Cytomics FC 500 MPL with MXP software, Versions 2.0 & 2.1: Part #731419 KIT; FOC MXP 2.0 UPGRADE KIT; Part #731418 SWRE KIT; MXP 2.0 NEW USER; Part #772145 MXP 2.1 FOC Upgrade Kit; 771938 MXP 2.1 Software; Part #771952 FOC MXP 2.1 Upgrade Kit; Part #771953 New User MXP 2.1 Kit. The Cytomics FC 500 is a system for the qualitative and quantitative measurement of biological and physical properties of cells and other particles.