The PIXACT Stock Monitoring System from Finnish company PIXACT Ltd is a modern optical online analysis system for optical detecting and classifying impurities in fiber suspensions. The measuring device uses a camera and the reflected light method to detect and analyze impurities ranging from 50 µm to 5 mm in size. The resolution of the system is 6.9 µm/px with an image area of 17 mm x 14 mm. Fiber suspensions with a stock concentration of up to 1.0 % can be continuously analyzed as bypass streams from various stages of the stock preparation process. Particle size and morphology are measured in a flow cell (DN 15 up to DN 200). With the help of image analysis algorithms, the impurities contained are statistically classified and recorded based on optical and geometric characteristics.

Measurable quality parameters

• Particle size and morphology of various visual impurities
• Single frame capture in RGB

Advantages and benefits

• Optical online measurement of particle size and morphology
• Real-time monitoring and classification of impurities in fiber suspensions
• Quantification and classification of new contaminants through customizable setup and further development of image recognition
• Wide range of applications in laboratories and for online measurements on a technical or industrial scale
• Inline or online integration into existing facilities using Tri-Clamp hose connections up to DN 200