UL 2075 BULLETIN-2007 气体和蒸气探测器和传感器UL安全性标准.评议提交截止日期:2006年2月19日

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【英文标准名称】:ULStandardforSafetyGasandVaporDetectorsandSensorsCOMMENTSDUE:FEBRUARY19,2006
【原文标准名称】:气体和蒸气探测器和传感器UL安全性标准.评议提交截止日期:2006年2月19日
【标准号】:UL2075BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-01-19
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:TheserequirementscovertoxicandcombustiblegasandvapordetectorsandsensorsintendedtobeportableoremployedinindoororoutdoorlocationsinaccordancewiththeNationalElectricalCode,NFPA70.Agasdetectorand/orsensorand/orvapordetector,ascoveredbytheserequirements,consistsofanassemblyofelectricalcomponentscoupledwithasensingmeansinsideachamber,orbyseparatecomponentstodetecttoxicand/orcombustiblegasesorvapors.Thedetectorincludesprovisionfortheconnectiontoasourceofpowerandsignalingcircuits.Theserequirementscoverthefollowingtypesofdetectors:a)Detectorsintendedformonitoringtheenvironmentanddetectorsintendedforopenareaprotectionandforconnectiontoacompatiblepowersupplyorcontrolunitforoperationaspartofgasdetectionoremergencysignalingsystems;b)Detectorsintendedsolelyforcontrolofventilationorshutoffdevicessuchasfansorcontrolvalves;c)Detectorsintendedforboththeaboveapplications;d)Sensorsandsensingcircuitsintendedforusewithoringasdetectors,alarmsorgasdetectioncircuitswithinfuelcellsystems;e)Portablegasdetectors;f)Multi-gasgasdetectors;g)Multi-gassensorsandh)Equipmentintendedforuseinhazardouslocations.Note,theequipmentmustcomplywiththeapplicablehazardouslocationrequirementspriortoevaluationtoUL2075.1.3Theserequirementsalsocoverallremoteaccessoriesthatareintendedtobeconnectedtoagasorvapordetectorand/orsensor.1.4Thisstandarddoesnotcoverthefollowing:a)ControlunitstowhichthedetectorsareintendedtobeconnectedthatarecoveredbytheStandardforControlUnitsforFire-ProtectiveSignalingSystems,UL864;b)ControlunitstowhichthedetectorsareintendedtobeconnectedthatarecoveredbytheStandardforGeneralPurposeSignalingDevicesandSystems,UL2017;c)Self-containedsingleandmultiplestationcarbonmonoxidealarmsorresidentialcombustiblegasdetectors,notintendedforconnectiontoasystemcontrolunit,thatarecoveredbytheStandardforSingleandMultipleStationCarbonMonoxideAlarms,UL2034orResidentialGasDetectors,UL1484.1.5Usersoftheserequirementswilladditionallyneedtoensurethatinfluencingfactorsnotaddressedinthisstandardfortheendproductinstallation,suchasmechanicalmovement,fieldplacementofconductivematerial,andproductdamage,willnotaffectthesystemforinsulationcoordinationorperformanceoperation.Examplesarethedeformationoftheenclosure,movementofthefittingsforconduitorarmoredcable,ortheimproperinstallationoffieldwiring.
【中国标准分类号】:N56
【国际标准分类号】:13_320
【页数】:
【正文语种】:英语


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【英文标准名称】:Milk-Determinationofalkalinephosphatase
【原文标准名称】:奶.碱性磷酸酶的测定
【标准号】:ISO3356-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-03
【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/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:酪乳;化学分析和试验;奶制品;定义;奶粉;含量测定;干制食品;酶的活性;食品检验;食品;牛奶;磷酸酶;磷酸酶活性;参考方法;残留物;抽样方法;试样制备;乳清
【英文主题词】:Buttermilk;Chemicalanalysisandtesting;Dairyproducts;Definitions;Desiccatedmilk;Determinationofcontent;Driedfoods;Driedmilk;Enzymaticactivity;Foodinspection;Foodproducts;Milk;Phosphatase;Phosphataseactivities;Referencemethods;Residue;Samplingmethods;Specimenpreparation;Whey
【摘要】:
【中国标准分类号】:X16
【国际标准分类号】:67_100_10
【页数】:8P;A4
【正文语种】:英语


【英文标准名称】:Electricalrelays.Terminalmarking.
【原文标准名称】:继电器.接线端标记
【标准号】:NFC45-252-1983
【标准状态】:现行
【国别】:法国
【发布日期】:1983-08-01
【实施或试行日期】:1983-08-18
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电驱动装置;字母数字字符集;线路图;连接;电气工程;电触点;电器接线端;作标记;终端标志
【英文主题词】:Alphanumericcharactersets;Applianceterminals;Circuitdiagrams;Connections;Electriccontacts;Electricalengineering;Electrically-operateddevices;Marking;Terminalmarkings
【摘要】:
【中国标准分类号】:L25
【国际标准分类号】:01_075;29_020
【页数】:7P;A4
【正文语种】:其他