H8040NLINEARHEATDETECTION(LHD)(68°C,155°FNominal)GeneralThesiempleandproventechnologyofdigitalLinearHeatDetection(LHD)cable,makesitaproductofchoicefordifficultandchallengingapplicationswhereothertechnologiesstruggletowork.Withit’seaseofinstallationandlowmaintenanceitalsoprovidesacosteffectivesolutionwhereprojectexpenditurerequirestobekeptataminimum.ThesensingcableisformedfromapairoftwistedsteelconductorseachwithtemperaturesensitiveinsulationandthenanoverallNylonoutersleeve.Whenthetemperaturesensitiveinsulationreachesit’spredeterminedalarmtemperaturethetwoconductorsshorttogetherprovidingthedigitalorswitchedsignal.Thecablecanbeconnectedtoanyunitcapableofmonitoringaswitchedsignal,i.e.Conventionalfirepanel,addressableswitchmonitorunitorPLC.ThenylonoutersleeveoftheH8040Noffersgoodchemicalandwaterresistance,allowingittobedeployedinharshanddirtyenvironments.SimpledigitalswitchoperationContinuoussensingalongthetotallengthoftheelement.Fixedalarmtemperature.Unaffectedbychangesinambienttemperature.Compatiblewithswitchmonitoringunitsandconventionalalarmpanels.SuitableforuseinHazardousareasusingsafetybarriers.ChemicalwaterresistantRuggedanddurableconstruction.Simplemaintenancefreeinstallation.Smalldiameterandbendradius.FMApproved,FeaturesApplicationsConveyors/bearingprotectionEscalators,movingwalkways.Petro-chemicalstoragetanks,rimsealprotectionCabletunnel/trayprotectionRoadandrailtunnelsRoadandrailmotorcompartmentsElectricalswitchgeartransformersRefrigeratedroomsandcoldstores.BuildingexteriorsundereavesMotorandpumpoverheatdetection.Dirtyanddustyenvironments.
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