Vortex laboratory shaker

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Fixed high speed mixing and variable speed models. • Five year warranty for parts and labor • All models include a cup head and three inch platform • Manufactured in the USA VWR® Fixed Speed Vortex Mixers start mixing when the cup head is depressed. Speed is a full 3200rpm to provide vigorous mixing of samples. VWR® Analog Vortex Mixers offer variable analog speed control with continuous or touch mode operation. Control allows low rpm start up for gentle shaking or high speed mixing for vigorous vortexing of samples. Two modes of operation; continuous mode when using optional accessory attachments or touch mode which activates mixing when depressing the cup head. VWR® Digital Vortex Mixers are ideal for applications that demand repeatable results. Microprocessor control maintains set speed for strong, consistent mixing action. Touch pad controls and independent LED displays for speed and time. Timer will display elapsed time or when programmed to a user defined time limit, the unit will shut off when time reaches zero.Two modes of operation; continuous mode when using the optional accessory attachments, or touch mode which activates mixing when depressing the cup head. VWR® Pulsing Vortex Mixers are ideal for glass bead cell disruption/homogenization and provide a powerful pulsing vortex action.Capable of complete cell disruption of samples in only minutes.Unique pulsing action mixes at maximum speed for 30 seconds and rests for ten seconds reducing heat generation while providing more effective mixing and disruption.