These Ismatec® IPC and IPC-N digital peristaltic multichannel programmable pumps feature planetary gears that drive eight stainless steel rollers in unison for smooth rotation and accurate liquid flow. These pumps allow the use of up to 24 channels simultaneusly. The four-digit LED display shows flow rate or rpm when pump is running. Flowrates available range from 0.0004 to 44 ml/min depending on tubing size used and model used.