【英文标准名称】:Determinationofparticlesizedistribution-Singleparticlelightinteractionmethods-Part4:Lightscatteringairborneparticlecounterforcleanspaces
【原文标准名称】:粒径分布测定.单粒子光干扰法.第4部分:无菌空间光散射尘埃粒子计数器
【标准号】:ISO21501-4-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-05
【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/TC24
【标准类型】:()
【标准水平】:()
【中文主题词】:无菌室;颗粒浓度;定义;粒度;光发散性;测量;粒径;粒径分析;粒度测量;颗粒;颗粒物质的测定;散射光;测试
【英文主题词】:Cleanrooms;Concentrationofparticles;Definitions;Grainsize;Lightdivergence;Measurement;Particlesize;Particlesizeanalysis;Particlesizemeasurement;Particles;Particulatemattermeasurement;Scatteredlight;Testing
【摘要】:ThispartofISO21501describesacalibrationandverificationmethodforalightscatteringairborneparticlecounter(LSAPC),whichisusedtomeasurethesizeandparticlenumberconcentrationofparticlessuspendedinair.ThelightscatteringmethoddescribedinthispartofISO21501isbasedonsingleparticlemeasurements.Thetypicalsizerangeofparticlesmeasuredbythismethodisbetween0,1μmand10μminparticlesize.InstrumentsthatconformtothispartofISO21501areusedfortheclassificationofaircleanlinessincleanroomsandassociatedcontrolledenvironmentsinaccordancewithISO14644-1,aswellasthemeasurementofnumberandsizedistributionofparticlesinvariousenvironments.ThefollowingarewithinthescopeofthispartofISO21501:-sizecalibration;-verificationofsizesetting;-countingefficiency;-sizeresolution;-falsecountrate;-maximumparticlenumberconcentration;-samplingflowrate;-samplingtime;-samplingvolume;-calibrationinterval;-testreport.
【中国标准分类号】:A42
【国际标准分类号】:19_120
【页数】:16P.;A4
【正文语种】:英语