H8040LINEARHEATDETECTION(LHD)GeneralThesiempleandproventechnologyofdigitalLinearHeatDetection(LHD)cable,makesitaproductofchoicefordifficultandchallengingapplicationswhereothertechnologiesstruggletowork.Withit’seaseofinstallationandlowmaintenanceitalsoprovidesacosteffectivesolutionwhereprojectexpenditurerequirestobekeptataminimum.ThesensingcableisformedfromapairoftwistedsteelconductorseachwithtemperaturesensitiveinsulationandthenanoverallNylonoutersleeve.Whenthetemperaturesensitiveinsulationreachesit’spredeterminedalarmtemperaturethetwoconductorsshorttogetherprovidingthedigitalorswitchedsignal.Thecablecanbeconnectedtoanyunitcapableofmonitoringaswitchedsignal,i.e.Conventionalfirepanel,addressableswitchmonitorunitorPLC.ThenylonoutersleeveoftheH8040Noffersgoodchemicalandwaterresistance,allowingittobedeployedinharshanddirtyenvironments.