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!
AP SENSING SUCCESS STORIES
We have hundreds of satisfied customers worldwide!
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.
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.
Power Cable Fault Detection & Location Analysis May 2021
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.
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.
Deutsche Bahn Rail Monitoring May 2021
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.
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.
Downhole Oil and Gas Monitoring China Updated Case
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. It has a storage capacity of 440 billion m3 and an annual production of 4 billion m3. A solution was needed to assess reservoir performance and improve overall gas recovery results.
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).
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.
Brugg Cable Underground Power Cable February (German) 2021
AP Sensing wurde von der Brugg Kabel AG und SwissGrid ausgewählt, um ein neues Projekt am Gäbihübel in der Schweiz zu überwachen. SwissGrid ist für den Betrieb, die Wartung, die Erneuerung und den Ausbau des gesamten 6.700 km langen Hochspannungnetzes in der Schweiz verantwortlich.
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.
Brugg Cable Underground Power Cable February 2021
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.
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”.
Bus Bar Switchgear Monitoring Singapore Updated Case
Supplying clean drinking water in Singapore has been a challenge for over a century, making the process of water desalination important. AP Sensing was selected to monitor several switchgears in a water desalination plant. While traditional temperature monitoring methods are not compatible with high voltage and high-density switchgear, our fiber optic-based Linear Heat Detection (LHD) solution constantly monitors the temperature of all busbars within each low-voltage switchgear.
Monitoring Riyadh Metro January 2021
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Underground Power Cable Utilizing DAS March 2020
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.
Reservoir Water Pipeline Germany Feb 2019
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.
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.
Bus Duct Monitoring in Factory Oct 2018
An AP Sensing Linear Heat Detection solution was selected for Nanya Technology in Linkou, Taiwan, where it produces DRAM and recently built a new memory production line, adding 32 new bus ducts to the production lines. By utilizing our DTS, the entire length of the bus ducts is now continuously monitored, which is particularly important for preventing overheating of the joints between the bus ducts.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
DTS Technology Reduces LNG Plant Operating Costs Sept 2014
Fiber optic DTS (distributed temperature sensing) 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.
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.
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.
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.
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.
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.
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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.
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.
For me AP Sensing is the forerunner for distributed optical temperature sensing. You can see in their solutions a combination of experience and creativity -- an intuitive design that works just as you'd expect, yet they aren't afraid to think out of the box, or provide a customized solution. They carry on their HP/Agilent heritage and continue to develop and advance, while remaining true to their core values of quality and reliability.
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.
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.
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.
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.
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.
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.
AP SENSING OFFERS COMPLEMENTARY SENSING TECHNOLOGIES
for various markets and specific requirements
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).
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.
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.
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.
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.