Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method in situ 300.0 via email in 1~5 business day valid
GB/T 4854.5-2008 Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 120.0 via email in 1~3 business day valid
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 1~8 business day valid
GB/T 22156-2008 Acoustics - Procedure for the comparison of noise-emission data for machinery and equipment 270.0 via email in 1~3 business day valid
JJG 990-2004 Verification Regulation for Acoustic Detector 240.0 via email in 1~3 business day valid
GB/T 25612-2010 Earth-moving machinery—Determination of sound power level—Stationary test conditions 360.0 via email in 1~3 business day valid
GB/T 17252-1998 Acoustics - Characteristics and measurements of ultrasonic piezoelectric transducers up to 100 kHz 150.0 via email in 1~3 business day valid
JJF 1146-2006 Calibration Specification for Acoustic Characteristcs of Anechoic Water Tanker 240.0 via email in 1~3 business day valid
GB/T 15173-2010 Electroacoustics—Sound calibrators 990.0 via email in 1~3 business day valid
GB/T 4964-2010 Measurement of noise emitted by vessels on inland waterways and harbours 180.0 via email in 1~3 business day valid
JJF 1191-2008 Calibration Specification for Acoustic Performance of Audiometry Rooms 360.0 via email in 1~5 business day valid
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