AD218-0500AlarmlineIIDigitalLHDCable218°C(424°F)-500m(1640ft.)OperationTheADrangeofdigitalLHDcablescontainsapairoftwisted,lowresistance,tri-metallicconductorssheathedwithadvancedtemperaturesensitivepolymers.Thecableoperatesbysofteningtheinsulationoftheconductors,thetensionofthetwistedconductorsthencausesthetwocorestofusetogether.Thesensorcableprovidesasiempleswitchoperationwhichwhenusedwithacombinationofend-of-line(EOL)monitoringandalarmtriggerresistorscansignalanalarmtoanyfiremonitoringequipmentthroughanymonitoredinputi.e.conventionaldetectionzoneoraddressableinterfaceunit.LocationControlUnitAdditionaltotheLHDsensorcable,anoptionaldigitallocationcontrolunitwhichmonitorsthesensorcableandcanidentifyalongthelengthofthesensorcablewhereanalarmconditionhasoccurred,isalsoavailable.CablefixingsforallapplicationsArangeof"edge","A","P",and"T"clipsallowthecabletobeproperlyinstalled.Theclipsprovideheatinsulationaswellasholdingthecableatthecorrectdistancefromcabletrays,steelworks,ceilingsandwalls.DetailscUL/UL521/FMapprovedDetectionalongtotalcablelengthSimplemaintenancefreeinstallationSuitableforuseinhazardousareasRoHSCompliantGeneralTheAD218-0500isaDigitalLinearHeatDetection(LHD)cablewitha218°C(424°F)fixedtemperatureactivationrating.TheADrangeofdigitalsensorcablesprovidesaverysiemplefixedtemperatureheatdetectionsystemwhichcanbeusedinmanyapplicationswhereotherformsof
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