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A double pipe structure based on fiber Bragg grating sensor encapsulated form of the probe was proposed, Which was based on the form of packaged FBG temperature measurement at the same time shielding external influence.In contact with the head pressure meter double pipe structure layout FBG temperature probe, cable and optical splitter through the sensor is connected via fiber optic cable to the main control room of the fiber grating demodulation instrument, and through monitoring software information processing, in order to build a power meter crimping temperature monitoring system. Studies show that the system not only meets the strong electromagnetic environment temperature monitoring real-time and accuracy requirements, you can also shielded from external stress on the impact of temperature monitoring. Temperature monitoring software for real-time information processing temperature, the temperature can be achieved graphical display, the list display, over-temperature alarm display.