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