The PSU-20i shaker is a powerful and efficient microprocessor controlled multi-functional orbital shaker. Designed to provide multiple features required to mix samples: rotation, reciprocation and vibration. This multi-use shaker optimises mixing in flasks, beakers, Petri dishes and other laboratory vessels.rAll mixing functions (orbital motion, reciprocation and vibration) can be set for continuous or timed operation, or be linked together in different combinations to ensure optimum and accurately repeatable mixing conditions for your application.rVery easy to operate, with simple set-up of multi-segment programs via push buttons and the 2-line LCD status display of actual and set parameters. Microprocessor controls for making corrections without stopping the program.rPlatform not included, sold separately.