GB/T 20441.1-2010
电声学 测量传声器 第1部分:实验室标准传声器规范
Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones
- 实施日期
- 2011-05-01
- 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 20441.1-2010
Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones
GB/T 25615-2010
Earth-moving machinery - Determination of emission sound pressure level at operator's position - Dynamic test conditions
GB/T 25614-2010
Earth-moving machinery - Determination of sound power level - Dynamic test conditions
GB/T 25613-2010
Earth-moving machinery - Determination of emission sound pressure level at operator's position - Stationary test conditions
GB/T 25612-2010
Earth-moving machinery - Determination of sound power level - Stationary test conditions
GB/T 20441.3-2010
Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
GB/T 15952-2010
Electroacoustics - Specifications for personal sound exposure meters
GB/T 3769-2010
Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagrams
GB/T 14199-2010
Electroacoustics - General specification for hearing aid
GB/T 3785.1-2010
Electroacoustics - Sound level meters - Part 1: Specifications
GB/T 25102.4-2010
Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strength
GB/T 25102.2-2010
Electroacoustics - Hearing aids - Part 2: Hearing aids with automatic gain control circuits
GB/T 25102.13-2010
Electroacoustics - Hearing aids - Part13: Electromagnetic compatibility (EMC)
GB/T 25102.1-2010
Electroacoustics - Hearing aids - Part 1:Hearing aids with induction pick-up coil input
GB/T 15173-2010
Electroacoustics - Sound calibrators
GB/T 3785.2-2010
Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests
GB/T 25102.100-2010
Electroacoustics - Hearing aids - Part 0:Measurement of electroacoustical characteristics
GB/T 25077-2010
Acoustics - Materials for acoustical applications - Determination of airflow resistance
GB/T 25079-2010
Acoustics - Application of new measurement methods in building and room acoustics - MLS and SS methods
GB/T 25078.2-2010
Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 2: Introduction to the physics of low noise design