Stuart SRT9 Roller Mixer

• Used in laboratories for gentle, continuous mixing of blood samples, viscous liquids, and powdered materials.
• Suitable for microbiology applications requiring aeration and mixing of cell cultures.
• Utilised in chemical and pharmaceutical research for consistent sample homogenisation.
• Applied in quality control processes for uniform blending of reagents and solutions.

Typical capacity

This class of equipment typically accommodates 6 to 9 rollers, suitable for various tube and bottle sizes.

Power supply

Commonly operates on a standard 230V, 50Hz single-phase supply, typical for laboratory equipment in the UK.

Mixing action

Provides a gentle rolling and tilting action, ideal for preventing sedimentation and ensuring uniform mixing without foaming.

Speed range

Units of this type commonly offer a fixed or variable speed range, typically between 5 to 80 RPM.

Construction materials

Typically features a robust metal casing with durable plastic or rubber rollers, designed for laboratory environments.

Footprint

For this class of equipment, the footprint is generally compact, suitable for benchtop use in laboratories.

• What types of samples are suitable for a roller mixer?

  Roller mixers are best suited for mixing blood samples, viscous liquids, suspensions, and powdered materials in tubes, bottles, or other cylindrical containers. The gentle action prevents cell damage and foaming.

• Can this mixer be used for continuous operation?

• Is temperature control available with this type of mixer?

• What maintenance is required for a roller mixer?

• What is the difference between a roller mixer and a shaker?

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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