Measuring Water-Cut with Dielectric-Filled Ridged Waveguides

A microwave water-cut meter for production fluids applications was designed and a basic test performed. The meter uses a vector network analyzer to measure the reflection (S11) and transmission (S21) spectra of the material under test (MUT), such as production fluids, oil spills, rock cores or soil. The initial design concept consisted of a pair of waveguides whose ends face each other and are pla...