Description Multifunction vortex mixer 300-3000 rpm model 681/22. It allows a fast and effective mixture of substances thanks to its orbital vibrating motion. Features: Low and robust design. Legs with suction cup to warrant full adhesion. Backlit LCD display to monitor working parameters. Adjustable speed up to 3000 rpm (depending on the accessory used). Operation time can be set in seconds, minutes or hours. Continuous or touch operation mode. Technical data: Speed range: 300-3000 rpm (depending on accessory). Shaking motion: orbital (4.5 mm Ø). Shaking weight: maximum, 0.5 kg (with accessory). Timer. Seconds mode: 1 - 59 seconds. Minutes mode: 1 - 59:59 minutes. Hours mode: 1 - 24 hours. Continuous mode: continuous mode. LCD display. Operation room temperature: 5 - 40ºC. Operation room humidity: 80% RH. Operation altitude: maximum, 2000 meters. Protection degree IP21 (according to DIN EN 60529). Power supply: AC/DC adaptor 100-240V / 24V; 50-60 Hz. Dimensions: 21 x 15 x 6.5 cm. Weight: 2.5 kg. Accessories included: Type Vessels Continuous mode Touch mode Speed range (rpm) Standard Test tubes and small vessels. Diameter: up to 50 mm. Yes Yes 300-3000 Circular For the different foam accessories. No Yes 300-1300 For microplates For a microplate. No Yes 300-1300 Microdisk To insert in the circular accessory. No Yes 300-1300 For test tubes (1) It can be pierced depending on your needs. No Yes 300-1300 For test tubes (2) For 14 tubes ∅ 10 mm. No Yes 300-1300 For test tubes (3) For 6 tubes ∅ 12 mm. No Yes 300-1300 For test tubes (4) For 4 tubes ∅ 16 mm. No Yes 300-1300