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Fiber-optic sensing technology has matured and is ready for use in industrial applications. Fabry-Perot displacement sensor technology is the engine for such sensors. Low-power fiber-optic proc control instrumentation is an excellent choice for use in refineries, chemical plants, power plants, oil production facilities, and other hazardous environments. The sensors add no danger, even in hazardous areas that can contain explosive vapors. The fiber-optic sensors run with under 1 percent of the power level designated as safe according to safety standards. Instrumentation installation and maintenance costs are reduced because low-power fiber-optic sensing systems do not need explosion-proof conduit and containment. They can operate in very high and very low temperature environments and are immune to electromagnetic interference. Small, light fiber-optic sensors can measure temperature, pressure, differential pressure, vacuum, linear and rotary position, strain, vibration, and acceleration. Hardy cabling and multipoint connectors send optical signals from a rugged environment to nonhazardous locations where signal conditions can be installed safely and dependably. Fiber optic sensors are also not affected by lightning strikes and grounding problems.
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