美利体育登录入口官网

F1334-确定吸尘器 A 计权声功率级的测试方法

F1334-Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners

F2544-确定中央真空动力装置 A 计权声功率级的测试方法

F2544-Test Method for Determining A-Weighted Sound Power Level of Central Vacuum Power Units

旋转电机 第9部分：噪声限值

Rotating electrical machines — Part 9 : Noise limits

声学 通过在混响测试室中测量来确定风机末端装置、风机末端单元、阻尼器和阀门的噪声声功率级

Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room

纺织机械 噪声测试规范-非织造机械

Textile machinery. Noise test code - Nonwoven machinery

工业风扇 - 标准化实验室条件下风扇声功率级的测定 - 第1部分：概述

Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 1 : General overview

声学 用声压测定噪声源的声功率级 混响场中小型可移动源的工程方法 第2部分：专用混响测试室方法（ISO 3743-2:2018）

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms (ISO 3743-2:2018)

声学.用声压测定噪声源的声功率级.混响场中小型可移动声源的工程方法.第2部分：特殊混响测试室的方法

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms (ISO 3743-2:2018); German version EN ISO...

声学

Acoustics

声学.用声压测定噪声源的声功率级和声能级.消声室和半消声室的精确方法.修改件1

Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms — Amendment 1

声学. 机械和美利体育官网首页网址发出高频声功率级的测定

Acoustics - Determination of high-frequency sound power levels emitted by machinery and equipment

纺织机械. 噪声美利体育登录入口官网规则. 第6部分: 织物制造机械

Textile machinery - Noise test code - Part 6: Fabric manufacturing machinery