发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Noise level measurement in sound systemsDiese Norm stimmt sachlich überein mit der CCIR-Recommendation
Noise level measurement in sound systems
This document specifies requirements for the electroacoustical performance of systems of instruments used to measure sound for the purposes
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft
本标准规定了噪声作业分级的原则和方法。 本标准适用于工业企业噪声作业分级;不适用于脉冲噪声作业
Classification of work exposed to noise
Modifications apportées au domaine d'applicationRemplacer le 13èmeparagraphe
Acoustics - Outdoor noise - Calculation of sound levels
本标准规定了飞机噪声评定用声测量系统的电声性能要求,并给出了用以验证其性能是否满足规定允差要求的定期检测方法。一般来说,此类声测量系统是指从传声器经由数据记录和处理设备连接到合适输出的仪器的组合。组成结构不同的特殊测量系统,采用不同的方法完成必要功能,以模拟或数字的方式运行。本标准的目的是保证在规定
Electroacoustics.Instruments for measurement of aircraft noise.Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes
Acoustics.Noise emitted by stationary road vehicles.Maximum permitted noise levels
Acoustics - Outdoor noise - Calculation of sound levels.
本标准规定在实验室条件下供水系统中用水器具的噪声测试的术语和定义、符号、实验室测试系统要求、测试设备要求、器具声压级测量方法、测试结果和分级、实验、报告内容、本标准适用于建筑物内,工作压力不大于1.0MPa,介质温度不大于90℃的用水器具(本标准中的主要用水器具包括水嘴、花洒、流量调节器、进水阀共
Test method and acoustic group on noise emission from appliances and equipment used in water supply installations
本标准规定了环境噪声自动监测系统(以下简称监测系统)的术语和定义、基本要求、技术要求、试验方法、检验规则、标志、包装、运输、贮存和质量承诺。 本标准适用于准确度等级为1级的环境噪声自动监测系统(内含声级计、统计分析仪、倍频程滤波器和1/3倍频程滤波器等功能),测量范围为10 Hz
Automatic monitoring system of environmental noise
General specification for noise-generator diodes and gas discharge noise tubes
Schválení ST SEV 4292-83 doporu?ilo federální ministerstvo elektrotechnického pr?myslu. Zpracovatel a oborové normaliza?ní st?edisko: ZAVT, koncern V
Computers and data processing systems.Specifications and testing methods for the sound power level of noise.
Helicopters of civil aviation. Acceptable noise levels and methods of noise level determination on the ground
Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure one-thirs-octave band sound pressure levels in noise certification of transport-category aeroplanes.
이 규격은 터보 펌프(수중 모터 펌프를 제외한다.), 로터리형 펌프, 왕복 펌프(유압 펌프
Methods of A-weighted sound pressure level measurement for pumps
Noise level measurement in sound systemsDiese Norm stimmt sachlich überein mit der CCIR-Recommendation
Noise level measurement in sound systems
This document specifies requirements for the electroacoustical performance of systems of instruments used to measure sound for the purposes
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft
本标准规定了噪声作业分级的原则和方法。 本标准适用于工业企业噪声作业分级;不适用于脉冲噪声作业
Classification of work exposed to noise
Modifications apportées au domaine d'applicationRemplacer le 13èmeparagraphe
Acoustics - Outdoor noise - Calculation of sound levels
本标准规定了飞机噪声评定用声测量系统的电声性能要求,并给出了用以验证其性能是否满足规定允差要求的定期检测方法。一般来说,此类声测量系统是指从传声器经由数据记录和处理设备连接到合适输出的仪器的组合。组成结构不同的特殊测量系统,采用不同的方法完成必要功能,以模拟或数字的方式运行。本标准的目的是保证在规定
Electroacoustics.Instruments for measurement of aircraft noise.Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes
Acoustics.Noise emitted by stationary road vehicles.Maximum permitted noise levels
Acoustics - Outdoor noise - Calculation of sound levels.
本标准规定在实验室条件下供水系统中用水器具的噪声测试的术语和定义、符号、实验室测试系统要求、测试设备要求、器具声压级测量方法、测试结果和分级、实验、报告内容、本标准适用于建筑物内,工作压力不大于1.0MPa,介质温度不大于90℃的用水器具(本标准中的主要用水器具包括水嘴、花洒、流量调节器、进水阀共
Test method and acoustic group on noise emission from appliances and equipment used in water supply installations
本标准规定了环境噪声自动监测系统(以下简称监测系统)的术语和定义、基本要求、技术要求、试验方法、检验规则、标志、包装、运输、贮存和质量承诺。 本标准适用于准确度等级为1级的环境噪声自动监测系统(内含声级计、统计分析仪、倍频程滤波器和1/3倍频程滤波器等功能),测量范围为10 Hz
Automatic monitoring system of environmental noise
General specification for noise-generator diodes and gas discharge noise tubes
Schválení ST SEV 4292-83 doporu?ilo federální ministerstvo elektrotechnického pr?myslu. Zpracovatel a oborové normaliza?ní st?edisko: ZAVT, koncern V
Computers and data processing systems.Specifications and testing methods for the sound power level of noise.
Helicopters of civil aviation. Acceptable noise levels and methods of noise level determination on the ground
Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure one-thirs-octave band sound pressure levels in noise certification of transport-category aeroplanes.
이 규격은 터보 펌프(수중 모터 펌프를 제외한다.), 로터리형 펌프, 왕복 펌프(유압 펌프
Methods of A-weighted sound pressure level measurement for pumps