Microprocessor controlled orbital shaker. Smooth horizontal orbital motion for mixing in bottles, flasks and beakers at speeds of 50 to 300 rpm in a 10mm orbit. Soft start and noise free operation. Timer, with auto-switch off, controls from 1 min. to 96 hours. Dimensions: 10.5 x 10 x 3.25H. Platform not included; see interchangeable platforms below.