What is the primary advantage of a magnetic stirrer over an overhead stirrer?

Magnetic stirrers provide gentle, contact-free stirring, ideal for sealed vessels or applications where mechanical agitation could introduce contamination or shear forces. They are generally more compact and quieter.

Can this unit handle viscous liquids?

While designed for robust stirring, the effectiveness with highly viscous liquids depends on the specific liquid's viscosity and the stir bar's size and shape. Buyers should contact the seller for performance with specific viscous media.

What kind of stir bars are compatible?

Magnetic stirrers typically use standard PTFE-coated magnetic stir bars. The optimal size and shape of the stir bar will depend on the vessel and liquid volume.

Is temperature control integrated?

The SB301 model is a stirrer only; it does not typically include integrated heating. For combined stirring and heating, a magnetic stirrer with a hotplate function would be required.

What maintenance is required for a magnetic stirrer?

Maintenance is generally minimal, involving routine cleaning of the top plate and ensuring the power cord is in good condition. No internal user-serviceable parts are typically present.

Used Stuart Scientific SB301 Magnetic Stirrer - Mixers & Stirrers, photo 1

Used Stuart Scientific SB301 Magnetic Stirrer - Mixers & Stirrers, photo 2

Used Stuart Scientific SB301 Magnetic Stirrer - Mixers & Stirrers, photo 3

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Used Stuart Scientific SB301 Magnetic Stirrer - Mixers & Stirrers, photo 5

Used Stuart Scientific SB301 Magnetic Stirrer - Mixers & Stirrers, photo 6

Used Stuart Scientific SB301 Magnetic Stirrer - Mixers & Stirrers

used Equipment

Available

Verified seller

Stuart Scientific SB301 Magnetic Stirrer

Name: Stuart Scientific SB301 Magnetic Stirrer
Brand: Stuart Scientific
SKU: 22504.SR8B
Availability: InStock

Price: Contact seller for price

This listing is for a Stuart Scientific SB301 Magnetic Stirrer The unit is in full working condition and is ready for immediate release. Overview & Intended Use The SB301 is a robust, heavy‑duty magnetic stirring device designed for laboratory applications where relatively large volumes of liquid (up to around 30 L of water-equivalent) need to be stirred. It is used in chemistry, biology, environmental labs, or anywhere you need continuous stirring without introducing mechanical agitation (i.e. no overhead stirrer, no impeller). It emphasizes stable speed control, durability, and strong magnetic coupling (i.e. strong magnetic fields to drive the stir bar reliably even under load

Cambridgeshire, United Kingdom

5,773 km away

Model Number

SB301

Stock Number

22504.SR8B

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Chemical synthesis and reactions requiring homogeneous mixing.
Biological sample preparation and cell culture media stirring.
Environmental sample analysis and solution preparation.
Quality control laboratories for reagent mixing and dissolution.
Educational institutions for practical chemistry and biology demonstrations.

Typical stirring capacity: Units of this class commonly handle volumes up to 30 litres of water-equivalent.
Power supply: Typically operates on standard UK mains voltage (230V, 50Hz).
Speed range: Magnetic stirrers of this type usually offer a variable speed range, often from 100 to 1500 RPM.
Plate material: Commonly features a chemically resistant top plate, such as stainless steel or ceramic.
Footprint: For this class of equipment, dimensions are typically compact, suitable for benchtop use.
Control: Units typically feature analogue or digital speed control for precise stirring.

Magnetic stirrers provide gentle, contact-free stirring, ideal for sealed vessels or applications where mechanical agitation could introduce contamination or shear forces. They are generally more compact and quieter.

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

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.