Kamis, 28 September 2017

MUST STRAIN SENSOR Fiber Bragg Grating (FBG)


The strain sensors are designed to be bonded or spot welded to structures and components (metallic, concrete, etc.). These sensors are fiber optic versions of the conventional resistance strain gages but
completely passive, offering inherent insensitivity to environmental induced drift. The polyimide strain sensor is the equivalent to the electrical strain gage and can be installed using the same supplies. The weldable strain gage is designed to be spot welded to metallic surfaces, offering a significant increase of productivity in the installation process. This sensor has an optional metallic protection for installation in severe environments. The composite strain gage is a light weight and rugged sensor for application in both steel and concrete structures, due to the ability to embed the optical fiber FBG in CFRP material. These sensors feature high accuracy and resolution, and immunity to electric sparks and EMI/RFI. They are compatible with most common FBG measurement units and suitable for remote sensing being possible to install them kilometers away from the measurement unit and connect a large number of sensors in a single optical fiber


  • High sensitivity
  • Self-referenced
  • Polyimide, stainless steel and composite housing
  • Long-term reliability
  • Large scale integration
  • Intrinsically safe design
  • Immunity to EMI/RFI
  • Compatible with most FBG measurement units


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