BS ISO 21501-4-2007 粒度分布测定.单粒子光干扰法.无菌空间光散射尘埃粒子计数器

作者:标准资料网 时间:2024-05-30 07:38:11  浏览:9100   来源:标准资料网

【英文标准名称】:Determinationofparticlesizedistribution.Singleparticlelightinteractionmethods.Lightscatteringairborneparticlecounterforcleanspaces
【原文标准名称】:粒度分布测定.单粒子光干扰法.无菌空间光散射尘埃粒子计数器
【标准号】:BSISO21501-4-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【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;粒径测量;颗粒;颗粒物质测量;散光;测试
【英文主题词】:Cleanrooms;Concentrationofparticles;Definition;Grainsize;Lightdivergence;Measurement;Particlesize;Particlesizeanalysis;Particlesizemeasurement;Particles;Particulatemattermeasurement;Scatteredlight;Testing
【摘要】:ISO21501-4:2007describesacalibrationandverificationmethodforalightscatteringairborneparticlecounter(LSAPC),whichisusedtomeasurethesizeandparticlenumberconcentrationofparticlessuspendedinair.ThelightscatteringmethoddescribedinISO21501-4:2007isbasedonsingleparticlemeasurements.Thetypicalsizerangeofparticlesmeasuredbythismethodisbetween0,1μmand10μminparticlesize.InstrumentsthatconformtoISO21501-4:2007areusedfortheclassificationofaircleanlinessincleanroomsandassociatedcontrolledenvironmentsinaccordancewithISO14644-1,aswellasthemeasurementofnumberandsizedistributionofparticlesinvariousenvironments.ThefollowingarewithinthescopeofISO21501-4:2007:sizecalibration;verificationofsizesetting;countingefficiency;sizeresolution;falsecountrate;maximumparticlenumberconcentration;samplingflowrate;samplingtime;samplingvolume;calibrationinterval;testreport.
【中国标准分类号】:N33
【国际标准分类号】:19_120
【页数】:26P.;A4
【正文语种】:英语