Firesense Linear Heat Detection (LHD)
Economical cable-based heat detection over long distances

Firesense LHD provides economical temperature monitoring at the precise point of risk. The system is reliable, flexible and has the ability to detect abnormal temperature variances before they develop into a fire situation. Firesense is the answer where conventional heat detection is difficult to install and maintain.

Firesense LHD cable and its associated controllers allow integration with many fire alarm and extinguishing control systems, offering a complete system solution. ATEX approved junction boxes and Intrinsically Safe barriers enable Firesense systems to be used in hazardous areas.

Analogue (Resettable) Analogue cable monitors a rise in temperature. An electronic controller measures the electrical resistance in the cable between the metallic core and the outer braiding, triggering an alarm for hot spot zones. Analogue linear heat detector cable will reset itself after an alarm once it has cooled.

Digital (Non-Resettable) Digital cable monitors when a specified temperature is reached. At this point, the construction of the cable provides an electrical closed contact. This is monitored by an electronic controller which can identify the hot spot within metres. Digital cable is non-resettable.

General information

With its early detection of fire and overheating in circumstances where other forms of detection would not be viable, either due to inability to sustain the environment requirements or through prohibitive costs, Firesense LHD is ideally suited to:

  • Conveyors
  • Escalators and travelators
  • Cable trays and racks
  • Trains, coaches and buses
  • Multi-storey car parks
  • Warehouse racking
  • Road and rail tunnels
  • Fixed and floating roof tanks
  • Petrochemical
  • Power generation
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