Patent ID: 7929663
Filing Date: 2011-04-19
Classification: G01F

Abstract:
1. A system for monitoring a plurality of substances in a mixture, having at least one fluid layer, along an axis of flow within a first tube, the system comprising: a. a first X-ray source positioned radially outward from said first tube; b. a second X-ray source positioned radially outward from said first tube; c. an annular sensor array positioned between said first tube and said first and second X-ray sources wherein said annular sensor array comprises a plurality of sensors arranged in at least one ring, and d. a controller for activating a first X-ray source when said second X-ray source is off and activating said second X-ray source when said first X-ray source is off, wherein said X-ray sources operate at a tube voltage in a range of 100 kVp to 150 kVp.