GB/T 3785.3-2018
电声学 声级计 第3部分:周期试验
Electroacoustics—Sound level meters—Part 3: Periodic tests
- 实施日期
- 2019-01-01
- ICS 分类
- 17.140.50
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 3785.3-2018
Electroacoustics—Sound level meters—Part 3: Periodic tests
GB/T 25102.12-2018
Electroacoustics—Hearing aids—Part 12: Dimensions of electrical connector systems
GB/T 20441.2-2018
Electroacoustics—Measurement microphones—Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
GB/T 21231.2-2018
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurements
GB/T 16296.1-2018
Acoustics—Audiometric test methods—Part 1: Pure-tone air and bone conduction audiometry
GB/T 21231.1-2018
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 1: Airborne noise measurement
GB/T 22157-2018
Acoustics—Specification of test tracks for measuring noise emitted by road vehicles and their tyres
GB/T 4214.1-2017
Test method for noise of household and similar electrical appliances—General requirements
GB/T 3768-2017
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane
GB/T 17213.15-2017
Industrial-process control valves—Part 8-3: Noise considerations—Control valve aerodynamic noise prediction method
GB/T 16296.3-2017
Acoustics—Audiometric test methods—Part 3: Speech audiometry
GB/T 14365-2017
Acoustics—Measurements of sound pressure level emitted by stationary road vehicles
GB/T 6881.2-2017
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room
GB/T 4130-2017
Acoustics—Low frequency calibration methods of hydrophones
GB/T 34834-2017
Acoustics—Framework for calculating a distribution of sound exposure levels for impulsive sound events for the purposes of environmental noise assessment
GB/T 34828-2017
Acoustics—Test methods for the qualification of free-field environments
GB/T 25102.8-2017
Electroacoustics—Hearing aids—Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
GB/T 25102.6-2017
Electroacoustic—Hearing aids—Part 6: Characteristics of electrical input circuits for hearing aids
GB/T 22159.5-2017
Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion
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