光纤分布式 OZ 光纤分布式应变与温度传感器

是否提供加工定制	是	品Pai	OZ
型号	光纤分布式	种类	温度
材料	金属	材料物理性质	光纤
制作工艺	集成	输出信号	数字型

特点•Realtimemeasurementmode•Useslow-costtelecomfiber•Superiorspatialresolutionandrange•Excellenttemperatureprecisionandresolution•Multiplechannelmonitoringavailable•Alarmmonitoringcapability•100kmsensingrange性能•10cmspatialresolution•±0.1ºCaccuracy(2σ)•100kmmaximumsensingrange•5kHzfrequencyuncertainty•-270ºCminimumtemperaturesensing•1secondmeasurement(catastrophicmode)•Firedetectionmode•+30dBdynamicrange应用范围1、FireDetection:Specializedsoftwareprovidestheneededspeedofmeasurementtodetectthebuild-upofheatortheoutbreakoffire.TheForesight™B-DTSoffersgreaterrangeforsensingwithoutreductioninspatialresolution1.Alengthoffibercanbelaidoutinalargegridtopinpointafirewithinacoupleofmeters.With2.5metersresolutionfor20kmsensingrange,thetemperaturecanbemeasuredwithanuncertaintyofonly±1.5°Cwithinarangeof0°Cto100°C,inlessthan24seconds.2、Oil&GasPipelineMonitoring: AssesstheintegrityofpipelineswiththeuseoftheForesight™B-DTS. Bymeasuringthelocalizedchangesintemperatureassociatedwiththeventingordecompressionfromthepipeline,theB-DTS providesalarmsandnotificationofeventsalongtheentiremonitoredareaautomaticallyviaitssoftware.Suchleaksresultincoolingorheating,dependingonthepipeline,thatisdetectableusingtheB-DTS.Itsenhancedrangeofperformanceandbetter immunitytohydrogenattenuationmakestheB-DTSalogicalchoiceinpipelinemonitoring.3、OilandGasReservoirMonitoring: DTSprovidesforrealtimeandcontinuousmonitoringasrequiredforOil&Gasreservoirmanagement.Additionally,theBrillouinDTSofferskeybenefitsoverthewidelydeployedRamanDTSmethod.TheB-DTS is a frequency based measurement; notintensity like Raman.Thisprovidesforgreaterdynamicrangetoovercomeattenuationinthefiber.Byusingpurecoresinglemodefibers,thelifespanisgreatlyenhancedagainsthydrogendarkening:thisisinadditiontothegreaterdynamicrangeoftheForesight™.Sincesinglemodefibersareutilized,5cmsamplingand10cmspatialresolutionoftemperatureeventsiseasilyobtained.Stablefrequencymeasurements,greaterdynamicrange,longerfiberlife,andbetterspatialresolutionarekeybenefitsthatsettheForesight™B-DTS.4、PowerCableMonitoring:Opticalsensingprovidesforthedirectmeasurementofheatassociatedwithcorrosioninpowercables.Additionally,existinginfrastructurecanbeoperatedmoreefficientlyandcarrymoreloadsafelybythedirectmeasurementoftemperature.TheForesight™B-DTS provides excellent rangefortemperaturemeasurement:upto100kmsensingrange.Byusingabuilt-in optical switch, 200km can easily be monitoredviabythesameB-DTS.Furthermore,built-insoftwarecontrolsallowtheeasyuseofexternalopticalswitchesfromtheB-DTS aswell,greatlyenhancingandexpandingthenumberofcablesbeingmonitoredbyasingleB-DTS.5、MacroTemperatureMonitoring:DTSisanexcellentchoiceforresearchersandclimatologistswhoneedtomeasurelargeareasandlonglengthsforsubtletemperaturevariances.ThesuperiorrangeofspatialresolutionandlowcostofsinglemodefiberforsensingmakestheB-DTS an ideal choice for macro measurements.6、CryostatTemperatureMeasurement:TheB-DTShassuccessfullymeasuredtemperaturesbelow25°Kelvin.Onesuchapplicationwasthemonitoringofheatbuild-upinasuperconductor.Withrapid,continuousmeasurements,theB-DTSismorethanjustatemperatureprobe.Itcanactasanearlywarningandalarmsystemtopreventthermalrunawayofthesuperconductor.Withitsexcellent10cmspatialresolutionand2kmsensingrange,userscanmanagethefiberdeploymenttoeasilyobtainaveryshortsimulatedspatialresolution2of1cmorless.