The Hally's compact bench top orbital shaker built into a solid impact-resistant housing. The unit has been designed for reliable continuous operation and maintenance free use. It is able to operate under the changing temperature condition to be found in environmental cabinets, or Co2  incubators. the shaking table is designed for use as universal tray & is equipped with a grid of tapped holes into which clamps. The material does not leach onto the items in contact and may be restored to full tack, if it becomes dirty, by washing and drying. The shaking geometry has been designed to give reproducible vibration free shaking motion with minimum heat generation and silent operation. This arrangement requires few moving parts which guarantee a long life. The easy & stepless adjustment of shaking speed from 0 to 250rpm is digital bargraph.