Heavy-duty Vortex Mixer designed for repeated mixing of several samples at once. With analogue setting of speed and time. Orbit: 4.9mm. Operates under “touch” mode when cup head or holder is depressed with range 300 to 3500rpm, or “On” mode for continuous operation from 300 to 2500rpm. Maximum load 1.1kg. Supplied with cup head for single vessel mixing and universal holder with cover and foam insert for 38 x 1.5/2ml microtubes which is interchangeable with accessory inserts for other tube sizes. Overall W x D x H 168 x 241 x 160mm. Weight 6.8kg. For 230V 50/60Hz single phase supplies.