Hanna HI190M Magnetic Stirrer

• Laboratory mixing of chemical solutions and reagents.
• Titration processes requiring consistent agitation.
• Preparation of culture media in biotechnology.
• Dissolving solids into liquids in analytical chemistry.
• General small-volume liquid blending in research and development.

Typical Stirring Volume

For this class of equipment, units commonly handle volumes up to 1-2 litres, depending on viscosity.

Speed Range

Units of this type typically offer an adjustable speed range, often from 100 to 1000 RPM.

Footprint

Magnetic stirrers like the HI190M are designed to be compact, commonly around 120 x 120 mm.

Housing Material

The casing is typically constructed from durable, chemical-resistant ABS plastic.

Power Supply

Commonly available in 115V or 230V versions, with some models offering 12V DC.

Safety Features

Many units include features such as overspeed protection and fuse/grounding for user safety.

• What is a magnetic stirrer used for?

  A magnetic stirrer is used to mix liquids by creating a rotating magnetic field that causes a stir bar immersed in the liquid to spin. This provides efficient and consistent agitation without direct contact.

• What is the 'Speedsafe™' mechanism?

• Can this stirrer handle viscous liquids?

• Is a stir bar included with the unit?

• What maintenance is required for a magnetic stirrer?

Lab mixers and stirrers hold strong reputations for reliability and durability. Buyers typically prioritise motor condition, speed range suitability, and vessel compatibility when purchasing used units. The equipment category is valued for consistent performance across research and production settings. Key strengths include robust construction, straightforward maintenance, and long operational lifespans. Corrosion resistance of wetted parts merits careful inspection. These devices remain dependable workhorses in pharmaceutical, biotech, and laboratory environments, offering solid value when sourced from reputable sellers with clear service histories.

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