Linear heat detection lhd also known as linear detection wire or linear heat detection cable or linear heat is a very commonly used method of fire detection it can detect a fire anywhere along the length of the cable and can be of lengths in excess of a kilometer.
Linear heat detector cable.
With a range of up to 10 km and a sampling interval down to 25 cm the system is ideal for fire detection in tunnels and metros as well as large facilities like warehouses and industrial facilities.
The sensor cable is comprised of two steel conductors individually insulated with a heat sensitive polymer.
In temperature sensitive environments early detection of an abnormal change is crucial to protect safety of life critical processes and reduce losses.
Linear heat detection lhd cable is essentially a two core cable terminated by an end of line resistor resistance varies with application.
Linear heat cable versatile economical heat detection.
Protectowire linear heat detector is a proprietary cable that detects heat conditions anywhere along its length.
The alarmline linear heat detector provides specialty heat detection for non traditional applications such as open areas tunnels belt conveyors cable trays and floating roof oil tanks just to name a few.
Lios de tect is a robust linear heat detection system based on optical fibers.
Thermocable has developed a range of exceptionally durable linear heat detection lhd technologies which provide extensive and continuous coverage are easy to install and fully integrate with.
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Applications can range from building fire alarm systems to mobile plant machinery.
Linear heat detectors by protectowire can best be described as a continuous run of spot heat detectors within a versatile cable.
Designed for use in a wide variety of indoor and outdoor applications lhd fire alarm cables are particularly suited for areas where installation or maintenance access is in a physically demanding or hazardous.
The insulated conductors are twisted together to impose a spring pressure.
Unlike conventional detectors the protectowire linear heat detector s unique form and construction make it the detector of choice for all types of installations.