The Cole-Parmer V-200 vortex mixer provides rapid mixing of liquids in test tubes, small flasks etc. With a low-profile, robust, die-cast body and integral retort rod fixing. Speed is variable from 250 to 2500rpm, with touch start, or continuous operation modes and a flexible cup head which also accommodates interchangeable accessory attachments, comprising a microplate holder, a foam insert for use with beakers or flasks up to 500ml, a drilled foam block for 8 x 0.2ml, 8 x 0.5ml and 16 x 1.5ml microcentrifuge tubes and a plain foam block for the user to drill. Overall 135 x 215 x 78mm  W x D x H.  Weight 3.2kg.  For  90-240V 50/60Hz single phase supplies. Overall 135 x 215 x 78mm W x D x H. Weight 3.2kg. For 90-240V 50/60Hz single phase supplies.