Product Code:SAE AMS2259
Title:Chemical Check Analysis Limits, Wrought Low-Alloy and Carbon Steels
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope: This specification covers standard chemical check analysis limits as established by AMS or AISI usage. The chemical check analysis limits shown herein shall apply when this specification is referenced in the material specification. Check analysis limits for elements or for ranges of elements not listed herein shall be as agreed upon by purchaser and vendor.
【英文标准名称】:StandardPracticeforPerformanceEvaluationofIn-PlantWalk-ThroughMetalDetectors
【原文标准名称】:内置穿过式金属检测器的性能评定的标准规程
【标准号】:ASTMC1309-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C26.12
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:探测敏感性验证;安全材料;金属探测器;探测器;实施规程;设备性能;通过金属探测器;性能评定;使用;性能
【英文主题词】:metaldetectors;detectionsensitivitytest(DST);detectionsensitivityverificationtest(DSVT);clean-tester;criticalorientation
【摘要】:Walk-throughmetaldetectorsareaneffectiveandunobtrusivemeansforsearchingforconcealedmetallicweaponsandSNM(specialnuclearmaterial)shieldingmaterial.Thedetectorsaregenerallyappliedtopreventtheunauthorizedentryofweaponsintofacilities,andtheftorunauthorizedremovalofSNM.Dailyfunctionaltestingofmetaldetectorsshowsthattheyareoperatingandwillproducethecorrectalarmsignal;thesignificantuseoflessfrequentin-plantevaluationsprovidesdatafromwhichtodetermineifdetectorsareoperatingatexpectedperformancelevels.Thispracticeprovidesasystemofproceduresforevaluatingthedetectionperformanceofwalk-throughmetaldetectors.Theproceduresspecifydatatoberecordedandusedforestablishing,tracking,andauditingmetaldetectorperformanceandoperation.Thispracticesuggestsdocumentationformaintainingperformancerecords.AppendixX4providesexamplesofformsforrecordingandtrackingdetectoroperationandperformancetesting.1.1Thispracticeisoneofseveral(seeAppendixX1)developedtoassistoperatorsofnuclearfacilitieswithmeetingthemetaldetectionperformancerequirementssetbyregulatoryauthorities.1.2Thispracticeconsistsoffourproceduresusefulforevaluatingthein-plantperformanceofwalk-throughmetaldetectors(seeFig.1).1.2.1Twooftheproceduresprovidedataforevaluatingprobabilityofdetection.Theseproceduresusebinomialdata(alarm/notalarm).1.2.1.1Thedetectionsensitivitytest(DST)178;istheinitialprocedureinthedetectionprobabilityevaluationseries.Itisusedtoestablishtheprobabilityofdetectionimmediatelyafterthedetectorhasbeenadjustedtoitsoperationalsensitivitysetting.1.2.1.2Thedetectionsensitivityverificationtest(DSVT)178;procedureperiodicallyprovidesdataforevaluationofcontinuingdetectionperformance.1.2.2Thethirdprocedureisa"functionaltest."Itisusedroutinelytoverifythatametaldetectorisoperatingandrespondswiththecorrectaudioandvisualsignalswhensubjectedtoaconditionthatshouldcauseanalarm.1.2.3Thefourthprocedureisusedtoverifythatalarmsgeneratedduringdetectionsensitivitytestingwerelikelytheresultofthedetectionofmetalandnotcausedbyoutsideinterferencesortheperturbationofthedetectionfieldbythetester''sbodymass.1.2.3.1Thisprocedurealsocanbeusedtoestablishaprobabilityofoccurrenceforfalsealarms,forexample,20testpassesbyaclean-testerresultinginnoalarmsindicatesafalsealarmprobabilityoflessthan0.15at95%confidence.Thisprocedureisoptionalunlessrequiredbytheregulatoryauthority.1.3Thispracticedoesnotsettestobjectspecifications.Thespecificationsshouldbeissuedbytheregulatoryauthority.1.4Thispracticeisintendedneithertosetperformancelevelsnortolimitorconstraintechnologies.1.5Thispracticedoesnotaddresssafetyoroperationalissuesassociatedwiththeuseofwalk-throughmetaldetectors.
【中国标准分类号】:N13
【国际标准分类号】:13_320;27_120_20
【页数】:15P.;A4
【正文语种】:
基本信息
| 标准名称： | 2号航空润滑脂 |
| 中标分类： |
石油 >>
石油产品 >>
润滑脂 |
| 替代情况： | ZB E36008-88 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1900-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
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前言
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引用标准
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所属分类： 石油 石油产品 润滑脂