ZX3 Advanced Vortex Mixer Vortex mixer with adjustable stirring speed, with touch or continuous mode. The best-seller! Universal Operation : - Variable speed operation, electronically controlled up to 3000 rpm - Automatic start in touch mode or continuous operation - Large choice of accessories to suit tubes, plates and flasks - Universal voltage / frequency model Reliable Performance : - Accessories fit by simple pressure - Optimum resistance to chemicals from technopolymer casing - Excellent stability with zinc alloy base - Large, anti-slip rubber feet for staying in required position - IP 42 protection against particles and liquids