The Beckman Coulter Z2 Particle Counter and Size Analyzer with Control Module
is mercury free and uses the electrical sensing zone method for counting cells or particles in the 1-120 micron size range. This technique provides accuracy, speed, versatility, and excellent precision; it is the accepted reference method for cell counting. Standard apertures are available in five sizes. Additionally, for evey small sample volumes, ampoule insertable apertures may be used. The Beckman coulter Z2 particle counter and size Analyzer features absolute cell counts or concentration, one-Button Calibration, operator selectable size settings.