Design

Optimet-OMF glass fiber with Bragg grating symmetrically embedded in modified acrylic resin, potted in plastic material

Core diameter of glass fiber, approx.

μm

6

Diameter of fiber cladding, approx.

μm

125

Outer diameter of coating, approx.

μm

195

Diameter of cladding, approx.

mm

1.5

Dimensions

mm

40.0 ±0.5

Length

Width

mm

12.0 ±0.5

Height

mm

2.0 ±0.5

Connection (plug)

FC/APC

Available Bragg wavelengths

1520,1525,1530,1535,1540,1545,1550,1555,1560,

1565,1570,1575,1580

Bragg wavelength tolerance

nm

±1

Gauge factor

0.76

Gauge factor tolerance

%

±4

Maximum degree of reflection

%

15

Transverse sensitivity

%

0

Reference temperature

°C

23

Operating temperature range

°C

-40…+100

Storage temperature range

°C

-40…+100

Thermal cross sensitivity (TCS)

thermal contribution of the sensor to strain signal

μm/m/°C

6.7

Tolerance of thermal cross sensitivity (TCS)

μm/m/°C

±1

Maximum elongation at reference temperature when

μm/m

20,000 (2%)

using Z70 adhesive

Absolute strain value for positive direction

Absolute strain value for negative direction

μm/m

20,000 (2%)

Fatigue life at reference temperature when using Z70 adhesive

Achieved no. of load cycles LW on steel measuring body at

alternating strain eW = ±1000 µm/m and variation of zero point < 30 μm/m

>>107 (aborted after 107 load cycles)

Minimum radius of curvature, longitudinal and transverse, at reference temperature

25

Applicable bonding material

Cold curing adhesives

Z70, X60, X280