【英文标准名称】:Hydraulicfluidpower-Fluidcontamination-Determinationofparticulatecontaminationbythecountingmethodusinganopticalmicroscope
【原文标准名称】:液压流体动力.流体污染.用光学显微镜计数法测定粒状物污染
【标准号】:BSISO4407-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-05-21
【实施或试行日期】:2002-05-21
【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】:计数;液压传动;污染;颗粒密度;液压传动系统;高压液体;液压装置;液压液;液压系统;流体技术;定义;定义;测定;试验;试验;显微术
【英文主题词】:Contamination;Counting;Definition;Definitions;Determination;Fluidtechnologies;Hydraulicfluidpower;Hydraulicfluids;Hydraulicsystems;Hydraulictransmissionsystems;Hydraulics;Microscopy;Particledensity;Pressureliquids;Testing;Tests
【摘要】:ThisInternationalStandardspecifiesmethodsfordeterminingthelevelofparticipatecontaminationinliquidsusedinhydraulicsystemsbycountingthenumberofparticlesdepositedonthesurfaceofamembranefilterusinganopticalmicroscope.Itincludesparticlecountingbytwomanualmethodsandimageanalysis,usingeithertransmittedorincidentlightingsystems.Particlesizes≥2μncanbesizedandcountedbythismethod,buttheresolutionandaccuracyoftheresultswiBdependupontheopticalsystemusedandthecapabilitiesoftheoperator.AllhydraulicfluidswithawiderangeofcontaminationlevelscanbeanalysedaccordingtothisInternationalStandard.However,thecountinguncertaintyatthelargerparticlesizesincreasesifthevolumefilteredisreducedtoallowsmallersizedparticlestobecounted,whereafineprecipitateorahighparticleconcentrationispresent.
【中国标准分类号】:J20
【国际标准分类号】:23_100_60
【页数】:24P.;A4
【正文语种】:英语