Multi-Tube Vortex Mixer for vortex mixing of up to 50 samples simultaneously (using accessory foam racks). With variable speed control from 500 to 2500rpm, 1 second to 60hours timer and 3.6mm orbit. Also features a “pulse” mode adjustable from 1 to 59 second duration. Maximum load: 4.5kg. Supplied with foam tube carrier for 50 x 12mm diameter tubes. Accessory carriers are available for other tube sizes. Overall W x D x H 384 x 241 x 406mm, weight 19.1kg. For 230V 50/60 Hz single phase supplies.