Fig. 12. (a) Difference
C(
) between simulated capacitances Cmodel with FEP(
) with the FEP coating on the access tube and Cmodel without FEP(
) without the FEP coating taken from Fig. 11a. (b) Difference
N(
) between corresponding sensor readings Nmodel with FEP(
) and Nmodel without FEP(
) taken from Fig. 11b.