General features of both models: For gentle mixing (e.g. of cell suspensions) in intermittent mode. Reversing mode can be adjusted for better mixing of the medium. Microprocessor-controlled Preselectable stirring power (Low, Medium, High) for various stirring applications, e.g. “High” stirring power for viscous liquids Interval and reversing modes are available Four programmes can be selected: Manual mode For stirring without/with change of direction (reversing mode) and timer function (1 s to 99 h). Automatic mode For activating user-defined stirring profiles. Profile mode For programming and storing 4 user-defined stirring profiles. Each stirring profile can store 9 different ramps such as speed, stirring direction (clockwise or anticlockwise), ramp acceleration (from 5 to 300 rpm per s) and time (including stirring pause). Setup mode For programming manual mode. The programmable elements are as follows: Ramp acceleration from 5 to 300 rpm per s (i.e. the time required to reach the set speed), stirring power and the duration and pause functions of the automatic direction change (adjustable from 1 s to 59 min). Magnetic stirrers Genie ® MagStir Genie ® model