iStir 50L/iStir 200L High Capacity Magnetic Stirrer with Microprocessor & Brushless Motor Brushless DC motor for quiet operation and maintenance free long operation. Microprocessor controlled unit with digital display. Adjustable speed ranging from 100-1000 RPM (50L) & 100-600 RPM (200L) with increment of 1 RPM and accuracy of+/-10 RPM. Long timer setting from 1 to 99 hours and 59 minutes & infinite mode. Choice of acceleration rates from A1 to A9. Programmable Pulse with direction change feature - Pulse timing can be set from 30 secs to 300 secs. Stainless steel (SS) set up plate for corrosion protection. Power Mode feature in case of power failure the equipment starts operating automatically for remaining left time on resumption. Power Overload safety feature. Optional feature of adjusting the height of the product. Available with support frame for holding vessel. Microprocessor Controlled Digital Display for Speed and Time Pulse Mode h OEM request can be entertained. Specifications can be changed without notice for quality improvement.