An extended throat venturi multiphase flow meter system, the system characterized by: a venturi convergence section (20, 120, 220, 620); an extended venturi throat section (30, 130, 230, 630) connected to the venturi convergence section and further comprising: an outer metallic housing (32, 132, 232, 332) a polymer tube (134, 234, 334) centrally located within the outer metallic housing, dual microwave resonance sensors (50a, 50b, 150a, 150b, 250a, 250b) that are mutually orthogonal and helical, and are configured within the outer metallic housing and positioned on the polymer tube such that measurements can be taken of multiphase flows within the polymer tube, and a venturi divergence section (40, 140, 240) connected to the extended venturi throat section; the extended throat venturi multiphase flow meter system further comprising a computer system configured to communicate with the dual microwave resonance sensors of the extended venturi throat section, J Z the computer system further comprising: a computer circuit board, a microprocessor configured on the computer circuit board, the microprocessor configured with input/output channels, memory configured to be in communication with the microprocessor, a data bus extending between the memory and the microprocessor, and a network interface configured to be in communication with the microprocessor, non-volatile memory configured to be in communication with the microprocessor, and a software program stored on the nonvolatile memory that enables the microprocessor to collect and process the sensor measurement data. a venturi convergence section (20, 120, 220, 620); an extended venturi throat section (30, 130, 230, 630) connected to the venturi convergence section and further comprising: an outer metallic housing (32, 132, 232, 332) a polymer tube (134, 234, 334) centrally located within the outer metallic housing, dual microwave resonance sensors (50a, 50b, 150a, 150b, 250a, 250b) that are mutually orthogonal and helical, and are configured within the outer metallic housing and positioned on the polymer tube such that measurements can be taken of multiphase flows within the polymer tube, and a venturi divergence section (40, 140, 240) connected to the extended venturi throat section; the extended throat venturi multiphase flow meter system further comprising a computer system configured to communicate with the dual microwave resonance sensors of the extended venturi throat section, J Z the computer system further comprising: a computer circuit board, a microprocessor configured on the computer circuit board, the microprocessor configured with input/output channels, memory configured to be in communication with the microprocessor, a data bus extending between the memory and the microprocessor, and a network interface configured to be in communication with the microprocessor, non-volatile memory configured to be in communication with the microprocessor, and a software program stored on the nonvolatile memory that enables the microprocessor to collect and process the sensor measurement data. an outer metallic housing (32, 132, 232, 332) a polymer tube (134, 234, 334) centrally located within the outer metallic housing, dual microwave resonance sensors (50a, 50b, 150a, 150b, 250a, 250b) that are mutually orthogonal and helical, and are configured within the outer metallic housing and positioned on the polymer tube such that measurements can be taken of multiphase flows within the polymer tube, and a venturi divergence section (40, 140, 240) connected to the extended venturi throat section; the extended throat venturi multiphase flow meter system further comprising a computer system configured to communicate with the dual microwave resonance sensors of the extended venturi throat section, J Z the computer system further comprising: a computer circuit board, a microprocessor configured on the computer circuit board, the microprocessor configured with input/output channels, memory configured to be in communication with the microprocessor, a data bus extending between the memory and the microprocessor, and a network interface configured to be in communication with the microprocessor, non-volatile memory configured to be in communication with the microprocessor, and a software program stored on the nonvolatile memory that enables the microprocessor to collect and process the sensor measurement data. a computer circuit board, a microprocessor configured on the computer circuit board, the microprocessor configured with input/output channels, memory configured to be in communication with the microprocessor, a data bus extending between the memory and the microprocessor, and a network interface configured to be in communication with the microprocessor, non-volatile memory configured to be in communication with the microprocessor, and a software program stored on the nonvolatile memory that enables the microprocessor to collect and process the sensor measurement data.