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FBG Strain Sensor (Strain Patch)

FBG Strain Sensor (Strain Patch)

FBG strain sensor is a strain measurement sensor based on fiber Bragg grating. It can monitor the strain value of the measured object by measuring the spectral shifts of FBG.


Applications of FBG Strain Sensor

• Suitable for application scenarios where traditional resistance strain gauges used

• Suitable for application scenarios where traditional surface-mounted resistance strain gauges used

• Suitable for harsh environments with the requirements of high anti-electromagnetic interference and explosion-proof


Features of FBG Strain Sensor

• Gauge length the same as standard resistance strain gauges

• Passive and free from electromagnetic interference

• High networking with series or parallel connected

• Lifespan >107 cycles (±1500μɛ)

• High stability, no zero-point drift


Specification of FBG Strain Sensor

Strain

Unit

Specification

Gauge Length

mm

3

Strain Sensitivity

pm/uε

~1.3

Strain Range

±3000

Linearity

%

99.9

Temperature Range

-40~+85


Temperature

Unit

Specification

Temperature Sensitivity

pm/℃

~28

Temperature Range

-40~+85


Optics

Unit

Specification

Central Wavelength

nm

1510-1590

Reflectivity

%

≥10

SMSR

dB

≥15


Machinery

Unit

Specification

Dimension

L(mm)ÍW(mm) ÍT(mm)

~19Í7Í0.7

Connector Type

-

FC/SC/LC/MT

Pigtail Length

m

1.0

Fiber Bending Radius

mm

10

Pigtail Protection Type

-

Optical fiber ribbon +0.9mm tube

Reliability

-

Conform to GR-1221-Core


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