Research Article
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 |
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