
Hanvy - Fiber Bragg Grating Temperature / Strain Sensing System
Fiber Bragg Grating temperature / strain sensing system uses Fiber Bragg Grating as a sensitive element. Using the relationship between the center wavelength of Fiber Bragg Grating and temperature / strain, modulation and demodulation is performed using wavelength coding, which can realize physical properties such as temperature, strain, humidity, pressure, displacement, etc.
High-precision measurement of parameters is particularly suitable for long-term real-time online monitoring under special environments such as large-scale strong electromagnetic fields.It can detect up to 62 miles. Scope of application: petroleum pipelines, oil and gas pipelines, buildings, petroleum storage tanks, subway tunnels, coal belt conveyors, smart pipe corridors, warehouses, bridges, power cables, natural gas stations, borders, PCCP pipelines, high-speed rail tunnels, ancient buildings, geological surveys , Highways, oil production stations, geothermal exploration, thermal energy storage tanks, oil wells, etc.
- Monitoring of ancient buildings, monitoring of geological hazards, monitoring of temperature and humidity in warehouses
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Multi-point distribution measurement, large number of measurement points, and simple transmission cable
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Multiple measurement, small volume and weight shared by each measurement point
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Anti-electromagnetic interference, remote measurement
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Good long-term stability, suitable for long-term monitoring
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Easy to implant into composite materials
Measuring principle: The relationship between the center wavelength of the fiber grating reflection spectrum and the temperature strain is used to achieve the measurement.
- Temperature measurement accuracy ±(1℃+0.01|Measurements|)
- Temperature resolution 0.2℃
- Strain measurement range -2500με~+2500με or 0~5000με
- Strain measurement repeatability ±(10με+0.01|Measurements|)
- Strain resolution 2με
- Number of channels 1、2、4、8、16 channel(customizable)
- Measurement bandwidth 1Hz to 100Hz(Related to the number of channels)
- Miniature demodulator power consumption Steady temperature ≤12W,High and low temperature ≤17W
- Small size demodulator 150mm×150mm×160mm(customizable)