The Malvern Zetasizer Nano Series ZEN3600 is a high-precision particle size analyzer designed for measuring submicron particles and zeta potential. It is equipped with advanced laser diffraction and dynamic light scattering technology, providing reliable and reproducible results for nanoparticle characterization. The system includes a laptop with Zetasizer Software version 7.11 for data acquisition and analysis. Manufactured in 2017, this unit is ideal for research and quality control in various scientific and industrial applications.