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Chinese Standard Classification
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| Position: Search | valid to be valid superseded to be superseded abolished to be abolished |
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GB/T 14259-1993 - Guide to Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings
Issued on: 1993-3-17 Price(USD): 50.0 |
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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
Issued on: 2000-3-1 Price(USD): 210.0 |
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JJF 1281-1990 O.T.N. of the Primary Standard for Audiometric Zero Level of Bone Conduction
Issued on: 1999-6-4 Price(USD): 184.0 |
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GB/T 14367-2006 of sound power levels of noise sources―Guidelines for the use of basic Standards
Issued on: 2006-7-25 Price(USD): 370.0 |
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JJG 992-2004 Verification Regulation of the Measurement Instruments of Sound Intensity
Issued on: 2004-9-21 Price(USD): 360.0 |
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GB/T 4129-2003 Acoustics--Requirements for the performance and calibration o reference sound sources used for determination of sound power levels
Issued on: 2003-4-1 Price(USD): 180.0 |
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JJG (电子) 15022-1991 General Pulse Signal Generator (Trial Implementation)
Issued on: Price(USD): 180.0 |
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JJG (电子) 15004-1988 XFC-2 Type Standard Signal Generator (Trial Implementation)
Issued on: Price(USD): 135.0 |
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GB/T 14369-2011 Acoustics—Measurement methods of insertion loss,echo reduction and sound absorption coefficient for underwater acoustical material samples
Issued on: 2011-12-30 Price(USD): 270.0 |
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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
Issued on: 1998-03-18 Price(USD): 180.0 |
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GB/T 15485-1995 Acoustics-Methods for the calculation of the articulation index of speech
Issued on: 1995-07-03 Price(USD): 240.0 |
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GB/T 14365-2017 Acoustics—Measurements of sound pressure level emitted by stationary road vehicles
Issued on: Price(USD): 140.0 |
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GB/T 3222.2-2009 Acoustics—Description measurement and assessment of environmental noise—Part 2:Determination of environmental noise levels
Issued on: 2009-9-30 Price(USD): 420.0 |
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JJG 893-1995 Ultrasonic Source for Doppler Fetel Heart Beat Detector
Issued on: 1995-05-02 Price(USD): 264.0 |
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GB/T 6882-2008 Acoustics - Determination of sound power levels of noise sources using pressure - Precision methods for anechoic and hemi-anechoic rooms
Issued on: 2008-7-2 Price(USD): 480.0 |
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GB/T 16296-1996 Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure tone and narrow-band test signals
Issued on: 1996-4-12 Price(USD): 210.0 |
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JJG 778-1992 Noise level Statistical Analyzers
Issued on: Price(USD): 100.0 |
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GB/T 27763-2011 Acoustics - Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance
Issued on: 2011-12-30 Price(USD): 330.0 |
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JJG 188-2002 Verification Regulation of Sound Level Meters
Issued on: 2002-9-13 Price(USD): 900.0 |
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JJG (轻工) 100-1993 Verification Regulation of Tonometers with Single-disc Stroboflash
Issued on: Price(USD): |
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