In-line image analysis shares many of the features of laboratory analysis. The major difference is that the measurement takes place directly in the process. This poses some challenges. First, the process must have an appropriate window for imaging. Second, the window location must have a sufficient number of particles visible (for good statistics) and those particles must be replaced over time to accurately reflect the current state of the process. Finally, the instrument (camera and illumination) need to be optimized for this application. The last has been done.
Image analyzer at exit of mill for in-line monitoring.
If these conditions are met, then in-line analysis gives real time feedback that enables better process monitoring and control for higher yields.
Example images from on-line image analyzer.
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Direct Imaging Particle Analyzer
