Stuart SA8 Vortex Mixer

• Mixing small liquid samples in test tubes, vials, and microplates within laboratory settings.
• Resuspending cells and biological samples in microbiology and cell culture.
• Vortexing reagents and buffers for chemical analysis and synthesis.
• Dissolving powders and solids into liquid solutions quickly and efficiently.

Typical mixing action

Orbital shaking with vortexing motion.

Speed range

Commonly variable, from low RPM for gentle mixing to high RPM for vigorous vortexing, typically up to 3000 rpm.

Operation mode

Continuous or touch-activated (press-to-mix) modes are commonly found on units of this type.

Power supply

Typically operates on standard UK mains voltage (230V, 50Hz).

Footprint

Compact benchtop design, suitable for laboratory workbenches.

Sample compatibility

Designed for various tube sizes, often with interchangeable or universal head attachments.

• What types of vessels can a vortex mixer accommodate?

  Vortex mixers are primarily designed for test tubes, centrifuge tubes, and small vials. Many units also offer accessories for microplates or larger flasks.

• Is a vortex mixer suitable for highly viscous liquids?

• What is the difference between continuous and touch-activated modes?

• How should a vortex mixer be maintained?

• Can this equipment be used in a cold room or incubator?

Lab mixers and stirrers are valued for reliable performance in research and production environments. Buyers typically prioritize robust construction, precise speed control, and compatibility with various vessel sizes. When purchasing used equipment, inspect motor condition, agitation consistency, and safety features carefully. These devices generally maintain good functionality across their lifespan if properly maintained. Common strengths include durability, straightforward operation, and cost savings versus new units. Thermal stability and contamination prevention remain important considerations for sensitive applications.

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