【英文标准名称】:Shipsandmarinetechnology-Transmittingheadingdevices(THDs)-Part2:Geomagneticprinciples
【原文标准名称】:船舶和海上技术.传递航向装置(THDs).第2部分:地磁原则
【标准号】:ISO22090-2-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-05
【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/TC8
【标准类型】:()
【标准水平】:()
【中文主题词】:地磁学;船舶导航;罗盘;导航仪器;规范(验收);船舶设备;导航;定义;近海工程;航海仪器;数据传送
【英文主题词】:Compasses;Datatransfer;Definitions;Geomagnetism;Marineinstruments;Marinenavigation;Navigation;Navigationinstruments;Offshoreengineering;Ship'sequipment;Specification(approval)
【摘要】:ThispartofISO22090specifiestheconstruction,performanceandtestingofdevicesemployingonlymagneticmeansastransmittingheadingdevicesrequiredbychapterV,SOLAS1974(asamended).ATransmittingHeadingDevice(THD)isanelectronicdevicethatprovidesinformationabouttheship’strueheading.InadditiontothegeneralrequirementscontainedinIMOResolutionA.694(17)towhichIEC60945isassociatedandtherelevantstandardforthesensingpartused,theTHDequipmentshallcomplywiththefollowingminimumrequirements.WheretheIMOperformancestandardswhichapplytothesensingpartdonotspecifyageographicaloperatingareatheTHDshalloperatea)ataminimumrateofturn20°/s,andb)from70°latitudesouthto70°latitudenorthasaminimum.TheTHDscomplyingwiththerequirementscontainedinthispartofISO22090canbeusedforheadinginformationascontainedinChapterVoftheSOLASConvention.InadditionsuchTHDsshouldmeetthedynamicrequirementscontainedintheHSCCode,chapter13forthecarriageofasuitabledeviceprovidingheadinginformation.NOTE1Severaltechnologiescanbeusedtodetectandtransmitheadinginformation.Itisillogicaltostandardizethedetectionoftheheadingseparatelyfromthetransmissionoftheheading.Therefore,separatepartsofthispartofISO22090refertodifferenttechnologies.TherequirementsofthispartofISO22090onlyapplytotheprincipleoftheGeomagneticone.OthertechnologiesarecoveredinotherpartsofISO22090.NOTE2AllrequirementsthatareextractedfromtherecommendationofIMOResolutionMSC.116(73)onperformancestandardsfortransmittingheadingdevicesareprintedinitalics.Astandardmagneticcompasswithapickupsensorcouldbeappliedasasensingpartofthisstandardofgeomagneticprinciple.HowevertheIMOperformanceresolutionMSC.116(73)requiresthattheTHDshouldbemetforthedynamicrequirementsoftheHSCcode.Nevertheless,whentheTHDwouldbeonlyusedotherthantheHSC,thelimitofrateofturnmaybe6°/sinsteadof20°/s.
【中国标准分类号】:U65
【国际标准分类号】:47_020_70
【页数】:10P;A4
【正文语种】:英语