Designed for cell gentle mixing of cell suspensions and culture broths, designed for high performance as well as warming-free and uncompromising continuous operation, eg in CO2 incubators. Heating and maintenance-free magnetic stirrer with 4 stirring points, large surface, also suitable for viscous culture media. Maintenance-free 2mag stepper motor drive for extremely slow and 100% jerk-free and gentle mixing of cell cultures, extended speed range from 5 to 250 rpm, jerk-free and smooth stirring even at slow speeds, suitable for culture flasks with spinning propeller and spinning ball. Fully encapsulated and hermetically sealed stainless steel housing, IP68, water, dust and germ-proof, easy to clean, extremely robust construction and performance and maximum resistance, submersible in water baths, designed for the warming-free long-term operation in CO2 incubators, individual measurements on request. 3 years warranty on material and manufacturing, developed and made in Germany. Please controller bioMIXcontrol ordered separately! Stirring: Stirring point 4: 140 mm Stirring volume: 5-5, 000 ml Speed ??range: 5-250 rpm stirring power / point: 5 Watt Housing material: Stainless steel Dimensions (WxDxH): 270 x 270 x 38 mm Weight: 4.7 kg Perm. Operating conditions: -10 to +50 ° C (at 100% humidity) and +50 ° C submerged in water Perm. Lagerungsbed .: -40 ° C to +70 ° C, 10 - 95%, 500 - 1060 hPa Protection class: IP 68