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Distributed Fiber Optic Sensors

DFOS Graph

Distributed Fiber Optic Sensor: DFOS Graph
  • Distributed Fiber Optic Sensor: DFOS Graph
  • DFOS Graph components and core diameters.

DFOS Graph is designed for simultaneous measurements of temperature and structural strains. The sensor supports an excellent strain range of up to ±4% and a graphite additive improves thermal conductivity. Together with the monolithic cross-section and low elasticity modulus, it precisely reflects the actual deformation of the monitored structure over its entire length while also mapping its temperature.

DFOS Graph is lightweight and easy to install in any shape. It will not affect the behavior of the structure being monitored due to its small bending radius and low stiffness.

Specifications

Strain Resolution
1 µε
Strain Range
±4% (both in compression and tension)
Elastic Modulus
3 GPa
Core Material
PLFRP+G (polyester fibers + epoxide + graphite)
Operating Temperature¹
−20 °C to +80 °C
Sensor Diameter²
ø5 mm, ø3 mm, ø2 mm
Sensor Length³
up to 2 km

¹Extended temperature range available on request.

²Other diameters available on request.

³Sensors can be connected in series.

Please Note: GEOKON maintains an ongoing policy of design review and reserves the right to amend products and specifications without notice. Various instruments are discontinued over time and replaced with new, updated models.

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