Programmable Temperature Sensing (Resettable)
Thermocable’s Programmable Temperature Sensing Linear Heat Detection (previously known as ‘analogue’) is a cable-based fire detection solution that combines over 60 years of fire safety expertise with innovative technology that adapts to the most demanding environments.
Unlike conventional spot detectors, Programmable LHD’s four-core cable continuously monitors resistance changes along its length, allowing for precise temperature tracking and early warning capabilities. It’s ideal for environments where gradual temperature changes or rate-of-rise scenarios are common — such as tunnels, car parks, and solar PV installations.
Why Choose Programmable LHD?
- Resettable detection
the system can be reset after an alarm event (unless the thermal limit is exceeded), reducing cable replacement costs. - Ambient temperature compensation
minimises false alarms in environments with fluctuating conditions such as solar farms or refrigerated facilities. - Programmable alarm thresholds
configurable alarm and pre-alarm settings to match specific risks, from low-temperature areas to high-heat industrial zones. - Flexible installation
cable-based design provides continuous coverage in hard-to-reach areas where point detectors fail.
ProReact Programmable Temperature Sensing
Resettable, programmable, and precise—fire detection made smarter.
- UL and VdS approved
- CE, RoHS, and UKCA certified
- LSZH coating, UV stability, and hydrocarbon resistance
- Optional stainless steel braiding for mechanical protection
Applications Across Critical Sectors
Programmable LHD is engineered for industries where traditional detectors fall short:
- Industrial
dependable fire protection for production plants and transformer bays, where machinery generate different heat levels and downtime is costly. - Infrastructure
continuous coverage for tunnels, car parks, and cable trays, where long cable runs and harsh conditions make point detectors impractical. - Data Centres
protecting equipment from costly outages by detecting early signs of overheating. - Warehousing & Cold Storage
flexible thresholds adapt to low ambient conditions, preventing false alarms while ensuring rapid response in temperature-sensitive storage.
Built for Distributors, Specifiers, and Operators
- For distributors, it’s a clear differentiator in the market: resettable, programmable, and internationally approved. Easy to explain, easy to sell.
- For fire safety engineers, it’s a product that adds to their portfolio which integrates seamlessly into complex fire detection systems.
- For facility managers, it’s dependable coverage that keeps operations running without costly false alarms or downtime.
Experience You Can Trust
As an original manufacturer of linear heat detection cable, Thermocable has set the standard for fire detection innovation since 1968.
Our products are designed and manufactured in the UK, rigorously tested, and deployed in critical infrastructure worldwide. Every metre of cable is backed by technical expertise, global approvals, and a proven record of protecting people, assets, and operations.
Partner with Thermocable
Thermocable works closely with distributors, system integrators, and end-users to deliver reliable fire detection solutions tailored to the real-world challenges of modern industries.
ProReact - Programmable Temperature Sensing
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