Development and Commissioning of High Temperature FBG Solid Pressure Sensors

Table 3

Data comparison before and after applying load at different temperature.

Temperature (°C)					Change after pressure (mm)		Relative error (%)
	No load	50 MPa	No load	50 MPa
100	5.40E-02	2.85E-03	−3.69E-02	0.1034	−5.11E-02	1.40E-01	0.065
140	8.17E-02	3.06E-02	−5.58E-02	8.45E-02	−5.11E-02	1.40E-01	0.081
180	1.09E-01	5.83E-02	−7.47E-02	6.55E-02	−5.07E-02	1.40E-01	0.641
220	1.37E-01	8.60E-02	−9.36E-02	4.66E-02	−5.10E-02	1.40E-01	0.258
260	1.65E-01	1.14E-01	−0.11249	2.77E-02	−5.13E-02	1.40E-01	−0.124
300	1.92E-01	1.41E-01	−0.13139	8.77E-03	−5.06E-02	1.40E-01	0.836
Room temperature	0	−5.12E-02	0	0.14031	−5.12E-02	1.40E-01	0.000