[Free Download of Brochure] This brochure is filled with hints to solve the problems of conventional sensing!
A light sensing system is a system that utilizes light for sensing. Plant engineering refers to all engineering related to factories. (1) Process management: quality control, energy management, work safety management, material management (materials, work-in-progress, products, waste) (2) Equipment and building management: maintenance, health monitoring (3) Safety management: disaster prevention management (fire, earthquake, weather, ground deformation, building deterioration), intrusion detection, waste management (4) Information management: various data management 【Examples of optical fiber sensing applications】 OTDR → embankment deformation, concrete cracks, security nets ROTDR → various reaction furnaces, boilers, air conditioning, boreholes, fire prevention, liquid temperature BOTDR → equipment, ground deformation, embankment deformation, concrete deformation, tunnel deformation FBG → vibration, building structures, equipment temperature, temperature correction for strain measurement ● For more details, please contact us or download the catalog.
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basic information
<<Problems with Conventional Sensing>> (1) Attempting to measure distributed changes through point measurements incurs enormous costs (the communication lines become extensive). (2) Essentially, electrical sensors (thermocouples, resistance strain gauges) lack lightning resistance and are affected by electromagnetic noise. (3) Sensor lifespan is short, requiring replacement and maintenance, leading to high costs (and may not be applicable depending on the structure or installation location). (4) When used in flammable atmospheres, special explosion-proof protective structures are required. In laboratory settings, some level of distributed change measurement is conducted, but in actual structures, one has no choice but to compromise with representative point measurements. ↓ (The engineers themselves inadvertently compromise on technology and cost.)
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Nippon Steel & Sumitomo Metal Corporation Welding Industry Division began developing metal tube optical fibers by applying welding material manufacturing technology in 1984, with the concept of "optical fibers that can be handled like electric wires," inserting optical fibers into thin, unseamless metal tubes. In 1988, they started selling the product under the name "PICOLOOP." Since then, they have responded to customer needs by releasing products such as "PicoFlex," which can be flexibly bent, and the portable "PicoDrum." Furthermore, recently, they have utilized the characteristic of optical fibers themselves acting as sensors, contributing to the construction, management, and maintenance of social infrastructure, as well as disaster prevention and security, thereby enhancing safety, security, and comfort in society.