Pellet Size & Shape Distribution Measurement (PSSD)

Pellet Size & Shape Distribution Measurement (PSSD)

With the OCS Pellet Size and Shape Distribution System (PSSD), all types of pellets can be analysed in free fall using a line scan camera. The system classifies pellets (over- and undersize, abrasion, agglomerates, etc.) according to their morphological properties. Further special features of the PSSD are the monitoring of the pelleting system (degree of abrasion of the cutters), the determination of the pellet weight (with optional weighing system), and the data transfer of the real-time results to the production and process control.

Testable Raw Materials

  • Standard pellets (e.g., polyethylene, polypropylene, PVC)
  • Recycled pellets (e.g., rPET, recycled HDPE, recycled PP)
  • Transparent pellets (e.g., polycarbonate, PET, PMMA)
  • Colored pellets (e.g., masterbatch pellets in various shades)
  • Specialty pellets (e.g., biodegradable or high-performance polymers)

Features

  • High-speed CMOS line scan camera (monochrome)
  • Smallest detectable contamination size: 71 µm
  • Throughput rate of up to 18 kg/h depending on pellet properties
  • Visualisation of the real-time results

Compatible with

  • OCS Pellet Scanner (PS25C)

Technical Specifications

Camera CMOS colour matrix camera
Resolution 71 μm
Lighting High-power LED with white light spectrum
Communication protocol MODBUS (RTU, TCP/IP), PROFIBUS, PROFINET, OPC (Server/Client), CSV file, customer-specific

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