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Fiber Bragg Grating

Embedded FBG Strain Sensor

简要描述: The embedded fiber Bragg grating strain sensor is used for internal strain measurement in concrete, reinforced concrete, or plastic materials to observe long-term changes in internal stress within the structure, enabling condition analysis and achieving measurement objectives, warning, and structural health diagnosis. The sensor is small in size and easy to install. It can be connected in series or parallel, making it easy to form a quasi-distributed sensor network.

产品介绍

Embedded Fiber Bragg Grating Strain Sensor

The embedded fiber Bragg grating strain sensor is used for internal strain measurement in concrete, reinforced concrete, or plastic materials to observe long-term changes in internal stress within the structure, enabling condition analysis and achieving measurement objectives, warning, and structural health diagnosis. The sensor is small in size and easy to install. It can be connected in series or parallel, making it easy to form a quasi-distributed sensor network.

Product Features

  • Anti-electromagnetic interference, lightning strike protection, corrosion resistance

  • High measurement accuracy and reliability

  • Built-in temperature compensation

  • Easy to establish distributed sensor network

  • Easy to install, suitable for long-term monitoring

Application Areas

  • Health monitoring of civil engineering structures such as bridges, dams, tunnels, and buildings

  • Stress and strain monitoring of reinforced concrete

  • Transportation industry (railway, highway, aerospace)

  • Structural health monitoring of oil and gas pipelines and offshore oil platforms



Technical Specifications

ParameterValueUnit
Center Wavelength1460~1610nm
Measurement Range±1500με
Resolution0.05% F.S.με
Accuracy0.5% F.S.με
Temperature CompensationNone / Built-in
Encapsulation MaterialStainless Steel
DimensionsΦ23 × 110mm
Installation MethodDirect Embedment
Cable TypeΦ3 mm / Φ6 mm armored cable, dual-ended with 1 m fiber leads, or customizablem
ConnectorFC/APC, or customizable
Operating Temperature-20 ~ +80°C


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