【英文标准名称】:Highefficiencyparticulateairfilters(HEPAandULPA)-Part4:Determiningleakageoffilterelements(Scanmethod);GermanversionEN1822-4:2000
【原文标准名称】:高效空气颗粒物过滤器(HEPA和ULPA).第4部分:过滤器元件泄漏的测定(扫描法)
【标准号】:DINEN1822-4-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-02
【实施或试行日期】:2001-02-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:颗粒;颗粒物质的测定;测量;试验;方法;材料试验;定义;定义;过滤器;空调系统;高效超微颗粒;流程通风;机械工程;无菌室技术;粒子浓度;扫描法;传输率;分离效率;气溶胶;泄漏试验;分离器;过滤材料;颗粒滤器;试验用气雾剂;排水层;滤波器元件;大容量;泄漏;空气过滤器;无菌室;计数;统计学
【英文主题词】:Aerosols;Airfilters;Air-conditioningsystems;Cleanrooms;Clean-roomtechnology;Concentrationofparticles;Counting;Definition;Definitions;Drainagelayers;Filterelements;Filteringmaterials;Filters;Highcapacity;High-efficiencysubmicronparticulateairfilters;Leaktesting;Leaks;Materialstesting;Measurement;Mechanicalengineering;Methods;Particlefilters;Particles;Particulatemattermeasurement;Processventilation;Scanningmethods;Separationefficiency;Separators;Statistics;Testaerosols;Testing;Transmissionratios
【摘要】:Thedocumentdescribesaprocedurefortestingfilterelementsforlocalpenetrationvalueswhichexeedpermissiblelevels(leak)usingtheparticlecountingtechnique.Forthispurposeaprobeismovedintouchingoroverlappingtrackswithoutgapsclosetothedownstreamsideofthefilterelementwhichisloadedwithatestaerosol.Asamplevolumeflowrateisledfromtheprobetoaparticlecounter.Thelocalpenetration(leak)isresultingfromtheratioofthedownstreamtotheupstreamparticlecounting.
【中国标准分类号】:J88
【国际标准分类号】:13_040_40
【页数】:29P.;A4
【正文语种】:德语