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Title Standard No. Implemented On
Electroacoustics—Measurement microphones—Part 2:Primary method for pressure calibration of laboratory standard microphones by the reciprocity techniqueGB/T 20441.2-20182019-1-1
Electroacoustics—Sound level meters—Part 3:Periodic testsGB/T 3785.3-20182019-1-1
Electroacoustics—Audiometric equipment—Part 5:Instruments for the measurement of aural acoustic impedance/admittanceGB/T 7341.5-20182019-1-1
Acoustics—Specification of test tracks for measuring noise emitted by road vehicles and their tyresGB/T 22157-20182018-10-1
Acoustics—Audiometric test methods—Part 1:Pure-tone air and bone conduction audiometryGB/T 16296.1-20182018-10-1
Acoustics—Measurement of room acoustic parameters—Part 1: Performance spacesGB/T 36075.1-20182018-10-1
Acoustics—Measurement of room acoustic parameters—Part 3: Open plan officesGB/T 36075.3-20182018-10-1
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 1: Airborne noise measurementGB/T 21231.1-20182018-10-1
Acoustics—Measurement of room acoustic parameters—Part 2: Reverberation time in ordinary roomsGB/T 36075.2-20182018-10-1
Acoustics—Procedures for determination of transmission loss, flow noise and total pressure loss coefficient for arrayed element dissipative silencers—Equivalent measurementGB/T 36079-20182018-10-1
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurementsGB/T 21231.2-20182018-10-1
Electroacoustics-Measurement microphones-Part 6:Electrostatic actuators for determination of frequency responseGB/T 20441.6-20172018-5-1
Acoustics―Determination of dynamic stiffness―Part 1:Materials used under floating floors in dwellingsGB/T 35426.1-20172018-4-1
Acoustics―Determination of sound power levels and sound energy levels ofnoise sources using sound pressure―Survey method using an envelopingmeasurement surface over a reflecting planeGB/T 3768-20172018-4-1
Acoustics―Measurement of sound insulation in buildings and of building elements―Part 18:Laboratory measurement of sound generated by rainfall on building elementsGB/T 19889.18-20172018-4-1
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 insertsGB/T 25498.5-20172018-4-1
Acoustics—Measurements of sound pressure level emitted by stationary road vehiclesGB/T 14365-20172018-4-1
Acoustics―Audiometric test methods―Part 3:Speech audiometryGB/T 16296.3-20172018-4-1
Electroacoustics--Measurement microphones--Part 5: Methods for pressure calibration of workingstandard microphones by comparisonGB/T 20441.5-20172018-4-1
Acoustics-Determination of sound power levels and sound energy levels of noise sources using sound pressure-Engineering methods for an essentially free field over a reflecting planeGB/T 3767-20162016-9-1
Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 3:Laboratory measurements at low frequenciesGB/T 31004.3-20142015-2-1
Acoustics―Determination of sound power radiated into a duct by fans and other air-moving devices―In-duct methodGB/T 17697-20142015-2-1
Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 1:Laboratory measurementsGB/T 31004.2-20142015-2-1
Acoustics―Determination of occupational noise exposure―Engineering methodGB/T 21230-20142015-2-1
Acoustics―Acoustic insulation for pipes,valves and flangesGB/T 31013-20142015-2-1
Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 1:Laboratory measurementsGB/T 31004.1-20142015-2-1
Acoustics―Reference zero for the calibration of audiometric equipment―Part 6:Reference hearing threshold levels for test signals of short durationGB/T 4854.6-20142015-2-1
Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 2:Direct method for determination of the dynamic stiffness of resilient supports for translatory motionGB/T 22159.2-20122013-6-1
Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 1:Principles and guidelinesGB/T 22159.1-20122013-6-1
Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workroomsGB/T 17249.3-20122013-2-15
Acoustics - Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance GB/T 27763-20112012-5-1
Acoustics—Measurement of noise emitted by railbound vehicleGB/T 5111-20112012-5-1
Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method GB/Z 27764-20112012-5-1
Acoustics—Measurement of noise inside railbound vehiclesGB/T 3449-20112012-5-1
Acoustics—Measurement methods of insertion loss,echo reduction and sound absorption coefficient for underwater acoustical material samplesGB/T 14369-20112012-5-1
Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagramsGB/T 3769-20102011-5-1
Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphonesGB/T 20441.1-20102011-5-1
Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometryGB/T 25498.3-20102011-5-1
Electroacoustics - Specifications for personal sound exposure metersGB/T 15952-20102011-5-1
Electroacoustics - Octave-band and fractional-octave-band filtersGB/T 3241-20102011-5-1
Electroacoustics—Audiological equipment—Part 1:Pure-tone audiometersGB/T 7341.1-20102011-5-1
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphonesGB/T 25498.1-20102011-5-1
Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity techniqueGB/T 20441.3-20102011-5-1
Electroacoustics—Sound level meters—Part 2:Pattern evaluation testsGB/T 3785.2-20102011-4-1
Acoustics—Materials for acoustical applications—Determination of airflow resistanceGB/T 25077-20102011-4-1
Electroacoustics—Sound level meters—Part 1:SpecificationsGB/T 3785.1-20102011-4-1
Electroacoustics—Sound calibratorsGB/T 15173-20102011-4-1
Acoustics—Recommended practice for the design of low-noise machinery and equipment—Part 1:PlanningGB/T 25078.1-20102011-4-1
Acoustics - Application of new measurement methods in building and room acoustics - MLS and SS methodsGB/T 25079-20102011-4-1
Acoustics—Measurement of sound insulation in buildings and of building elements—Part 14:Guidelines for special situations in the fieldGB/T 19889.14-20102011-4-1
Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 2: Introduction to the physics of low noise designGB/T 25078.2-20102011-4-1
Acoustics—Description measurement and assessment of environmental noise—Part 2:Determination of environmental noise levelsGB/T 3222.2-20092010-2-1
Acoustics—Ultrasonics power measurement—Radiation force balances and performance requirementsGB/T 7966-20092009-12-1
Acoustics—Measurement of underwater noiseGB/T 5265-20092009-12-1
Calibration Specification for Standing Wave Tubes(Method Using Standing Wave Ratio)JJF 1223-20092009-10-10
Calibration Specification for Sound Power MetersJJF 1228-20092009-10-10
HVDC converter station audible noiseGB/T 22075-20082009-4-1
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 16GB/T 4854.5-20082009-2-1
Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method in situGB/T 16538-20082009-2-1
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditionsGB/T 4854.7-20082009-2-1
Acoustics - Determination of sound power levels of noise sources using pressure - Precision methods for anechoic and hemi-anechoic roomsGB/T 6882-20082009-2-1
Calibration Specification for Acoustic Performance of Audiometry RoomsJJF 1191-20082008-6-24
Acoustics - Guidelines for the measurement and assessment of exposure to noise in a working environmentGB/T 21230-20072008-5-1
Acoustics - Method for the measurement of airborne noise emitted by small air-moving devicesGB/T 21231-20072008-5-1
Acoustics—Normal equal-loudness-level contoursGB/T 4963-20072008-5-1
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 pGB/T 17248.6-20072008-5-1
Acoustics - Determination of sound power levels of noise from air-terminal devices air-terminal units dampers and valves by measurement in a reverberation roomGB/T 21229-20072008-5-1
Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphonesGB/T 4854.8-20072008-5-1
Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screensGB/T 21232-20072008-5-1
Acoustics - Assessment of noise annoyance by means of social and socio-acoustics surveysGB/Z 21233-20072008-5-1
Acoustics - Sound-scattering properties of surfaces - Part 1: Measurement of the random-incidence scattering coefficient in a reverberation roomGB/T 21228.1-20072008-5-1
Calibration Specification for PsophometersJJF 1167-20072007-8-28
Verification Regulation for Ultrasonic Source of Ultrasonic Doppler Foetal MetersJJG 893-20072007-8-28
Verification Regulation of Standard Hydrophones in the Frequency Range 1 kHz~1 MHzJJG 1017-20072007-5-28
Verification Regulation of Standard Hydrophones in the Frequency Range 1 Hz to 2 kHzJJG 1018-20072007-5-28
Calibration Specification for SINAD MetersJJF 1165-20072007-5-28
Verification Regulation of Working Standard Microphones (Coupler Comparison Method)JJG 1019-20072007-5-28
Measurement microphones—Part 4: Specifications for working standard microphonesGB/T 20441.4-20062007-2-1
Calibration Specification for Measuring AmplifiersJJF 1157-20062006-12-6
Acoustics―Guidelines for noise control by silencersGB/T 20431-20062006-12-1
Acoustics―Measurement of sound insulation in buildings and of building elements―Part 5: Field measurements of airborne sound insulation of facade elements and facadesGB/T 19889.5-20062006-12-1
GB/T 1988 9.10-2006 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 10: Laboratory measurements of airborne sound insulation of small building elementsGB/T 1988 9.10-20062006-12-1
Acoustics―Noise control design procedures for open plantGB/T 20430-20062006-12-1
of sound power levels of noise sources―Guidelines for the use of basic StandardsGB/T 14367-20062006-12-1
Acoustics - Measurement of sound insulation in buildings and of building elements - Part 8 :Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floorGB/T 19889.8-20062006-12-1
Acoustics - Procedures for the measurements of real-ear acoustical characteristics of hearing aidsGB/T 20242-20062006-11-1
Acoustics - Measurement of Sound Absorption in a Reverberation RoomGB/T 20247-20062006-11-1
Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight GB/T 20248-20062006-11-1
Acoustics - Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment - Engineering methodGB/T 20246-20062006-11-1
Acoustics—Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials—Pulse tube methodGB/T 5266-20062006-11-1
Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanningGB/T 16404.3-20062006-11-1
V.R.of Ultrasonic Test instrument of ConcreteJJG (交通) 070-20062006-10-1
Calibration Specification for Acoustic Performance of Reverberation RoomsJJF 1143-20062006-8-23
Calibration Specification for Building AcousticJJF 1142-20062006-8-23
Calibration Specfication for Acoustic Performance of Anechoic Rooms and Hemi-anechoic RoomsJJF 1147-20062006-8-23
Calibration Specification for Electret Microphone InstrumentJJF 1145-20062006-8-23
Calibration Specification for Acoustic Characteristcs of Anechoic Water TankerJJF 1146-20062006-8-2
Verification Regulation of Laboratory Standard Microphones (Free-field Reciprocity Method)JJG 482-20052006-4-9
Metrological Terms and Their Definitions for AcousticsJJF 1034-20052006-4-9
Verification Regulation of Laboratory Standard Microphones (Coupler Reciprocity Method)JJG 790-20052006-4-9
GB/T 1988 9.1-2005 Acoustics - Stationary audible warning devices used outdoors - Part 1: Field measurements for determination of sound emission quantitiesGB/T 1988 9.1-20052006-4-1
GB/T 1988 9.6-2005 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 6: Laboratory measurments of impact sound insulation of floorsGB/T 1988 9.6-20052006-4-1
Acoustics-Measurement of sound insulation in buildings and of building elements-Part2:Determination,verification and application of precision dataGB/T 19889.2-20052006-4-1
Accoustics—Measurement of sound insulation in buildings and of building elements—Part 3:Laboratory measurements of airborne sound insulation of building elements—Part 3:Laboratory measurements of airborne sound insulation of building elementsGB/T 19889.3-20052006-4-1
GB/T 1988 9.4-2005 Acoustics - Measurements of sound insulation in buildings and of building elements - Part 4: Field measurements of airborne sound insulation between roomsGB/T 1988 9.4-20052006-4-1
Acoustics-High intensity focused ultrasound(HIFU)measurements of acoustic power and field characteristicsGB/T 19890-20052006-4-1
GB/T 1988 9.7-2005 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 7: Field measurements of impact sound insulation of floorsGB/T 1988 9.7-20052006-4-1
Calibration Specification of TonometersJJF 1136-20052006-1-9
Calibration Specification for Microphone PreamplifiersJJF 1137-20052006-1-9
Verification Scheme of Measuring Instruments for Underwater Sound PressureJJG 2017-20052005-10-28
Verification Regulation of Ultrasonic Power Meters for Watt LevelJJG 448-20052005-10-28
Verification Regulation of Sound CalibratorsJJG 176-20052005-10-28
Noise Level Statistical AnalyzersJJG 778-20052005-10-28
JJG (民航) 0080-2005 Verification Regulation of Model 01-0328-00 IDENT TONE GENERATORJJG (民航) 0080-20052005-6-1
Verification Regulation of Ultrasonic Power Meter for Milliwatt LevelJJG 665-20042005-3-21
Verification Scheme of Measuring Instruments for Air Borne Acoustics PressureJJG 2037-20042005-3-21
Verification Scheme of Measuring Instruments for AudiometryJJG 2038-20042005-3-21
Verification Regulation for Ultrasonic Flaw DetectorsJJG 746-20042005-3-21
Verification Regulation of Aural Impedance AudiometersJJG 991-20042004-12-21
Verification Regulation for Acoustic DetectorJJG 990-20042004-12-21
Verification Regulation of Digital Audio GeneratorsJJG 994-20042004-12-21
Verification Regulation of the Measurement Instruments of Sound IntensityJJG 992-20042004-12-21
Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1:Method using standing wave ratioGB/T 18696.1-20042004-12-1
Acoustics?Reference zero for the calibration of audiometric equipment?Part 1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphonesGB/T 4854.1-20042004-12-1
Water Transport Engineering - Verification Regulation of Nonmetal Ultrasonic DetectorJJG (交通) 027-20042004-9-1
Verification Regulation of QO3 Type Noise Figure Metering Device JJG (电子) 04053-19952004-7-1
Verification Regulation of Sound CalibratorsJJG 176-19952004-5-24
Verification Regulation of Artificial EarsJJG 389-20032004-3-23
Verification Regulation of Personal Sound Exposure MetersJJG 980-20032003-12-23
Acoustics--Requirements for the performance and calibration o reference sound sources used for determination of sound power levelsGB/T 4129-20032003-12-1
JJG (铁道) 130-2003 Ultrasonic Flaw Detector for RailJJG (铁道) 130-20032003-8-1
Verification Regulation of Integrating Sound Level metersJJG 699-19902003-3-13
Verification Regulation of Electro-acoustical Measurement Instruments for Telephone SetJJG 869-20022003-3-13
Verification Regulation of Sound Level MetersJJG 188-20022003-3-13
Acoustics - Determinatio of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer function methodGB/T 18696.2-20022002-12-1
Verification Regulation of Randon Vibration Test SystemJJG 529-19882002-7-1
Verification Regulation of Testing Instrument with Double-Channel EchoJJG (石油) 10-20002001-5-1
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 otheGB/T 17248.1-20002000-12-1
Acoustics--Attenuation of sound during propagation outdoors--Part 1:Calculation of the absorption of sound by the atmosphereGB/T 17247.1-20002000-12-1
O.T.N. of 3cm,5cm Coaxial Thermal Noise Primary StandardJJF 1306-19902000-12-1
Verification Regulation of Acoustic Tide GaugeJJG 947-19992000-3-15
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 situGB/T 17248.3-19991999-9-1
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 correctionsGB/T 17248.5-19991999-9-1
Verification Regulation of Measuring Hydrophone in the Frequency Range 1Hz to 1000HzJJG 340-19991999-9-1
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 planeGB/T 17248.2-19991999-9-1
Acoustics—Determination of sound power levels of noise sources using sound intensity—Part 2:Measurement by scanningGB/T 16404.2-19991999-9-1
Acoustics - Determination of sound power radiated into a duct by fans - In -duct methodGB/T 17697-19991999-9-1
O.T.N. of the Primary Standard for Audiometric Zero Level of Bone ConductionJJF 1281-19901999-6-4
O.T.N of the Secondary Standard for Coupler Reciprocity Method Acoustical PressureJJF 1270-19901999-6-4
O.T.N. of the Secondary Standard for the Ultrasonic Power of Milliwatt LevelJJF 1279-19901999-6-4
~JJF 1275-19901999-6-4
O.T.N.of the Secondary Standard for the Ultrasonic Power of Watt LevelJJF 1277-19901999-6-4
O.T.N. of the Primary Standard for the Sound Pressure of Reciprocity TechniqueJJF 1269-19901999-6-4
O.T.N. of Free-field Sound Pressure Primary Standard in AirJJF 1272-19901999-6-4
O.T.N. of the Primary Standard for Audiometric Zero Level of Air ConductionJJF 1280-19901999-6-4
O.T.N. of Primary Standard for electroacoustical free-field Acoustical PressureJJF 1271-19901999-6-4
O.T.N. of Primary Standard for Milliwatt Level Ultrasonic PowerJJF 1278-19901999-6-4
HY-6060 Type Electret Microphone Tester (Trial Implementation) JJG (电子) 12036-19911999-6-4
DF-5990A Type Loudspeaker Resonance Frequency Gauge (Trial Implementation) JJG (电子) 12037-19911999-6-4
O.T.N of Primary Standard for Watt Level Ultrasonic PowerJJF 1276-19901999-6-4
~JJF 1274-19901999-6-4
~JJF 1273-19901999-6-4
Verification Regulation of Ultrasonic Source for Medical Ultrasonic Diagnostic EquipmentJJG 639-19981999-3-1
- Part 4: Equipment for extended high-frequency audiometryGB/T 7341.4-19981998-12-1
- Part 2: Equipment for speech audiometryGB/T 7341.2-19981998-12-1
Audiometers. Part 1: Pure-tone audiometersGB/T 7341.1-19981998-12-1
- Part 3: Auditory test signals of short duration for audiometric and neuro-otological purposesGB/T 7341.3-19981998-12-1
Verification Regulation of Reference Sound SourceJJG 277-19981998-10-1
Acoustics--Calibration method of hydrophone acceleration sensitivityGB/T 17251-19981998-10-1
Verification Regulation of Measuring Condenser MicrophonesJJG 175-19981998-10-1
Acoustics - Attenuation of sound during propagation outdoors - Part 2: General method of calculationGB/T 17247.2-19981998-10-1
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 levelGB/T 17248.4-19981998-10-1
Acoustics-Reference zero for the calibration of audiometric equipment-Part 3: Reference equivalent threshold force levels for pure tones and bone vibratorsGB/T 4854.3-19981998-10-1
Acoustics - Characteristics and measurements of ultrasonic piezoelectric transducers up to 100 kHzGB/T 17252-19981998-10-1
Verification Regulation of Measuring Hydrophone in the Frequency Range 500Hz to 1 MHzJJG 185-19971998-3-1
Verification regulation of ultrasonic source for ultrasonic doppler fetal monitorJJG 394-19971998-3-1
Acoustics - Tractors and machinery for agriculture and forestry - Measurement of noise at the operators position - Survey methodGB/T 16955-19971998-3-1
Verification Regulation of Noise - Vibration meter For measuring Envrionmental pollutionJJG 921-19961997-5-1
Acoustics-Determination of sound power levels of noise sources using vibration velocity-Measurement for seal machineryGB/T 16539-19961997-3-1
Acoustics-Measurement and characterisation of ultrasonic fields in the frequency range 0.5MHz to 15MHz-Hydrophone methodGB/T 16540-19961997-3-1
Acoustics-Determination of sound power levels of noise sources using sound pressure-Survey method using a reference sound sourceGB/T 16538-19961997-3-1
Acoustics - Characteristics and measurements of field of Pressurepulse lithotriptersGB/T 16407-20061996-12-1
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting planeGB/T 3768-19961996-12-1
Acoustics - Audiometric test methods - Basic pure tone air and bone conduction threshold audiometryGB/T 16403-19961996-12-1
Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Engineering Method in an Essentially Free Field over a Reflecting PlaneGB/T 3767-19961996-12-1
Instruments for the measurement of aural acoustic impedance/admittanceGB/T 15953-19951996-8-1
Specifications for personal sound exposure metersGB/T 15952-19951996-8-1
Mechanical coupler for measurements on bone vibratorsGB/T 15951-19951996-8-1
Acoustics-STANDARD hydrophoneGB/T 4128-19951996-2-1
Acoustics-Measurement of noise emitted by railbound vehiclesGB/T 5111-19951996-2-1
Acoustics-Measurement procedure for silencersGB/T 4760-19951996-2-1
Acoustics - Calibration of high frequency hydrophoneGB/T 15611-19951996-2-1
Acoustics--Determination of sound power levels of noise sources--Requirements for the performance and calibration of reference sound sourceGB/T 4129-19951996-2-1
Acoustics-Description and measurement of physical properties of sonic boomsGB/T 15484-19951996-2-1
Acoustics-Methods for the calculation of the articulation index of speechGB/T 15485-19951996-2-1
Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 1: Measurement at discrete pointsGB/T 16404-19961996-1-2
Acoustics-Reference equivalent threshold sound pressure levels for pure tones and insert earphonesGB/T 16402-19961996-1-2
Acoustics―Characteristics and measurements of field of pressure pulse lithotriptersGB/T 16407-19961996-1-2
Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure tone and narrow-band test signalsGB/T 16296-19961996-1-1
Ultrasonic Source for Doppler Fetel Heart Beat DetectorJJG 893-19951995-10-1
Sound calibratorsGB/T 15173-19941995-4-1
XFC-2 Type Standard Signal Generator (Trial Implementation) JJG (电子) 15004-19881995-3-1
Verification Regulation of HP8971C Type Noise Figure Test Device (Trial Implementation) JJG (电子) 15024-19951995-3-1
Verification Regulation of 4221 Type High Sound Pressure Microphone Calibrator (Trial Implementation) JJG (电子) 12044-19951995-3-1
General Pulse Signal Generator (Trial Implementation) JJG (电子) 15022-19911995-3-1
Verification Regulation of 925D/2 Type Video Noise Gauge (Trial Implementation) JJG (电子) 12042-19951995-3-1
Vdrification Regulation of Tone Burst GeneratorsJJG 199-19961994-12-1
Verification Regulation of Standard ultrasonic sources for MilliwattlevelJJG 868-19941994-11-1
Verification Regulation of Electro-acoustical Measurement Instruments for Telephone setJJG 869-19941994-11-1
Verification Regulation of Ultrasonic Power For Watt LevelJJG 448-19931994-2-1
- Guide to Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beingsGB/T 14259-19931993-12-1
Verification Regulation of Vibration Standard Device for Deep Groove Ball Bearings JJG (机械) 96-19921993-7-1
UItrasonic Souce of Ultrasonic Therapeutic Equipment for Medical UseJJG 806-19931993-7-1
Verification Regulation of Acceleration Type Vibration Measuring Instrument for Rolling Bearing JJG (机械) 97-19921993-7-1
Verification Regulation of Rotational Speed Digital Indicator JJG (机械) 98-19921993-7-1
Verification Methods for Free Field Reciprocity Method of Standard Hydrophone Spherical WaveJJG (船舶) 5-19911993-3-1
Verification Methods for Vibrating Liquid Column Method of Standard HydrophoneJJG (船舶) 7-19911993-3-1
Verification Methods for Reciprocity Method of Standard Hydrophone Coupled CavityJJG (船舶) 6-19911993-3-1
Standard Artificial MastoidsJJG 798-19921993-3-1
Acoustics-Measurement method of insertion loss and echo reduction for the underwater acoustical material sampleGB/T 14369-19931993-1-2
Acoustics-Determination of sound power levels of noise sources-Guide lines for the use of basic STANDARDs and for the preparation of noise test codesGB/T 14367-19931993-1-2
- Standard ultrasonic power sourceGB/T 14368-19931993-1-2
- Determination of occupational noise exposure and estimation of noise - Induced hearing impairmentGB/T 14366-19931993-1-2
Acoustics-Measurement of noise emitted by stationary road vehiclesGB/T 14365-19931993-1-2
Noise level Statistical AnalyzersJJG 778-19921993-1-1
standard Condenser MicrophonesJJG 790-19921992-12-1
Verification Regulation of Tonometers with Single-disc StroboflashJJG (轻工) 100-19931992-2-15
Verification Regulation of Tonometers with Twelve-disc StroboflashJJG (轻工) 101-19931992-2-15
Verification Regulation of Portable Tonometers with Digital DisplayJJG (轻工) 102-19931992-2-15
for Ultrasonic Inspection InstrumentsJJG 746-19911992-1-1
500MHz Phase Noise Measurement Set (Phase Detector Method)JJG 721-19911991-12-1
Measuring Instruments for Ultrasonic PowerJJG 2050-19901991-1-1
IEC provisional reference coupler for the calibration of earphones used in audiometryGB 7342-19871987-11-1
Standard tuning frequencyGB 3451-19821983-10-1
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