Power Transmission Substation Monitoring

As part of an LHD project in Singapore, multiple power transmission substations were upgraded.

Bus Duct Monitoring in Hyperscale Facility

AP Sensing collaborated with a major American tech company to provide a bus duct temperature monitoring solution for a UK data center. Our DTS monitoring solution spans two building levels and nearly thirty rooms with over 100 alarms enabled.

LNG Terminal Monitoring

An undetected leak in an LNG terminal is a worst-case scenario. In this project, AP Sensing is providing a solution for leak detection and thermal monitoring for Elengy in France.

AP Sensing's 270,000 Tree Celebration

As we mark Earth Day, we're thrilled to share our ongoing commitment to the environment with our partner WeForest.

Power Cable Monitoring

Fire Detection

Pipeline Monitoring

LNG Monitoring

Well & Reservoir Monitoring

Geo- & Hydrological Applications

Railway Monitoring and Train Tracking

AP SENSING - LEADING THE WAY WITH PASSION

AP Sensing offers distributed optical sensing technologies.

Based on our HP/Agilent heritage, with over 35 years of fiber optic measurement leadership, we stand for top quality and well-designed solutions for distributed optical sensing (Distributed Temperature Sensing, Distributed Acoustic Sensing, Distributed Vibration Sensing). We are proud of our passionate focus on customer needs, our expertise, our highly-qualified employees, our worldwide offices, and a network of regional partners. Contact us today or click on your application area above to see what we can do for you!

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Fiber-based current monitoring (FbCM)

To enhance reliability, Energinet and AP Sensing implemented a pilot installation of AP Sensing’s FbCM solution on a new 132 kV HVAC cable connecting two substations in Copenhagen.

Power Transmission Substations Monitoring

Multiple power transmission substations in Singapore were upgraded from conventional to new linear heat detection systems. This upgrade includes interfaces with local fire alarm control panels (FACP), enabling active countermeasures in emergencies and providing real-time monitoring data 24/7.

Bus Duct Temperature Monitoring in Hyperscale Facility

With the challenge of spanning two building levels and nearly thirty rooms, AP Sensing deployed a fiber optic Distributed Temperature Sensing (DTS) unit, providing continuous monitoring along high ampacity bus ducts.

LNG Terminal Leak Detection & Monitoring

AP Sensing is monitoring Elengy's Fos-Tonkin LNG terminal in France with our Distributed Temperature Sensing (DTS) technology for continuous leak detection and thermal monitoring along the jetty.

Bus Duct Monitoring in a Colocation Facility

The data center facility in this case study has evolved and is currently designed and built to operate as a modern colocation data center. The operator pursued a retrofit bus duct temperature monitoring solution, which would increase operational efficiency and provide a continuous monitoring solution for the entire length of all bus duct sections in the data halls.

Bus Duct Data Center Monitoring

Recently, a major cloud computing provider was looking for a busway temperature monitoring solution for their European hub. They were looking for a continuous monitoring solution for the busway runs between switchrooms and the data hall and implemented one AP Sensing DTS device plus specialty sensor cable for 24/7 monitoring of hotspots and localization of hotspots within 1 m. Our solution enables preventative maintenance and a quick emergency response.

Fiber-based Current Monitoring

Comprehensive power cable monitoring is becoming increasingly important - computing cable ratings based on thermal profiling (RTTR), detecting and locating hotspots, cable faults and TPI events, and permanent cable condition monitoring of cable accessories and terminations for early detection of issues within the entire cable system. Read more about our sheath current monitoring study conducted with Brugg Cables.

Urban Power Cable Monitoring using DAS & AI

Underground HVAC power cables are often buried within urban areas, under streets, bridges and near construction sites. TSOs are in need of a suitable and feasible solution for accurate detection and classification of Third Party Interference (TPI) events close to power cables. AP Sensing, together with our partner Crony, recently completed a project that used a combination our our DAS technology with Artificial Intelligence (AI), specifically Deep Neural Networks (DNN), for signal analysis and classification.

Innovative DoBS method for offshore power cable monitoring

With the actual accelerated transition towards more sustainable energies, the deployment of wind farms and submarine power cables has significantly increased in the last few years and will expand significantly in the near future. Therefore, monitoring the growing number of offshore power cables has become very important to identify possible damage risks and avoid long power outages at an early stage.

Photovoltaic (PV) Panel Monitoring

A major tech company began looking for a fire detection and monitoring solution, specifically for continuously monitoring its rooftop solar panels at a new industrial site.

AP Sensing was selected to monitor Kolkata Underground

The Kolkota Metro is within the top five longest operational metro systems in India with over 38 kilometers in combined length and therefore represents an essential component of public transportation in West Bengal. In cooperation with our partner TECHFAB Systems, AP Sensing was chosen to commission our Linear Heat Detection (LHD) technology on a 6649 meter underground railroad line between the stations of Phoolbagan and Sealdah.

Ma'aden Phosphate Conveyor Monitoring

AP Sensing was selected to monitor a 1.3 km underground and above ground phosphate conveyor belt with our certified fiber optic Linear Heat Detection (LHD) solution.

AP Sensing performs successfully in Tunnel Fire Tests

Fires in road tunnels pose an enormous risk to human life and cause costly damage to infrastructure. Additionally, vehicle fires are not entirely uncommon, and enclosed tunnels provide the perfect conditions for the spread of a fire that is difficult to extinguish. Therefore, it is extremely important to detect tunnel fires quickly and precisely. On this occasion, AP Sensing was selected to participate in multiple fire safety tests prior to the opening of the Kriegsstraßentunnel in Karlsruhe, Germany.

AP Sensing Monitors Underground Gas Storage in China

As a part of it's gas storage monitoring infrastructure, the China National Petroleum Corporation (CNPC) required continuous downhole temperature and pressure sensing for its underground gas storage (UGS) project in Daqing Oil in order to ensure well integrity and evaluation.

400kV Power Cable Circuit Monitoring in Bahrain

AP Sensing was recently selected to monitor a 400 kV power cable loop for Electricity and Water Authority (EWA) in the Kingdom of Bahrain. As part of EWA’s strategic 400 kV Transmission Development program, this project adds a crucial link to the infrastructure of the Kingdom of Bahrain and is the first 400 kV XLPE submarine cable to be installed in the Gulf Cooperation Council (GCC) region.

500kV HVDC Monitoring KEPCO

The Buk-Dangjin to Godeok underground power cable link supplies electricity in South Korea from the Dangjin power plant to Godeok, Pyeongtaek city and throughout the Seoul Metropolitan area. AP Sensing's Distributed Acoustic Sensing (DAS) technology was recently deployed by Korean Electric Power Corporation (KEPCO) to monitor the power cable link.

TPI & Power Cable monitoring for RTE, France

AP Sensing is monitoring a 39 km underground power cable link for Réseau de Transport d’Électricité (RTE), the French electricity transmission system operator. Both Distributed Temperature Sensing (DTS) and Distributed Acoustic Sensing (DAS) technologies are in use to monitoring Third Party Intrusion (TPI), cable faults, and hotspots, as well as AP Sensing’s SmartVision software with a MapView module.

Power Cable Fault Detection & Location Analysis

For large power cable assets such as subsea cables, windfarm export cables or HV onshore transmission cables, finding cable faults rapidly is crucial to minimizing downtimes caused by these faults. Fiber optic Distributed Acoustic Sensing (DAS) is a key enabler for this task. In this compilation of four different projects, AP Sensing summarizes different situations and how our DAS system provided fault-finding services both offline and online.

Downhole Oil and Gas Monitoring, China

AP Sensing‘s Distributed Temperature Sensing (DTS) solution was selected to assess reservoir performance and improve gas recovery. The Moxi gas plant, located in Suining, Sichuan, is China‘s largest gas field. A solution was needed to assess reservoir performance and improve overall gas recovery results.

Battery Warehouse China

Amperex Technology is a market leader in the design and manufacture of rechargeable lithium ion / polymer battery cells and related battery packs and systems. The company’s battery warehouse in Fujian has the capacity to store 7,000 batteries and packs.

Electrical Cable Tunnel Fire Protection in Doha

In one of Qatar's recent infrastructure projects, several electrical cable tunnels were constructed for the Public Works Authority of Qatar. The Al Rayyan Cable Tunnels are difficult to monitor and required a reliable solution for fire detection that functions alongside other technologies and interfaces with the local Fire Alarm Control Panel (FACP).

Underground Power Cable (DAS), Germany

An AP Sensing Distributed Acoustic Sensing (DAS) system is monitoring a 6 km high-voltage power cable in Germany. A key feature of DAS is the ability to immediately detect and locate cable faults. This helps optimize transmission and distribution networks, and reduces costly and unnecessary operational costs and asset downtime.

380 KV Underground Power Cable Monitoring in Brugg

Brugg Kabel & Swissgrid selected AP Sensing to monitor a new project in Switzerland where a route of overhead lines will be replaced by underground power lines. The power cable monitoring system provides accurate temperature profiling for all power cable phases, plus indicates maximum temperatures and where these are located.

Ammonia Pipeline France Updated Case

Ammonia is highly toxic, and needs to be carefully monitored when transported as a highly-cooled liquid through pipelines. AP Sensing’s fiber-optic based DTS system was selected to monitor an entire network of ammonia pipelines at an animal food supplement plant.

Fukushima Frozen Ground Monitoring Japan Updated Case

A March 2011 earthquake in Japan resulted in a tsunami that caused equipment failures at the Fukushima nuclear power plant. It was later discovered that radioactive water was leaking into the sea, so an underground barrier of frozen earth was constructed to contain the water inside the plant.

CO2 Pipeline UAE Updated Case

The operators of a 72 km CO2 pipeline wanted a fast and accurate system for leakage detection and Third Party Interference (TPI) monitoring. AP Sensing’s solution uses Distributed Temperature Sensing (DTS) for pipeline leakage detection and Distributed Vibration Sensing (DVS) for TPI, ensuring maximum protection of this valuable infrastructure.

Alcohol Tanks Chile November 2020

AP Sensing's fiber optic linear heat detection solution was selected to monitor alcohol tanks in the Panimex Quimica chemical plant in Chile. One unit can monitor the entire tank farm and is integrated into a central fire alarm and extinguishing system.

Natural Gas Pipeline Thailand September 2020

A natural gas pipeline operator in Thailand sought out a solution to protect a 27 km pipeline from Third Party Interference (TPI). AP Sensing's solution provides constant, real-time monitoring of the entire pipeline using Distributed Acoustic Sensing (DAS). Successful testing was conducted to detect TPI events such as excavator digging, moving and tapping, as well as manual digging and vehicle movement.

Doha Metro August 2020

In parallel with the launch of the new Doha Metro system, AP Sensing began monitoring its railway tunnels with our Linear Heat Detection (LHD) solution. 128 km of the metro system is monitored by 16 multi-channel Distributed Temperature Sensing (DTS) units and 132 km of fiber optic cable. Our system also integrates with the metro's Train Management System.

Codelco Conveyor Belts Chile (Spanish) August 2020

La Corporación Nacional del Cobre de Chile (Codelco) seleccionó a AP Sensing para monitorear las cintas / correas transportadoras en una de sus instalaciones, que es una refinería de cobre y una planta de procesamiento. Nuestro sistema de detección de calor lineal (LHD) está siendo empleado para proporcionar un sistema preventivo de monitoreo en tiempo real de las cintas transportadoras el cual puede anticipar condiciones críticas y generar pre-alarmas para condiciones anormales de temperatura.

Coldelco Conveyor Belts Chile (English) August 2020

Corporación Nacional del Cobre de Chile (Codelco) selected AP Sensing to monitor conveyor belts at one of its operations, a copper refinery and processing plant. Our Linear Heat Detection (LHD) system is in place to provide a preventative system for real time monitoring of the conveyor belts that is able to anticipate critical conditions and generate pre-alarms for abnormal temperature conditions.

Conveyor Belt Monitoring (German) July 2020

11 Geräte der AP Sensing Linear Heat Detection (LHD) Serie überwachen gegenwärtig die Förderbänder am größten Salzproduktionsstandort in Deutschland. K+S beansprucht eine AP Sensing Lösung zur Früherkennung von Bränden an Förderbandbrücken, da diese leicht entzündlich sind und das Feuer schnell verbreiten. Im Vergleichstest mit anderen Technologien, war die Lösung von AP Sensing am besten geeignet für diese Anwendungsart und dessen schwierigen Umgebungsbedingungen.

Conveyor Belt Monitoring (English) July 2020

11 AP Sensing Linear Heat Detection (LHD) devices are currently in use, monitoring conveyor belts at the largest salt production site in Germany. K+S pursued an AP Sensing solution for early fire detection on conveyor belt bridges, as these burn quickly and are important for site operation. Despite testing various other technologies, AP Sensing's simple solution was the best fit for this type of application and its tough environmental conditions.

115kV Underground Power Cable Saudi Arabia June 2020

Khudriyah-2 BSP is a new grid station situated on the outskirts of Dammam city, Kingdom of Saudi Arabia. Our Distributed Temperature Sensing (DTS) system was deployed to monitor the temperatures of two 115 kV underground circuits, providing thermal profiling and insights into the the actual conductor temperature and transient statuses with Real Time Thermal Rating (RTTR).

Electrical Power Cable Tray Heat Monitoring May 2020

AP Sensing is monitoring the cable trays at Princess Nourah Bint Abdulrahman University in the Kingdom of Saudi Arabia. Fiber Optic Linear Heat Detection provides a continuous, complete solution that traditional thermography services cannot provide. 4 LHD units monitor the cable trays of all MV electrical power cables for hotspots or potential fires, alerting facility managers with automatically-generated alarms. The system fully integrates into the campus' DCS and FACP and utilizes our SmartVision software for a visual overview of the data.

Underground Transmission Cable Monitoring Pakistan May 2020

AP Sensing is monitoring a 132 kV underground transmission cable for Karachi Electric. This cable experiences greater loads than nominal lines, as it feeds energy to a steel mill with high energy throughputs and frequent consumption cycles. Our solution provides end-to-end temperature monitoring to reduce thermal overload and cable faults. Additionally, RTTR and our asset viewer software enhance operational insight.

Wet Oil Pipeline May 2020

AP Sensing is monitoring a complex project involving two buried, wet oil pipelines utilizing Distributed Temperature Sensing (DTS) and Distributed Acoustic Sensing (DAS) systems for leak detection for our customer, Wintershall-Dea. The project used gradient-based and machine learning transient leak detection for highest detection capabilities and a very low false alarm rate.

Underground Power Cable Utilizing DAS March 2020

Delhi Metro February 2020

AP Sensing's Linear Heat Detection (LHD) solution is in use for monitoring the Delhi Metro, commissioned by our local partner TechFAB in 2018. The system is in use to monitor hot spots, tunnel temperatures and the ventilation system. 13 Distributed Temperature Sensing (DTS) devices are in use to cover 10 underground metro stations and an airport.

Kriegers Flak Offshore Wind November 2019

Denmark's largest offshore wind farm required a reliable, high-performance solution for protecting and monitoring cable loads and immediately detecting faults. 6 DTS units and 9 DAS units are in use for monitoring 300 km of this asset; AP Sensing's SmartVision visualization software is utilized for a real-time graphic overview of all temperature and acoustic data.

Glencore Coal Australia September 2019

AP Sensing, in collaboration with Advanced Photonics Australia, provided a reliable Linear Heat Detection solution to Glencore at the Bulga Coal Handling Plant. Our system is not only used for early fire detection and localization, but also to deliver information for efficient fire management and activation of fire suppression systems.

Reservoir Water Pipeline

An AP Sensing DTS solution with SmartVision software was selected to monitor two reservoir water pipelines in northern Germany. These pipelines are used to dispose of water leftover from oil and gas production. The AP Sensing DTS is used to monitor and control the pipelines for leakages from the production facility to the bore walls.

Self Unloader Fire Detection March 2019

An AP Sensing DTS solution with was selected to monitor a self-unloading bulk carrier in China for fire protection. Self-unloaders have more than 400m of conveyer belts, which are important to protect and monitor. Our DTS solution was selected due to its reliability in harsh environments, complete set of certifications, reputation, and MTBF of 33 years.

Underground Power Monitoring Skanste Riga Aug 2018

An AP Sensing fiber-optic DTS (Distributed Temperature Sensing) solution was selected to monitor power cables on two underground circuits in Latvia. This successful installation involved one DTS N4425A device with six channels, as well as SmartVision and RTTR (real time thermal rating).

Offshore Windpark DTS and DAS Monitoring SEPT 2017

The operators of an offshore wind farm located off the west coast of Denmark wanted a monitoring solution to locate cable faults immediately after they occur. They chose AP Sensing for our unique combination of DTS (Distributed Temperature Sensing) and DAS (Distributed Acoustic Sensing) capabilities.

Fire Protection in Aircraft Hangars UAE Updated Case

AP Sensing was selected again to monitor a large and valuable infrastructure in the Middle East: an aircraft hangar, where aircraft are brought for maintenance and inspections.

Subsea Power Cable Monitoring with SmartVision and RTTR FEB 2017

The oil platform operator Engie needed a monitoring solution for their medium voltage (35kV) subsea power cable, which provides the power for the platform operations. AP Sensing was selected not only because of our ruggedness, reliability and superior support services, but also for our SmartVision™ and RTTR capabilities.

Rio de Janeiro Tunnels JAN 2017

AP Sensing was recently selected to monitor 4 important traffic tunnels in Rio de Janeiro. The tunnel operators needed a system with fast response times, excellent reliability and accuracy, and low maintenance. Click on the title or picture to download the entire paper.

White Paper: DTS for District Heating Pipelines September 2016

This white paper examines the effectiveness of using a DTS (Distributed Temperature Sensing) solution to monitor underground district heating pipelines. Should a pipe become damaged or develop a leak, the DTS reveals the degree of damage and the location, with no need for expensive digging and repairs.

Subsea Power Transmission Link Sicily Calabria July 2016

The extra high voltage power links run between power stations in Sicily and Calabria, crossing the Messina straits. To monitor and protect the overland sections of this important link, AP Sensing’s fiber-optic based DTS (Distributed Temperature Sensing) solution was selected.

Saadiyat Tunnel Abu Dhabi July 2016

The Saadiyat Island tunnel is 1.2 km long and connects the Louvre Abu Dhabi, the Guggenheim Abu Dhabi and the Zayed National museums. It is used for the safe transportation of supplies and especially for the very valuable works of art for the new museums.

Olympic Park Brazil Updated Case

The Olympic Park is the main center of competition for the 2016 Summer Olympics in Rio de Janeiro. Covering over 1 million square meters and including 9 different sports facilities, a new power substation was constructed to handle the enormous power demand in the park. AP Sensing’s fiber-optic based DTS (Distributed Temperature Sensing) solution was selected to monitor this valuable infrastructure.

Tunnel Safety Meir Tunnel UK May 2016

When a competitor’s LHD (Linear Heat Device) could no longer be maintained locally or checked for correct operation, it was decided to replace it with an AP Sensing DTS (Distributed Temperature Sensing) device in the 284m long Meir tunnel. The tunnel is located in a heavily trafficked area in Stoke-on-Trent in England.

QOREX OPN Article

Experience has shown that it is critical to have an effective hydrogen-mitigation strategy in order to have success with any downhole fiber optic sensing system.

Interview AP Sensing on Well & Reservoir Monitoring

Distributed fiber optic sensing for the Oil and Gas industry 2014 - 2024: Market Prospects for DTS, DAS, DTSS; Well and Reservoir Monitoring, Security and Seismic.

Wind Park Subsea Power Cable Monitoring Shanghai Oct 2010

The Donghai Bridge Wind Farm in Shanghai is the second largest bridge in the world. The wind farm is the first commercial offshore wind park, and was completed prior to the 2010 World Expo in Shanghai. AP Sensing was selected to monitor the subsea power cable with an approximate length of 15km.

Transmission and Distribution Network Updated Case

A leading Australian network operator wanted to gain monitoring insight into his distribution network: to monitor the medium-voltage power cable’s condition, identify hotspots and bottlenecks, and to minimize risks and costs for maintenance and in emergency situations. The operator can now operate his network at the highest possible safe ampacity level.

Taiwan Mass Rapid Transit Updated Case

AP Sensing was selected to monitor the power cable in a new metro tunnel. This is the first power cable temperature monitoring system to be used in the Taipei MRT. The Linear Power Series solution continually monitors the temperature of high-voltage power cables. The DTS (Distributed Temperature Sensing) solution ensures a stable, safe and efficient power transmission and distribution.

Sweden to Lithuania Subsea Cable Updated Case

Learn why AP Sensing was selected to monitor and protect the world's longest XLPE subsea cable.

Power Cable Tunnel Monitoring Shanghai Mar 2010

The World Exposition 2010 Shanghai China (Shanghai Expo) was held at the waterfront area on both sides of Huangpu River in Shanghai from May to October, 2010. AP Sensing provided its leading Distributed Temperature Sensing (DTS) system, the “Linear Power Series”, to monitor and secure the first 500kV power cables in Shanghai installed in a power cable tunnel over a distance of 20km.

Power Circuit Monitoring Czech Republic Jan 2010

In 2009 Brugg Cables installed a new 110 KV power circuit within the city limits of Prague. To protect valuable assets with Distributed Temperature Sensing (DTS) technology the end customer chose to equip the new circuit with a fiber optical sensor cable and permanently monitor the temperature profile with an AP Sensing Linear Heat Series instrument.

Network Operator Austria July 2013

In 2012, when it was time to upgrade and expand their network, Energie Steiermark selected AP Sensing as their DTS solution provider. Two of AP Sensing’s Linear Power Series DTS devices were installed, equipped with Multi Sensor Boards.

High Power Underground Cable Monitoring March 2010

Underground utilities are “the power” beneath large cities. They feed the cities with electric power, gas and water. Failures in this sensitive infrastructure are costly and therefore USI Power selected AP Sensing’s outdoor DTS instrument to permanently monitor the temperature along a 220kV power circuit connecting Manhattan and Queens.

380 KV Power Circuit Monitoring March 2011

In 2010 a new 380KV power circuit was put into operation as part of a nationwide power grid improvement. Near Florence the high voltage circuit has buried sections in close proximity to a very populated valley and a historic church. The primary route was completed in trenches filled with thermal sand. The project also included challenging road crossings that used horizontal drilling to complete the construction.

220 KV Power Circuit with Temperature Map Updated Case

A new 220KV underground power circuit traverses many different types of soil conditions along its 25 km length. AP Sensing’s fiber optic based DTS (Distributed Temperature Sensing) solution was selected by the network operator RTE (Réseaux de transport d'éléctricité), based on its reliability and ruggedness, as well as the innovative asset visualization capabilities.

Sulfur Pipeline Habshan UAE Updated Case

Pipeline transporting of sulfur requires heated pipelines, so the sulfur remains in liquid form. AP Sensing's fiber-optic based DTS (Distributed Temperature Sensing) system provides insight into the temperature along the entire length of the pipeline.

Pipeline Leakage Detection Crude Oil Updated Case

Mittelplate is Germany's largest oilfield and is located in the ecologically-sensitive Wadden Sea (a national park). The highest level of safety standards needs to be met to monitor 2 specialty pipelines between the island and the mainland. The operators selected a Distributed Temperature Sensing (DTS) solution from AP Sensing for monitoring and leakage detection.

DTS Monitoring system identifies pipeline issue Updated Case

Pipeline transportation of sulfur requires heated pipelines, so that the sulfur remains in liquid form. At the Q8 Kuwait refinery in Rotterdam a reliable and well-performing DTS (Distributed Temperature Sensing) system was needed to diagnose a heating issue in a sulfur pipeline.

DTS Technology Reduces LNG Plant Operating Costs

Fiber optic DTS systems have been used for over 30 years on LNG terminals. From the jetty to the processing area, from the tank annulus to the spill containment area and the base slab, DTS monitoring is ideally suited to monitoring tasks at an LNG facility.

Temperature Monitoring of Boreholes Updated Case

The Hamburg Ministry of Urban Development and Environment decided to use geothermal heat exchange pipes for heating and cooling. Over 1600 boreholes and borepiles were drilled and heat exchangers were installed in over 800 borepiles. In 27 boreholes fiber optic sensor cable was also installed to enable temperature monitoring with AP Sensing’s DTS (Distributed Temperature Sensing) solution.

DTS fiber optic stream dynamics Dec 2007

Streamflow dynamics are the lifeblood of many ecological communities. Distributed temperature sensing is a unique new technology researchers can use to better measure and understand environments and ecologies.

Dam Leakage Detection and Monitoring Updated Case

A rockfill dam in Macedonia with an asphalt core required leakage detection and seepage monitoring using GTC Kappelmeyer’s Fiber Optic Leakage Detection method with an AP Sensing DTS (Distributed Temperature Sensing) device.

DTS fiber optic brings precision to ecologic sensing Dec 2009

Wired Watershed: Fiber-optics bring new precision to ecosystem sensing

DTS fiber optic profiling of ecological systems May 2008

Fiber optic DTS (distributed temperature sensing) has emerged as a powerful tool for observation of hydrological and ecological processes over a wide range of temporal and spatial scales. Several studies suggest a broad range of application.

Arctic glacial research study utilizing DTS Oct 2008

Ground surface temperature reconstructions: Using in situ estimates for thermal conductivity acquired with a fiber-optic distributed thermal perturbation sensor.

Traffic Tunnel Fire Detection Maritime Alps Feb 2011

Two AP Sensing Linear Heat Series instruments were installed in the Tunnel de la Mescla and Tunnel de Reveston as fire detection systems. The tunnels are separated by a 400 meter bridge and each have a dedicated control room. Tunnel engineers configured two independent Linear Heat Series instruments with a single, linear fiber optic cable sensor – the “Safety (FRNC)” – with two independent fibers between them.

Thermal Plant Fire Detection Slowakia Nov 2011

The long-distance heating and electrical company Zilinska Teplarenska is located in Zilina, Slovakia. The plant has many different conveyor belt lines, with a total length of several kilometers. When a fire occurs on a conveyor belt it can shut down the transportation of the line, which in turn exposes a company to delivery problems and significant financial risk.

Rail Tunnel Bukit Berapit Malaysia Updated Case

Malaysia has modern cities and transportation infrastructures to go with its beaches and green countryside. The twin Berapit rail tunnels each have a length of 3.3 km and run between Padang Rengas and Taiping. When the tunnel operators needed to provide a fire detection system to complement the fixed manual water suppression, they turned to AP Sensing’s DTS (Distributed Temperature Sensing) solution, the Linear Heat Series.

National Stadium Heat Detection Bucharest Aug 2011

AP Sensing Linear Heat Series device was installed in the new National Stadium in Bucharest, Romania. The stadium has a capacity for 55.600 people, expandable to 63.000. The DTS device monitors the temperature in the cable trays. These cables supply the power for the lighting on the playing field. The cable trays reach over three levels and are divided into 24 different alarm zones.

Mecca Royal Clock Tower Chooses AP Sensing Updated Case

The Mecca Royal Clock Tower is an engineering marvel, and is located near the world’s largest mosque, as well as Islam’s most sacred site, the Masjid al Haram. Four AP Sensing Distributed Temperature Sensing devices were installed to ensure continuous, fully-redundant monitoring. After years of issue-free operation, AP Sensing's DTS coverage was expanded to new areas of the infrastructure.

Linear Heat Series Under Test (German) Apr 2009

Im Maßstab 1:1 wurden Feldversuche unter authentischen Umweltbedingungen in Zusammenarbeit mit Tyco Fire / Scum und dem SP Technical Researsch Institure of Sweden durchgeführt. Diese zeigen auf, dass faseroptische Linearewärmemelder (DTS – Distributed Temperature Sensing) sehr schnell und zuverlässig unterschiedliche Brandtypen melden, diese präzise lokalisieren und Brandgröße sowie Ausbreitungsrichtung über eine lange Zeitdauer genau beobachten können.

Loading Dock Flammable Subtances May 2011

AP Sensing’s Linear Heat Series instrument was chosen to provide reliable fire detection of loading bays that handle flammable substances at a solar panel production site in Switzerland. The loading dock bays are separated by concrete walls to minimize the risk of a fire spreading. The N4387A is located in a central control room at a safe distance from the dock; only the passive optical sensor cable is exposed to the dock ATEX area.

Linear Heat Series Under Test Apr 2009

Field trials in 1:1 scale under authentic environmental conditions have been performed in cooperation with Tyco Fire / Scum and SP Technical Research Institute of Sweden to reveal the capabilities of Distributed Temperature Sensing (DTS) to detect different types of fire fast, to localize fires precisely and to monitor fire size and spreading accurately over an extended period.

Big Parking Garage Heat Detection Germany Feb 2010

Europort II is a 75,000 square meter parking terminal and distribution center for new cars on their way to dealerships. Protecting this valuable asset and its contents requires an efficient and effective fire detection system. The harsh environment – in many aspects comparable to a traffic tunnel – and the value expectations of the operator led to many strict requirements for the DTS system.

Linear Heat Series Selected for Italian Metro Tunnel Nov 2010

AP Sensing, together with our local partner, have been selected to equip a newly-built metro tunnel with the N4387A Linear Heat Series. Besides providing fire alarm capabilities, the Linear Heat solution monitors the ventilation system and can activate the vents between stations to extract smoke from the tunnels and draw it away from the stations. All alarms and temperature values are also exported to a central SCADA platform to monitor potential fires, their sizes and the direction they are spreading in the tunnel.

Jagdberg Tunnel Germany July 2015

The 3.1 km Jagdberg tunnel moves traffic from a hilly, winding stretch of road into the twin tunnels (3 lanes each) near Jena, in eastern Germany. AP Sensing’s Distributed Temperature Sensing (DTS) solution was selected for fire detection. The new twin tunnels were opened in late 2014 and represent Germany’s fourth-longest traffic tunnel. In all cases the detection times specified were met or exceeded by the AP Sensing DTS.

Industrial Alcohol Tanks Fire Detection France Updated Case

Highly flammable substances, such as Industrial Alcohol, require ATEX approved fire detection solutions. Active electronics, if not protected by specialized enclosures, are banned from ATEX Zone 0 areas in order to prevent the ignition of flammable vapors. The solution? Fiber Optic Linear Heat Detection that has very low power designs and passive sensor cables.

Hong Kong Airport and Civil Aviation Updated Case

To address the future growth of the air traffic industry in Hong Kong, the Civil Aviation Department (CAD) constructed a new headquarters. The five individual buildings will cover approximately 65,000 square meters of space and are designed to accommodate the CAD functional divisions, the Air Traffic Control Centre (ATCC), and the antenna farm.

India's Longest Rail Tunnel Protected Jan 2015

The Pir Panjal railway tunnel is India's longest (and Asia's third-longest), at 11.2 km. It runs through the rugged and remote Himalayan mountain range in northern India. When your tunnel infrastructure is this long and located in a remote mountain range high in the Himalayas, you need a Distributed Temperature Sensing (DTS) solution that you can depend on.

Historical Palaces Fire Detection Korea Updated Case

Namdaemun, which is officially known as Sungyemun (meaning “Gate of Exalted Ceremonies”), is one of the Eight Gates of the fortress wall of Seoul, South Korea, which dates back to the 14th century. Following a devastating fire in 2008, it was decided to install AP Sensing’s Linear Heat Series solution to protect this national treasure.

Helsinki Metro Rail and Airport Updated Case

Four metro stations and their connecting tunnels within the 42-acre Vantaa airport region in Helsinki wanted a Distributed Temperature Sensing (DTS) solution to monitor their infrastructure for fire detection. AP Sensing's Linear Heat Series, including the SmartVision asset visualization and alarm management system, were selected.

Glass Production Plant Heat Detection Germany May 2012

In a modern glass production factory, AP Sensing’s Linear Heat Series was selected to monitor and protect the valuable assets in a family-run, 400-year-old maker of glass products and exclusive flacons for the perfume industry.

Fuel Tank Tension Ring Monitoring Fujaireh Updated Case

AP Sensing was selected to provide tension ring and tank wall monitoring for maximum asset protection by GPS Chemoil. GPS Chemoil is a leading oil storage company.

Fire Tests in the Einhorn Tunnel Germany June 2014

Major fire detection tests were carried out in the Einhorn Tunnel in Germany. Participants included the fire department and officials from the road construction and tunnel operator teams. Eleven controlled fire tests were designed to stringently test the tunnel itself, AP Sensing’s Linear Heat Detection system, and the smoke extraction system. The fiber-optic based Linear Heat Series from AP Sensing played a decisive role in all of the tests. In every test the detection time was lower than the Guideline requirements.

Floating Roof Tank Fire Detection Riyadh May 2012

AP Sensing provided the Riyadh Power Company with a floating roof tank fire detection solution. The Riyadh Power Company in Saudi Arabia has 5 floating-roof oil tanks for which they wanted a state-of-the-art fire monitoring and fire detection system. Each tank is 30 m high and has a diameter of 30 m. Working together with the local partner Tyco, AP Sensing was selected for their Linear Heat Series solution.

Coal Stock Heat Detection Spain Updated Case

One of the most innovative bulk handling facilities has been undertaken in Spain. “La Medusa”, a coal storage facility that was built at Puerto A Coruna. Operated by Union Fenosa, not only does this enclosed coal handling facility achieve zero dust emission, but the structure itself is architecturally pleasing. Due to its impressive design, the plant is called “la Medusa” which means “the jellyfish”.

Below Ballast Scan (BBS) in action - A Case Study Compilation

The BBS solution analyses vast amounts of DAS data to generate a 2D shear wave velocity profile under the track, indicating the condition and properties of the subsurface. Shear waves propagate faster through harder material and slower through weak layers, such as cavities or sinkholes; thusly, abnormal shear wave behaviour is a direct indicator of danger zones, that shall be evaluated.

Deutsche Bahn Rail Monitoring

Cable theft costs millions of dollars every year for rail network operators across the globe. Therefore, Deutsche Bahn partnered with AP Sensing to utilize our smart, innovative solution as an investment into the advancement of its railway infrastructure. For this specific trial, one N52-Series Distributed Acoustic Sensing (DAS) unit was set up to monitor a 36 km track.

Monitoring Riyadh Metro

The Riyadh Development Authority (RDA) in the Kingdom of Saudi Arabia recently executed a large metro project with 85 stations and 6 lines covering approximately 177 km. AP Sensing is monitoring this prestigious project with our fiber optic Linear Heat Detection (LHD) solution.

Press Release Fiber Optic Sensing Association NOV 2017

The Fiber Optic Sensing Association (FOSA) today released details on more than 1,300 installations of distributed fiber optic sensing (DFOS) around the world, the largest representative sample ever published. AP Sensing is proud of our global contributions for pipeline leak detection, high voltage power cable monitoring and fire detection.

Connecting Continents Eurasia Tunnel Turkey JULY 2017

The Eurasia Tunnel connects the European section of Istanbul with the Asian section in Kosuyolu. The 5 km tunnel is an engineering marvel, with its double-deck construction that crosses the Bosphorus Strait under the sea, reaching a maximum depth of 106 m.

Enhancing Fire Detection Response in Complex Industrial Facilities Dec 2016

Oil and gas refineries are large industrial facilities, representing significant investments. These facilities operate on a 24/7 basis with managed maintenance downtime. It is a priority to eliminate accidents at all stages at the refinery throughout its lifecycle. Click on the title or picture to download the entire paper.

Fire Detection in a Battery Warehouse China August 2016

In their new battery warehouse, Amperex Technology has the capacity to store some 7000 batteries and packs. To mitigate the risk of overheating or of a fire, which could have devastating consequences, Amperex selected four AP Sensing Linear Heat Series 1km devices, each with 4 channels, to monitor and protect the warehouse.

Fire Protection in the Rotterdam Metro Nov 2013

To improve the fire detection safety in Metro stations in Rotterdam, three different stations were fitted with AP Sensing’s Linear Heat Series. One fiber-optic Linear Heat Detection system (LHD) with one channel was used in each station. The Distributed Temperature Sensing (DTS) system provides real time temperature measurements along the length of the passive optical sensor cable. Should the temperature exceed the limit in any of the pre-defined zones, an alarm is triggered and personnel in the control room are alerted.

Eurotunnel Chooses AP Sensing for Fire Monitoring Nov 2010

A new safety standard has been achieved in rail tunnels. Eurotunnel – the operator of the channel tunnel – decided to significantly improve passenger safety by creating fire fighting stations equipped with fixed, fire suppression systems (SAFE stations). Eurotunnel chose AP Sensing’s Linear Heat Series as the fire monitoring system to activate and control the suppression system.

Conveyor Belt Heat Detection in Coal Fired Power Plant Italy Mar 2010

Fire detection along coal transporting conveyor belts is challenging. The environment is extremely harsh, with dust and mechanical vibrations and the plant’s conveyor infrastructure is several kilometers long. A fire would cause downtime for the entire plant, which would be extremely costly to the operating company.

Coal Conveyor Belt Monitoring Germany June 2011

AP Sensing’s Linear Heat Series solution was chosen to provide quick and reliable fire detection along a coal conveyor belt at a coking plant in Germany. The entire conveyor system consists of two sections, perpendicularly connected, with a total length of approximately 400 meters.

Eurotunnel Chooses AP Sensing for Fire Monitoring (Spanish) Nov 2010

Un nuevo estándar de seguridad se ha alcanzado en los túneles ferroviarios. Eurotunnel (el operador del túnel del canal) decidió mejorar significativamente la seguridad de los pasajeros mediante la creación de estaciones de bomberos, equipadas con sistemas fijos de extinción de incendios (estaciones SAFE). Eurotunnel eligió Linear Heat Series (Serie de Calor Lineal) de AP Sensing como el sistema de vigilancia para activar y controlar el sistema de supresión de incendios.

OUR SERVICES FOR YOU

Global support with regional expertise

Concept & Design

Take advantage of our experience and engineering expertise. We support you in designing your project to meet your FEED or feasibility study. Our engineers know which project requirements to meet and let you avoid costly changes during installation and commissioning.

Project Engineering

Together with our local integration partners we provide project engineering services, from feasibility studies and conceptual proposals to project-specific developments and customized solutions. We combine the strength, technology and quality leadership you expect from a global leader with the flexibility and application expertise of our local partners. Our multilingual engineering team has years of project management experience that will make your project a success.

Training

We offer a broad range of trainings to help you understand distributed optical sensing technology (DTS, DAS, DVS) and get a comprehensive system overview. This includes many practical tips for the installation and commissioning. Training can be via the web, at your site, or in our offices in southern Germany. Contact us or call us at +49 7031 309 6699 to discuss a training plan.

Technical Support

Our support does not end after the commissioning -- it goes far beyond. We offer onsite service, hotline support and maintenance. Our international field support team is built with multi-disciplined, skilled engineers who deliver on our commitments. Contact us or call us at +49 7031 309 6699 to get fast support from our qualified, multilingual Project Engineering and Support team.

GET THE LATEST NEWS FROM AP SENSING

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Six Month Update on AP Sensing's Support for CARE…

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Detailed S-wave velocity structure of sediment and…

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Detecting Leaks With Fiber Optic Sensing

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AP Sensing performs successfully in Tunnel Fire…

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AP Sensing Monitors Underground Gas Storage in China

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A Q&A with the AP Sensing Marketing Intern

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400kV Power Cable Circuit Monitoring in Bahrain

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AP Sensing Monitors Important Power Cable Link in…

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The digital twin acquires a new neural system

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AP Sensing 2021 Christmas Donation Supports Refugees…

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AP Sensing Delivers Monitoring Solution to French…

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LAUNCH OF AP SENSING FIRE APPLICATION VIDEO

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AP Sensing Monitors Prestigious Saudi Arabian Tunnel

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Fire Friday #8: Redundancy

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Fire Friday #7: Quality & Reliability

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Fire Friday #6: Harsh Environments

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Fire Friday #5: Certifications

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Fire Friday #4: Radiant Heat

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Fire Friday #3: Channels

Why is a reduced number of channels better for your LHD configuration?

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Deutsche Bahn Cable Duct Fire Tests

AP Sensing Conducts Successful Tests Alongside the DB Network

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Fire Friday #2: Spatial Resolution

Is a smaller spatial resolution always better?

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AP Sensing Monitors Saudi Arabian Phosphate Conveyor

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Fire Friday #1: Linear Heat Detection Response Time

Is it wrong to equate measurement time with response time?

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AP Sensing’s New 5th Generation Distributed Acoustic…

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Austrian Rail Operator Runs Successful Pilot Project…

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Power Cable Fault Detection & Location Analysis

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Deutsche Bahn Cable Theft Monitoring

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AP Sensing Presents a FOSA Webinar!

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Al Rayyan Cable Tunnel Protection

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AP Sensing Technology Deployment at World’s First…

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Critical Infrastructure & Security Month

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Fibre Optic Technology: Beyond Traditional Linear…

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Safeguarding a 27 km Natural Gas Pipeline

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Salt Conveyor Belt Monitoring in Germany

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Power Cable Tray Protection in Saudi Arabia

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Industrial Power Cable Monitoring Pakistan

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Wet Oil Pipeline Monitoring Utilizing Advanced…

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Power Cable Monitoring Using Acoustic Sensing

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Delhi Metro Linear Heat Detection

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Conveyor & Reclaim Tunnel Fire Detection

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The New DTS N45-Series!

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White Paper: Fire Detection in Complex Facilities

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Linear Heat Series Seminar in Taiwan

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Fire Detection in a Battery Warehouse, Fujian, China

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Keeping it Cool in the Saadiyat Island Tunnel

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Feel the Power: Olympic City Park in Rio

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220 KV Circuit with Temperature Map View

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The new SmartVision™ for Fire Detection

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Phenol Pipeline Thermal Monitoring

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AP Sensing Fire Detection in Germany and Finland

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11/01/2007

Agilent & AP Sensing

Digitization is the driver for quality, capacity and efficient railway operation for DB Netz AG. Fiber Optic Sensing is an outstanding technology that enables the improval of infrastructure capabilities at lightspeed compared to other solutions using existing cable infrastructure. AP Sensing is taking FOS-based railway monitoring to the next level with their true phase-based system and the extensive use of AI. We’re happy to work in collaboration with AP Sensing’s responsive and innovative team, helping us to get projects moving and getting FOS integrated in the daily railway operation.

Max Schubert

DB Netz AG

AP Sensing's support team has been a fantastic resource for us over the years. They have helped us with system development and implementation planning, and they are always quick to respond to our technical queries with competent advice and helpful tips.

Geoff Harris

Ausgrid

When I think of AP Sensing the first thing I think of is reliability. We completely trust and rely on their performance specifications and I know that their technical support team is dedicated and passionate about solving any problems that might come up.

Paul Sanders

Petrospec Engineering

Knowing the technology and market, it is evident to me that AP Sensing is the forerunner in distributed optical sensing. Their solutions reflect a combination of experience and creativity. Experience comes from their HP/Agilent heritage, the leader in test and measurement equipment, with decades of experience in developing and manufacturing extremely reliable and high quality products. The creativity comes from their passion and commitment to solving real customer problems.

David Orr

Protex Systems

When you do business with AP Sensing you get the feeling that you are working together as partners, because they listen to you and understand the challenges of your day-to-day operations. Communication with AP Sensing is always professional and it's obvious that they have the experience and the technical know-how to answer our queries.

Marcin Cichy

Honeywell

AP Sensing's DTS is simply the best fit. We apply it together with ConveySafe in our coal power plants to protect our conveyors. The systems are rugged and completely reliable, need very little power, and can be seamlessly integrated into customer SCADA environments. Best of all, you don't just buy a box from them and that's it -- their post-sales support is outstanding.

Harald Grzybeck

STEAG

The SIL-2 (Safety Integrity Level) rating that AP Sensing has achieved on its DTS gives us the confidence that their solution is going to work as planned, day in and day out, in high-risk environments. Our LNG terminal operators sleep better at night knowing that our assets are protected and security standards are met.

Dr. Stephan Grosswig

GESO

My AP Sensing regional customer support is fantastic: competent, thorough and quick to get back to me. They have been a key player in our complex pipeline projects over the years, and they truly offer through-life product support, from installation and commissioning to training.

Dustin Bow

PENTAIR

AP SENSING OFFERS COMPLEMENTARY SENSING TECHNOLOGIES

for various markets and specific requirements

LHD

A Linear Heat Detection (LHD) system uses a fiber optic sensor cable to measure the temperature at every point along the entire cable, detecting changes in temperature and hotspots along an entire asset. This technology detects hotspots and fires, alarming quickly and providing precise information on fire location, size and spread.
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DTS

DTS (Distributed Temperature Sensing) measures the temperature along an optical fiber, every meter, over many kilometers. This results in an accurate and continuous temperature profile along the sensor cable (1000 temperature points per kilometer).
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DAS and DVS

DAS (Distributed Acoustic Sensing) and DVS (Distributed Vibration Sensing) systems detect vibrations and capture acoustic energy along the optical fiber. The fiber functions as if there were thousands of microphones installed. Classification algorithms are used to detect and locate, for example, intrusion activities.
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SmartVision

SmartVision is a powerful visualization platform, developed by AP Sensing specifically for distributed sensing technology. With its high-performance database and strong graphical capabilities it is the ideal tool to visualize and analyze events and alarms within large infrastructures.
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SmartAlarm

SmartAlarm is a powerful and proven set of simple and advanced alarm algorithms, which are crucial to enable a high probability of detection and low false alarm rates. This enables early fire detection, detection of small leaks, and TPI (third party interference) localization and classification.
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Real Time Thermal Rating (RTTR)

A Real Time Thermal Rating (RTTR or DCR, Dynamic Cable Rating) calculates the conductor temperature of the HV cable and predicts the maximum permissible load under consideration of actual thermal conditions and soil heat capacity.
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Sensor Cables

We offer a broad range of standard cables and custom cables for high temperature and cryogenic applications. Utilizing multimode, singlemode, acrylate, polyamide, pure silica and metal coated fibers. Our experts are here to support and advise you.
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AP Sensing Videos

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