Fisons Whirlimixer Vortex Mixer

• Mixing small liquid volumes in laboratories for chemical and biological assays.
• Resuspending pellets in centrifuge tubes for molecular biology protocols.
• Vortexing samples for solubility tests and solution preparation.
• Emulsifying immiscible liquids in pharmaceutical and cosmetic research.
• Preparing samples for analytical techniques such as chromatography and spectroscopy.

Typical vessel compatibility

Units of this type commonly accept tubes up to 25mm in diameter.

Mixing action

Vortex action, providing rapid and efficient mixing.

Speed control

Variable speed control is typically offered for gentle to vigorous mixing.

Operation modes

Commonly features press-start (touch) operation and continuous run modes.

Power supply

For this class of equipment, a 230V, 50Hz single-phase electrical supply is typical for UK operation.

Footprint

Compact benchtop design, typically around 160mm x 160mm.

• What is the primary benefit of a vortex mixer over hand shaking?

  Vortex mixers provide a more consistent and repeatable mixing action, reducing variability between samples and eliminating potential contamination from manual stirring.

• Can this unit handle different tube sizes?

• Is variable speed control important for a vortex mixer?

• What maintenance is typically required for a vortex mixer?

• Can this equipment be used for continuous operation?

Shakers and incubation mixers are valued for reliable sample preparation and culture growth across biotech and pharmaceutical settings. When buying used models, buyers prioritise consistent temperature control, speed accuracy, and platform stability. Industry sentiment favours machines from established manufacturers with robust build quality. Key strengths include straightforward operation, minimal maintenance requirements, and long operational lifespans. Buyers typically assess motor condition, calibration history, and overall structural integrity before purchase. These instruments remain dependable workhorses in laboratory environments when properly maintained.

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