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https://www.atgrating.com/products/fbg-displacement-sensor.html

FBG Displacement Sensor DST-01 is used for long-term measurement of structural beams and large buildings or other concrete, steel structures, building settlements, displacements and landslides. The sensor is installed by pulling rope, which can accurately and quickly measure the beam settlement, the displacement and deformation of the tunnel structure and the contact surface of the building. At the same time, a temperature FBG is installed inside the sensor, which can perform automatic temperature compensation.

Features Of optical displacement transducer DST-01
High precision, high reliability, high stability
Built-in automatic temperature compensation
All-optical measurement, intrinsically safe
Long-term zero point stability
Easy to install

Application Of fiber optic displacement sensor DST-01
Measure the displacement of different depths in bridges, dams, tunnels and various underground works
Measurement of land subsidence deformation, slope slip deformation
Long-term displacement monitoring of steel structure base under force and deformation

Specification Of FBG Displacement Sensor DST-01
ParameterUnitValue
Center Wavelengthnm1460 ~ 1610
Rangemm10 ~ 150
Resolutionmm0.05% F.S.
Accuracymm0.5% F.S.
Temperature Compensation--Built-in
Material--Stainless steel
DimensionmmΦ22 x 234
Installation--Mechanical fixation
Pigtail LengthmΦ3mm armored cable, 1m at single end, or customize
Optical Connector--FC/APC, or customize
Operating Temperature°C-20 ~ +80
Buy fiber optic strain sensor from ATgrating.