Magnetic Stir Plate With Heat
(1)LCD/Double Knob/Timmer/Heating Plate
(2)Stirring Volume:5L
2. Large Capacity Magnetic Stirrer
(1)Double Knob/DC Brushless Motor/100~240V/5~40°C 80%RH
(2)Stirring Volume:10L/20L/50L
3. Multi Link Magnetic Stirrer:
(1)Double Knob/LCD/100~240V/100~1500RPM
(2)Stirring Volume:3*1/6*1/9*1
4. Mini Magnetic Stirrer:
(1)Miniature Brushless Motor/Stepless Speed Regulation/0~2000RPM/AC 220V 50Hz
(2)Stirring Volume:2L
5. Single Control Multi Connection Magnetic Stirrer:
(1)LED Digital/0~1600RPM/RT±5~99.9°C/220V 50/60Hz
(2)Stirring Volume:4*1/6*1
***Price List for whole above, inquire us to get
Description
Technical Parameters
In the vast realm of laboratory equipment, the magnetic stir plate with heat stands as a testament to the pursuit of precision and efficiency in scientific research. This innovative device combines the power of magnetic stirring with the versatility of temperature control, making it an indispensable tool in fields ranging from chemistry and biology to materials science and engineering.When using the device, it is necessary to pay attention to preoperative preparation, operation process, postoperative treatment and comply with relevant precautions.Only the operation and maintenance in accordance with the specifications can ensure the normal operation of the equipment and extend the service life, while ensuring the safety and accuracy of the experiment.
There are many brands and models of magnetic stirring plates with heating function available on the market. Different brands and models of equipment may differ in terms of performance, price, after-sales service, etc. In the selection, should be based on experimental needs, budget and brand reputation and other factors for comprehensive consideration. Generally speaking, well-known brands and models of equipment are more guaranteed in performance and quality, and after-sales service is more perfect.
Principles of Operation
The magnetic stir plate with heat operates on the fundamental principles of magnetism, specifically the interaction between magnetic fields. It utilizes the property of magnetic materials to attract or repel each other based on their polarities. The stirer comprises a rotating magnet located beneath a flat, heated surface. A magntic stir bar or stirer is placed inside a container filled with the liquid or solid-liquid mixture to be mixed. As the magnet beneath the plate rotates, it generates a magnetic field that interacts with the magntic stir bar, causing it to rotate in synchrony. This rotation creates a circular motion within the liquid, effectively mixing its contents.
Additionally, the heated surface of the stir plate allows for precise temperature control. The heating element, typically a resistance heating wire, is embedded within the plate and powered by an electrical source. The temperature can be adjusted using a control panel, often featuring a digital display for precise settings. This combination of stirring and heating enables researchers to maintain specific temperature conditions and ensure uniform mixing, critical for many experimental procedures.
Advantages of Magnetic Stirring with Heat
Uniform Mixing: The magntic stir plate ensures thorough and uniform mixing of liquids, eliminating the need for manual shaking or stirring. This not only saves time but also improves the reproducibility and accuracy of experimental results.
Versatility: The magntic stir plte with heat can accommodate a wide range of containers, from small test tubes to large flasks, making it a versatile tool for various applications. The adjustable stirring speed and temperature settings further enhance its adaptability to different experimental conditions.
Non-Contact Stirring: The non-contact nature of magntic stirring eliminates the need for mechanical parts to be immersed in the liquid, reducing the risk of contamination and wear-and-tear. Additionally, it minimizes the generation of heat and noise compared to traditional stirers.
Energy Efficiency: By providing precise temperature control and efficient stirring, the magnetic stir plate with heat helps minimize energy consumption and waste. This is particularly important in laboratories where energy costs can be significant.
Temperature Control: The integrated heating function allows for precise temperature regulation during stirring, which is crucial for many chemical reactions, enzyme assays, and biological processes. The ability to simultaneously stir and heat eliminates the need for separate heating devices, streamlining workflows and reducing the risk of contamination.
Applications
Chemistry
In chemistry, the magntic stir plate with heat is essential for a myriad of reactions that require precise temperature control and uniform mixing. From simple solution mixing to complex synthetic reactions, this device ensures that reactants are thoroughly combined and maintained at the optimal temperature for reaction progression.
Biology
In biological research, the magntic stir plate with heat is frequently used for culturing cells, maintaining enzyme activity, and performing biochemical assays. The ability to precisely control both stirring and temperature is crucial for maintaining the delicate balance of cellular processes and biochemical reactions.
Materials Science
Materials scientists rely on the magntic stir plate with heat to prepare solutions, suspensions, and dispersions of various materials. By providing uniform mixing and precise temperature control, this device facilitates the synthesis and characterization of new materials with tailored properties.
Engineering
In engineering applications, the magntic stir plate with heat can be used for various tasks such as preparing test samples, simulating fluid dynamics, and studying the effects of temperature on material properties. Its versatility and precision make it an invaluable tool for researchers in this field.
Maintenance and Care
Proper maintenance and care are essential for ensuring the long-term performance and reliability of the magntic stir plate with heat. Here are some tips to keep in mind:
Regular Cleaning:
Clean the stirring surface and surrounding area after each use to remove any residual liquid or contaminants. Avoid using abrasive cleaners or sharp objects, as they may damage the surface.
01
Check Connections:
Ensure that all electrical connections are secure and free of corrosion. Loose or damaged connections can cause electrical hazards or malfunctions.
02
Calibrate Temperature:
Regularly calibrate the temperature control system to ensure accurate readings and maintain the desired setpoint. Most modern magntic stir plates with heat come equipped with calibration procedures or tools to facilitate this process.
03
Inspect Stir Bar:
Examine the stir bar for signs of wear or damage, such as cracks or chipping. Replace worn-out stir bars promptly to maintain efficient stirring and prevent contamination.
04
Store Properly:
When not in use, store the magnetic stir plate with heat in.
05
Applicable substance
Chemical reagent:
Solution, suspension, acid, base, salt, etc.
Organic solvents, such as ethanol, acetone, etc.
Pharmaceutical raw materials:
Pharmaceutical ingredients, solvents, formulations and intermediates, etc.
Any of various liquids used in the pharmaceutical industry for synthesis, analysis and reaction research.
Food and Beverage:
Syrups, protein solutions, fruit juices, sauces and emulsions, etc.
Various liquid ingredients that need to be mixed and heated in food processing.
Cosmetic Ingredients:
Essence, pigment, emulsifier and plant extract, etc.
Liquid ingredients that need to be mixed and heated in the cosmetic industry.
Laboratory samples:
Biological samples, such as cell suspension, serum, etc.
Buffers, solutions and reactants are used in experiments in the fields of biology, physics and geology.
Other substances:
Polymer solution, colloidal solution, etc.
Other types of liquids that require temperature control and agitation.
It should be noted that while magnetic heated stirring plates are suitable for a variety of substances, their stirring effect may be limited for certain types of substances, such as high-viscosity liquids or large-volume liquids. In addition, when using a magnetic heating stirring plate, ensure that the container and mixer used are compatible with the equipment, and follow the instructions and safe operating procedures of the equipment.
Fault causes and solutions
Power supply voltage problem
The power supply voltage is too high or too low, which may cause the motor speed of the magnetic heating agitator to be unstable or even unable to work normally. Running under such voltage conditions for a long time, the motor is easy to burn.
Ambient humidity and liquid intrusion
If the magnetic heating stirrer is exposed to moisture, or the organism enters the liquid inside, it can cause the motor and coil to short circuit, which can cause the equipment to burn out.
Motor quality problems
If there are quality problems in the motor used inside the magnetic heating agitator, such as poor manufacturing process, improper material selection, etc., it may cause the motor to overheat or damage during the working process, and then cause the equipment to burn.
Improper use
If the load is too large, unstable, and the operation of high speed for a long time, it may cause damage to the motor and other components of the magnetic heating agitator.
Not adding enough water samples when in use, resulting in dry equipment, may also cause motor short circuit and damage.
Lack of maintenance
After the magnetic heating agitator is used for a long time, if it is not cleaned and maintained in time, such as replacing the motor bearings and keeping the motor dry, it may lead to reduced equipment performance and even burn.
Equipment aging
With the increase of use time, the components of the magnetic heating agitator will gradually age, such as heating tubes, circuit boards, etc. These aging parts may have problems during the working process, resulting in the equipment burning.
In order to avoid the magnetic heating stirrer burning out, the following measures can be taken:
Check whether the power supply voltage is normal before use to avoid too high or too low voltage.
Keep the equipment working environment dry to avoid liquid intrusion into the equipment.
Use the right amount of reagents and appropriate containers to avoid overload and unstable use.
Clean and maintain the equipment regularly, such as replacing motor bearings and keeping the motor dry.
Pay attention to the service life of the device and replace the aging parts in time.
The use of shielding materials
Select shielding material
Metal materials
Such as copper, aluminum, steel, etc., these materials have good electrical and magnetic conductivity, and can effectively shield electromagnetic waves. For magnetic heating mixing plates, thin metal plates or metal mesh can be selected as shielding materials.
Conductive rubber
Conductive rubber is the uniform distribution of conductive particles in silicone rubber, through the pressure to contact conductive particles, to achieve good electrical conductivity. It has good sealing and electromagnetic shielding effect, and can be used to magnetically heat the edge or interface of the mixing plate.
Conductive cloth
Conductive cloth is made of metal layer electroplated on polyester fiber, which has good electrical conductivity and electromagnetic shielding effect. It can be used to magnetically heat the inside or outside of the mixing plate to cover sensitive areas.
Install shielding materials
Shell shield
The shielding material (such as a thin metal plate) is wrapped around the outer edge of the magnetically heated stirring plate to form a closed shield. This can effectively shield external electromagnetic waves and reduce electromagnetic interference.
Gap shielding
For gaps or openings on the magnetic heating mixing board, shielding materials such as conductive foam and conductive cloth tape can be used to fill or cover them. These materials have good electrical conductivity and sealing properties, which can effectively prevent electromagnetic waves from leaking out of the gaps.
Interface shielding
For the interface on the magnetic heating mixing board (such as the power line interface, signal line interface, etc.), you can use a special shielding connector or shielding sleeve for shielding. This can ensure the electromagnetic shielding effect at the interface and reduce the spread of electromagnetic interference.
Precautions
Electrical conductivity of shielding material
Ensure that the shielding material used has good electrical conductivity to achieve the best electromagnetic shielding effect.
Sealing of the shielding material
When installing the shielding material, ensure that its sealing is good to prevent electromagnetic waves from leaking out of the gap.
Corrosion resistance of the shielding material
Considering the chemicals that the magnetic heating stirring plate may come into contact with, choose a shielding material that is resistant to corrosion to ensure its long-term stability.
The installation position of the shielding material
According to the structure of the magnetic heating mixing plate and the use environment, the installation position of the shielding material is reasonably selected to achieve the best shielding effect.
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