The linear heat detection lhd cable is a combination of advanced polymer and digital technologies which can be used on any panel, and can detect heat anywhere along its entire length. Linear heat detection cable lower voltage zener barriers lower voltage barriers may be employed for digital lhdc, however in many cases it will be found that leakage currents through the barrier zener will cause maloperation of circuit monitoring with 24v fire system equipment. Tect system offers a range of advantages compared to traditional methods such as thermo couplers or protectowire read more about the different applications of our optical linear heat detection below. System sensor 800 series digital linear heat detector and 900 series analogue linear heat detector offer early detection of fire and overheating conditions in industrial high risk hazards as well as many types of commercial applications. Bandweaver integrated distributed fiber optic sensing. With one million customers, local offices, and over 200 years of history in the fire business, tyco simplexgrinnell is advancing safety and security for organizations of all sizes in a wide range of.
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. Floating roof storage tanks patol linear heat and infrared. The following prealarm and alarm temperature threshold configurations are available on the fyreline analogue linear heat detection system range. The pts series controllers can be configured for various alarm criteria and can be connected to an approved fire alarm control. Safecable system allows for identifying where the overheating condition occurred. Shall consist of an approved linear heat detector and controlreleasing panel. The cable route crossed the length of the canteen eight. The fyreline analogue heat detector is a rugged, easy toinstall detection system, consisting of a control module and detection cable, that is designed to. Fyreline linear fixed heat sensing cable is constructed using two twisted and tensioned, trimetallic conductors. Installing protectowire linear heat detector cc2n clamps. The linear heat detection system provides detection using a heat sensing cable that is typically provided for cable trays, conveyors, freezers and rack storage. These polymers are chemically engineered to breakdown at specific fixed temperatures allowing the.
Firesense2000 linear heat detection cable should be routed level with the top edge of the support system on the cable side. Linesense supply h8040n, h8045n, h8028, h8069 and h9650 linear heat detection cables. This makes lhd linear heat sensor cable to be the most adequate fire detection system for extreme environmental conditions. Thermocable linear heat detection system estimating guide. Linear heat detection has been around for almost 80 years but is still relatively unknown to many in the fire protection industry. System sensor fixed temperature linear heat detection cable range consists of a twisted pair of extremely low resistance. The sensor cable is comprised of two steel conductors individually insulated with.
A continuous heat detector capable of detecting heat. Introduction this paper describes fiber optic linear heat detection technology and its advantages as an intelligent temperature profiling system for tunnels. Protectowire linear heat detector conductor, preserving 38. Has been designed for use as a linear heat detection system using stateoftheart fiber optic sensing technology. This manual will provide a basic guide on best practices when installing protectowire linear heat detectors. Protectowire the global leader in linear heat detection. The linear heat detection cable lhdc system from hochiki is designed to provide early detection of fire and overheating in circumstances where other forms of detection would not be viable, either due to inability to sustain the environmental requirements or. Your benefits with fibrolaser protection for long or widespread systems through linear heat detection entire process from fire detection. In addition, the distance locating option allows the control panel to identify and display the exact. Protectowire the global leader in linear heat detection systems. Cable tunnels and cable trays linear heat detection using dts technology firelaser distributed temperature sensing dts technology has been extensively used as an effective linear heat detection system to protect cable trays and cable tunnels.
Linear heat cable versatile, economical heat detection. Each of the conductive cables are coated in a heat sensitive polymer which, when heated to its rated temperature, melts, causing the two cables to touch. On lengths of vertical racking less than 1m, used for carrying cables between horizontals, firesense2000 linear heat detection cable should be located across the top of the rising group of cables. Rilsan covered for protection from chemicals, stainless steel covered for mechanical strength, and stainless steel plus rilsan covered for. The sensor cable is comprised of two steel conductors individually insulated with a heat sensitive polymer. Throughout this time i have always found protectowire products to be best in class. Linesense provide a selection of fixings and clips to retain the linear heat detection lhd cable in place. Linear heat detection engineering specifications safe fire detection. The lhs linear heat sensor is designed for open area, as well as proximity detection. Protectowire linear heat detector is a proprietary cable that detects heat conditions anywhere along its length. The system consists of type pfs fiber optic sensor cable and the pts controllers with related software. The cable has 4 cores, 2 are covered with negative temperature coefficient ntc material, the other 2 have normal pvc insulation. Alarmline lwm1 linear heat detection system sensor length up to 300 m resistant to mechanical and chemical influences, corrosion, humidity and dust easy to install, economic, lowmaintenance, simple commissioning suitable for use in ex classified areas vds approved, no g 20 50 66 the alarmline lwm1 linear heat detec.
H8028 heat detection cable, lhd cable, h8028 cable, line type heat detection, heat detector cable, heat sensing cable created date. System capabilities protectowire linear heat detector is a component of a complete family of systems manufactured by the protectowire company a leader in fire detection for over sixty years. Safe fire detections new linear heat detection lhd wire, thermocable is a heat detector, not a system, and must interface with an approved fire alarm panel. Thermocable digital linear heat detection wire is a combination of advanced polymer and digital technologies that can detect heat anywhere along its entire length. Although linear heat systems cannot detect small, smoldering fires, it can be very beneficial for certain applications, such as refrigerated storage. Linear heat detection system heat detection products. The linear detector, as illustrated, contains a twisted pair of spring steel conductors separated by heatsensitive insulator. Consult fikes entire linear heat detection catalogue on directindustry. 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. For further flexibility, fikes linear heat detection cable can be utilized with fire alarm control panels by utilizing either addressable monitor modules on an intelligent system, or by connecting the cable directly to the detection circuit of a conventional fire detec tion and control panel.
Protectowire linear heat detector is a proprietary cable that detects heat anywhere along its length. Fixings should be placed at intervals of no more than 1. Fyreline analogue linear heat detection cable is selfrestorable so does not need to be replaced unless it has become severely damaged. Attach these to the detector ends, insulate and tape like a splice. Tect is a robust linear heat detection system based on optical fibers. Description proline th digital linear heat sensor cable range employs a 3. Bandweaver and innovative energy supplied and commissioned a firelaser dts linear heat detection system. Linear heat detection lhd is a very commonly used method of fire detection. During a fire the insulator melts at 356 f 180 c allowing the two spring steel conductors to make contact activating the checkfire electric detection and control system. Safecable digital linear heat detection lhd cable is a combination of. Description the linear heat detection cable is a continuous heat detector in the form of a cable. Installing lhd cable along the sprinkler pipe branchline allows a preaction sprinkler system to be more efficient by quickly recognizing the fire and conveying the. Infra red array flame detection heat detectors linear heat detectors beam smoke detectors aspirating smoke detectors carbon monoxide ch fire detector.
System sensor 800 series digital linear heat detector and 900 series analogue linear heat detector offer early detection of fire and overheating conditions in. Up to 10,000 feet 3,000m of safecable can be used on every zone of any approved conventional panel or contact monitor module of any approved addressable panel. Safecable is an easy to design, install, operate and maintain linear heat detection cable. Linear heat detectors by protectowire can best be described as a continuous run of spot heat detectors within a versatile cable. Up to 10,000 feet 3,000m of safecable can be used on every zone of any approved conventional panel or contact monitor. It makes for an ideal heat detector due to its chemical resistance, ability to detect fire anywhere along its length, and cost effectiveness. Understanding digital linear heat detection international. In this article, we will delve into the construction and operating principles of digital linear heat detection, applications and guidelines for fire protection engineers, the use of nfpa codes and standards as well. It can detect a fire anywhere along the length of the cable, and can be of lengths. Protectowire protectowire linear heat detector 2000m. Capabilities include meeting any fire defense need from hazardous area detection to auxiliary equipment shutdown and automatic extinguishing. At the core of the lhd cable is a twisted pair of extremely low resistance, trimetallic conductors sheathed in new advanced thermal polymers. Linear heat detection system analogue linear heat cable, pvc 1 m hc650m the hc650 pvc cable is suitable for indoor, non corrosive applications. In the automatic auto scan mode this device continually steps through all active not bypassed detection zones until an alarm input signal is received.
Linear heat detection specification document 200907. Safe fire detection s new linear heat detection lhd wire, thermocable is a heat detector, not a system, and must interface with an approved fire alarm panel that meets all local and national codes to become a system. Using a zone or switch monitor, the analogue linear heat detection system can easily be interfaced to an addressable loop or can be directly connected to a zone of any conventional fire panel. With the linear detection system fibrolaser, siemens offers a stateoftheart solution, which has been proven worldwide and constitutes the largest installed base on the market. Simplex 40989619ea heat detector type b 31 simplex 40989621ea heat detector type d 31 system sensor 885wpb weatherproof heat type b 40 tyco 601f1 infrared flame detector 5 tyco 601fex1 infrared flame detector 5 mx1. Fiber optic cables represent the future of linear heat detectionand its available now. H8028 linear heat detection cable specification sheet. The optical fiber linear heat detection cable was installed in the ceiling void. 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 nds9116x sixteen zone alarm scanner identifies the zone number in conjunction with linear alarm point identification of a protectowire heat sensitive cable detection zone. Flexible leads flexible leads are furnished with most protectowire systems for connecting protectowire linear heat detector to terminals.
These are two distinct applications within this environment. Digital linear heat detection fire protection technologies. Chemical resistant chart for protectowire jacket material. The cable is also available in other outer sheaths. The securisens adw 511a is a linear rateofrise and maximum temperature detector and works on the principle of the change in. Continuous temperature sensing along its full length, unaffected by change in ambient temperature, with ease of installation and low maintenance. Linear heat detection using firelaser distributed temperature. Best described as a continuous linear thermometer that actively reports temperature readings, fiber optic linear heat detection is immune to emi and rfi and can be configured to offer programmable alarm criteria along the length of the cable.
Intelligent linear heat detection systems application guide hubspot. Microprocessor based intelligent fire alarmsup pression control panel. I have been a protectowire distributor for 25 years. Fibre optic linear heat detection applie d to tunnels chris conway sensa.
Bandweavers vision is to be the first choice for integrated distributed fiber optic sensing solutions, by delivering reliable, innovative, clientcentric and value added products and services, via our dedicated and talented team of people. Linear heat detection cable application using intrinsically. All accessories pertaining to the detector for installation and mounting must be purchased from. Linear heat detection a complete line of linear heat detection systems. The linear heat detection cable lhdc system from hochiki is designed to provide early detection of fire and overheating in circumstances where other forms of detection would not be viable, either due to inability to sustain the environmental requirements or through prohibitive costs. Temperature related risk protection data supplied by fire insurance companies indicates that most industrial fires are caused by.
Such effective fire protection is easy to achieve, made possible by the use of userfriendly programming and evaluation routines, combined with a maintenancefree and failsafe operation. The lhs linear heat sensor is factory mutual approved and is designed for open area as well as proximity detection. When installing lhd cable in a rack system with or without a sprinkler system, local regulations must be followed along with the manufactures recommendations. American fire technologies offers a complete line of linear heat detection systems for a variety of applications. Linear heat detection system using the aries facp may consist of. It can detect a fire anywhere along the length of the cable, and can be of lengths in excess of a kilometer. System sensor fixed temperature linear heat sensing lhscable range consists of a twisted pair of extremely low resistance.
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. Heat responsive devices are either a linear heat or a spot heat detection type. Protectowire fire detection systems provide a complete single source solution for meeting any fire defense need, from. An automatic cable reeler provides the electrical connection. Floating roof storage tanks lhdc rim seal fire detection ancillaries floating roof electrical schematic a rim seal fire detection system using linear heat detection cable lhdc can be installed at the edge of the rim seal of a floating roof tank.