VWR 620 Standard Magnetic Stirrer

• Used for dissolving solids and mixing liquids in chemical and biological laboratories.
• Essential for titrations and pH adjustments where consistent mixing is required.
• Applied in quality control for sample preparation and analytical testing.
• Utilised in educational settings for chemistry and biology demonstrations and experiments.

Typical stirring capacity

For this class of equipment, units commonly handle volumes up to 5-10 litres.

Power supply

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

Speed range

Units of this type commonly offer a variable speed range, typically from 100 to 1500 RPM.

Plate material

Commonly features a ceramic or stainless steel top plate for chemical resistance and easy cleaning.

Footprint

A compact benchtop unit, typically around 150-200mm square.

Temperature control

Standard magnetic stirrers typically do not include heating functionality; this unit is for stirring only.

• What is the primary function of a standard magnetic stirrer?

  Its primary function is to provide consistent, hands-free mixing of liquids using a rotating magnetic field to drive a stir bar within a vessel.

• Can this unit be used for viscous liquids?

• What type of vessels are compatible with this stirrer?

• Does this stirrer include a heating function?

• What maintenance is typically 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.

General overview for this equipment type