When built-in temperature control is not needed, Excella open-air shakers are the solution. Ruggedly-built for use on the bench, in an incubator, or in a warm- or cold-room, these shakers are available in three sizes. The Excella microprocessor controlled, heavy-duty counterbalanced drives provide years of continuous, quiet operation. Excella shakers are available with a large selection of accessories to accommodate a wide range of flasks, test tubes and general labware. Like most New Brunswick shakers, Excella platforms, clamps and accessories are interchangable. Microprocessor-controlled E5 accommodates flasks up to 6 L on an 18"?×?18" accessory platform. Features Heavy duty, counterbalanced drive with DC brushless motor and permanently lubricated bearings provide long life and is virtually maintenance-free Self-correcting microprocessor controller automatically compensates for changes in workload and voltage to maintain operator-programmed setpoints Includes an acceleration/deceleration circuit prevents sudden starts & stops