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NKT Photonics A/S

Fiber optic sensing systems

With the LIOS Sensing product line, NKT Photonics is the market leader in distributed optical sensing of temperature and strain for security, safety and fire detection. Backed by more than 20 years of experience and thousands of systems in the field worldwide, we deliver LIOS monitoring solutions with unrivaled quality and performance.

Our LIOS distributed temperature and strain sensing solutions give you a quick and easy overview of the status of your installation. We use passive optical fibers as distributed sensors, they are immune to vibration, electromagnetic noise, dust, cryogenic temperatures, and moisture.

You get continuous and accurate monitoring of temperature and strain over long distances or across large surfaces – at the speed of light! It is highly reliable too, offering you a Mean Time Between Failure of above 45 years. We provide full solutions from the early design phase, over installation and commissioning, to service and maintenance when the system is deployed. Everything made in Germany under ISO 9001 and 14001 certification.

LIOS DE.TECT Linear Heat Detection
The LIOS DE.TECT range of optical linear heat detection systems offers fast and accurate fire detection in tunnels, metros, and other large installations. With fire detection projects in 18 different countries our DE.TECT solution has become a trusted partner with installers of fire alarm systems, constructors of extinguishing systems, and general contractors across the globe. Since the introduction in 1997 the DE.TECT system has revolutionized the safety standard in underground transport facilities as it enabled complete and precise monitoring of an entire tunnel length with one system.

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LIOS EN.SURE Power Cable Monitoring
LIOS EN.SURE exploit our accurate and state-of-the-art DTS technology to provide real time temperature profiles for monitoring of cables, power grids, and overhead transmission lines. Our industry leading 70 km single-ended monitoring range allows for superior hotspot detection along the whole sensor cable length, even at the most remote distances. EN.SURE is a round-the-clock and cost-effective monitoring solution for the electric power transmission and distribution grid and is the key factor for successful Smart Grid implementation.

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LIOS PRE.VENT Industrial Temperature and Strain Monitoring
The LIOS PRE.VENT range of industrial monitoring solutions utilizes our robust DTS and DSM technology for providing flexible monitoring solutions for 24/7 surveillance of a large array of industrial applications. With customized solutions and easy installation the LIOS PRE.VENT product line accommodates temperature and strain monitoring of chemical processing plants, reactor vessels, gasifiers, induction furnaces, LNG tanks and containments, as well as pipelines, infrastructures, and many others assets.

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LIOS WELL.DONE Temperature and Strain Monitoring for Oil & Gas applications
LIOS WELL.DONE is developed for use in the Oil & Gas industry to meet the high demand for low-cost, reliable and easily installable systems and to provide accurate temperature gathering in the quest for greater efficiency. Harsh environments, like oil reservoirs, pose a challenge for sensitive components and yet equipment deployed downhole must be 100% reliable despite heat, pressure, moisture, vibration, and corrosion. With WELL.DONEs robust and maintenance–free industrial design, in combination with the ability to provide open standard protocols, it is the perfect flexible, efficient, and cost-efficient solution.

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Charon visualization and monitoring software
Charon is the software that binds all sensing data together in one platform. Compatible with all LIOS sensing products and a range of third party sensors, Charon can combine data from multiple sources and store them in a common SQL database. From the database, the sensing data can be presented both visually in one big overview where you can quickly get a status on the entire installation being monitored, or split up in graphs, tables or any other format you may want.

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