Construction

Fiberglass symmetrically embedded in modified acrylic resin, with a Bragg grating; potted in plastic material

Outside diameter of glass fiber

mm

185

Core diameter of glass fiber, approx.

mm

5

Diameter with buffer, approx.

mm

1.5

Dimensions

mm

42.7±1

Length

Width

mm

46.8±1

Thickness

mm

2.0±0.5

Connector (plug)

FC/ACP

Available Bragg wavelengths

nm

Rosette 1: 1520, 1525, 1530

Rosette 2: 1535, 1540, 1545

Rosette 3: 1550, 1555, 1560

Rosette 4: 1565, 1570, 1575

Bragg wavelength tolerance

nm

±1

Gage factor

Approx. 0.78 (stated on the packaging)

Gage factor tolerance

%

±2

Maximum output reflectivity

%

15

Reference temperature

°C

23

Operating temperature range

°C

-10 ¼ +80

Storage temperature range

°C

-20 ¼ +100

Temperature response

mm/m/K

7.0

(thermal expansion coefficient of measurement object 0 mm/m/K)

Temperature response as function of wavelength variation Dl/l0 per K

ppm/K

5.5

Tolerance of temperature response

mm/m/K

±1

Maximum strain

mm/m

10.000 (1%)

at reference temperature when using

Z70 adhesive

Strain in positive direction

Strain in negative direction

mm/m

10.000 (1%)

Fatigue life

at reference temperature when using

Z70 adhesive

Achieved no. of load cycles Lw at

Alternating strain ew = ±1000 mm/m and variation of zero point emD £ 30 mm/m

Alternating strain ew = ±3000 mm/m and variation of zero point emD £ 60 mm/m

Fatigue life

at reference temperature when using

X280 adhesive

Achieved no. of load cycles Lw at

Alternating strain ew = ±5000 mm/m and variation of zero point emD £ 100 mm/m

>>107 (aborted after 107 load cycles)

>>107 (aborted after 107 load cycles)

>>107 (aborted after 107 load cycles)

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

mm

25

Bonding material to be used

cold‐curing adhesives

Z70, X60, X280