In the paper entitled “Double Split-Ring Resonator for Dielectric Constant Measurement of Solids and Liquids (Journal of Electromagnetic Engineering and Science, vol. 22, no. 2, pp. 122–128, 2022)”, errors were identified in Eq. (4) and the corresponding value. Below is the corrected version of Eq. (4):
where ɛr_liquid is the dielectric constant of the LUTs. The r2 of Eq. (4) is 0.9856, which indicates that the modeling equation has good agreement with the given data.