您的位置: 标准下载 » 国内标准 » 行业标准 »

QB 684-1978 一般白炽灯泡总技术条件

时间:2024-05-24 03:29:22 来源: 标准资料网 作者:标准资料网 阅读:9673
下载地址: 点击此处下载
基本信息
标准名称:一般白炽灯泡总技术条件
替代情况:被QB/T 2048-94代替
发布日期:
实施日期:1995-01-01
首发日期:
作废日期:
出版日期:
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 化工 合成材料 胶粘剂
下载地址: 点击此处下载
【英文标准名称】:Acoustics-Testcodeforthemeasurementofairbornenoiseemittedbyrotatingelectricalmachines
【原文标准名称】:声学测定旋转式电机发射的空气声的试验规程
【标准号】:ISO1680-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:空气噪声;试验;定义;声强;测定;噪声测量;声学试验;声学;旋转电机
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoise;Airbornenoiseemitted;Calibration;Checkpoint;Definitions;Determination;Earprotectors;Electricmachines;Electricmotors;Electrical;Emission;Emissionmeasurement;Envelopingsurfacemethods;Environment;Externalnoise;Filters;Fixings;Frequencies;Generators;Information;Installationinstructions;Installations;Interpretations;Layout;Logsheets;Machinenoise;Machines;Measurement;Measurementconditions;Measurementofairbornenoise;Measuringdistances;Measuringenvironment;Measuringinstruments;Measuringobjects;Measuringrooms;Measuringsites;Measuringsurfaces;Measuringsystems;Measuringtechniques;Mechanicalengineering;Methods;Microphones;Motors;Noise;Noiseemissions;Noise(environmental);Noisemeasurements;Operatingconditions;Operation;Position;Precision;Ratings;Reflection;Reverberationtime;Rooms;Rotating;Rotatingelectricmachines;Rotatingelectricalmachinery;Sound;Soundintensity;Soundlevel;Soundpower;Soundpressure;Soundpressurelevel;Soundpressurespectrum;Specification(approval);Testcertificates;Testreport;Testing;Testingconditions;Winds
【摘要】:ThisInternationalStandardspecifiesalltheinformationnecessarytocarryoutefficientlyandunderstandardizedconditionsthedetermination,declarationandverificationofthenoiseemissioncharacteristicsofrotatingelectricalmachines.Itspecifiesnoisemeasurementmethodsthatcanbeused,andspecifiestheoperatingandmountingconditionsthatshallbeusedforthetest.Noiseemissioncharacteristicsincludethesoundpowerlevelandemissionsoundpressurelevel.Thedeterminationofthesequantitiesisnecessary—forcomparingthenoiseemittedbymachines,—toenablemanufacturerstodeclarethenoiseemitted,and—forthepurposesofnoisecontrol.TheuseofthisInternationalStandardasanoisetestcodeensuresthereproducibilityofthedeterminationofthenoiseemissioncharacteristicswithinspecifiedlimitsdeterminedbythegradeofaccuracyofthebasicnoisemeasurementmethodused.NoisemeasurementmethodsallowedbythisInternationalStandardarelaboratorymethods(grade1),engineeringmethods(grade2)andsurveymethods(grade3).Methodsofengineeringgrade(grade2)aretobepreferred.ThisInternationalStandardisapplicabletorotatingelectricalmachinesofanylength,widthorheight.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20;29_160_01
【页数】:15P.;A4
【正文语种】:英语