The IKA VORTEX 1 is a test tube shaker that has been attractively designed, with touch function. Its speed can be adjusted from 1000 to 2800 rpm. It has been designed for mixing test samples that are small, like containers that are up to a diamater of 30 mm. It's small, compact and highly reliable, with an excellent mixing action. It comes with a light power pack of 20 V. The surface of test tubes and the upper casing are manufactured from inert plastic, with a casting that is coated with zinc in the bottom section.