Mini Magnetic Stirrer, Compact Magnetic Stirrer

The mini magnetic stirrer is an essential laboratory tool designed for efficient liquid mixing in small volumes, offering precise and consistent stirring performance for various scientific applications.

This compact device utilizes a rotating magnetic field to spin a stir bar immersed in liquids, creating vortex mixing without direct mechanical contact.

Measuring just 4-6 inches in diameter, the mini magnetic stirrer is perfect for benchtop use in chemistry labs, research facilities, and educational institutions where space is limited but performance cannot be compromised.

Constructed with an anodized aluminum or chemically-resistant plastic housing, the lab mini magnetic stirrer features a durable top plate that can withstand exposure to common laboratory chemicals and solvents.

The unit operates on a quiet DC motor capable of generating rotation speeds from 100 to 1,500 RPM, with precise digital controls allowing adjustments in increments as small as 10 RPM.

Many models include an integrated heating function with temperature ranges between ambient and 300°C, making the mini magnetic stirrer ideal for applications requiring both mixing and controlled heating, such as chemical synthesis and sample preparation.

The mini magnetic stirrer accommodates various vessel types, including beakers, flasks, and test tubes from 50ml to 2000ml capacity.

Advanced models feature programmable timers, speed ramping functions, and memory settings to store frequently used protocols.

Safety features often include overheat protection, automatic shut-off, and non-slip rubber feet to ensure stable operation.

The energy-efficient design consumes minimal power while delivering consistent torque, even at high viscosity levels.

Compact Magnetic Stirrer Specifications

Power 5W
Display Mode LCD
Speed control range 1500-1800turn
Speed control accuracy ±10rpm
Allowable ambient temperature Room temperature -40°C
Maximum stirring capacity 2L/5L
Working disc material Coated PC, corrosion-resistant
Size 132x122x40 mm
Motor type Miniature brushless motor
Time control mode Touch screen adjustment
Speed control mode Touch screen adjustment

FAQs

What is a magnetic stirrer used for?

A magnetic stirrer is a device widely used in laboratories and consists of a rotating magnet or a stationary electromagnet that creates a rotating magnetic field. This device is used to make a stir bar, immerse in a liquid, quickly spin, or stir or mix a solution, for example.

What is the principle of magnetic stirrer?

The operating principle behind a magnetic stirrer lies in the interaction between magnetic fields. The device contains a rotating magnet or an electromagnet. When powered, the magnet beneath the platform starts spinning, creating a rotating magnetic field.

Why is a magnetic stirrer better?

Efficient mixing: A hot plate magnetic stirrer can mix solutions quickly and efficiently, ensuring that all components are evenly distributed. 2. Temperature control: The heating function allows you to control the temperature of your solution, which is important for many chemical reactions.

What are the disadvantages of magnetic stirrers?

The disadvantage of magnetic stirrers compared to homogenizers and overhead stirrers is that they do not work well with samples of high viscosity. That’s because there is no physical connection between the rotating magnet in the base and the free mixer bar magnet.

Can a magnetic stirrer stir viscous liquids?

Water-like samples are perfectly stirred by magnetic stirrers, while higher viscosity mixing requires the use of overhead stirrers. This is especially true for applications where the sample’s viscosity increases as the stirring progresses, such as lotions or polymerizations.

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