Table 6: Relative errors in calibration coefficients.

Pressurex1x2x1−x2
(MPa)(%)(%)(%)

14.51.621.93−0.31
20.31.981.370.61
24.33.570.782.79
31.20.772.06−1.29
35.20.361.84−1.48
39.7−0.090.86−0.95
45.20.091.05−0.96
49.90.71.01−0.31
54.51.57−0.351.92
59.80.4−0.611.01
64.80.68−0.571.25
70.40.67−0.190.86
75−0.63−1.240.61
810.55−0.080.63
85.9−1.32−1.02−0.3
95.2−2.83−1.64−1.19
115.1−2.18−1.34−0.84
120.5−2.54−0.97−1.57