magnetic stirrer test, review, and demonstration INTLLAB 3000 rpm, MS-500

Frederick Dunn
7 Nov 201706:25
EducationalLearning
32 Likes 10 Comments

TLDRIn this video, the presenter tests an inexpensive magnetic stirrer for mixing thick fluids like a 2:1 sugar solution, ideal for beekeepers. They demonstrate its effectiveness with a Pyrex beaker, noting the stirrer's quiet operation and adjustable speed. The pellet, repelled by the spinning magnets, moves fluid effectively until reaching maximum RPM, where it may spin off-center. The stirrer's low power consumption makes it suitable for long-term stirring tasks, ensuring a well-blended mixture for various applications.

Takeaways
  • πŸ› οΈ The video is a demonstration of an inexpensive magnetic stirrer, highlighting its ease of use and versatility.
  • πŸ” The presenter recommends using Pyrex glass beakers for stirring to ensure precision and proper blending.
  • 🧲 The magnetic stirrer includes a pellet that is repelled by the spinning magnets inside the unit, which helps maintain stirring.
  • πŸ”Š The stirrer can be noisy, especially when the pellet is spinning at higher speeds.
  • βš™οΈ The stirrer has adjustable power settings, allowing the user to control the speed of stirring.
  • πŸŒ€ At high power settings, the pellet can move to the side if the fluid is too thick, which the presenter demonstrates with a 2:1 sugar syrup.
  • 🍯 The presenter tests the stirrer with a thick sugar syrup, which is a common mixture for beekeepers, to evaluate its performance.
  • πŸ”₯ Heating the water before adding sugar helps dissolve the crystals more easily, which is a tip provided for making sugar syrups.
  • πŸ“ It's suggested to use a longer stirring pellet for lower RPM stirring to handle more fluid without moving the pellet off-center.
  • πŸ‘¨β€πŸ”§ The stirrer is not meant for high-volume mixing, with a maximum capacity of about a half-gallon container.
  • 🎨 The presenter adds food coloring to the mixture to visually demonstrate the blending process and the stirrer's efficiency.
Q & A
  • What is the purpose of the magnetic stirrer being tested in the video?

    -The magnetic stirrer is being tested to demonstrate its ability to mix thick fluids without the need for manual stirring, which can be useful for tasks like blending sugar water for honeybees.

  • What type of glassware is recommended for use with the magnetic stirrer?

    -Pyrex glass beakers are recommended due to their precision and suitability for well-blended mixtures.

  • What is the significance of the magnetic pellet that comes with the stirrer?

    -The magnetic pellet is essential for the stirring process, as it is repelled by the spinning magnets inside the unit, allowing it to mix the fluid effectively.

  • How does the noise level of the magnetic stirrer compare to the noise from the palette?

    -The magnetic stirrer unit itself is quiet, with most of the noise coming from the palette during operation.

  • What is the maximum RPM efficiency of the magnetic stirrer, and what happens when it is exceeded?

    -The maximum RPM efficiency is not specified, but when exceeded, the pellet is pushed to the side, indicating that the mixture is too thick or the power is too high for the pellet to maintain stirring.

  • What is the thickest fluid the presenter plans to test with the magnetic stirrer?

    -The thickest fluid tested is a two-to-one sugar syrup, which is a mixture used for honeybees and known for its thickness.

  • How does the presenter suggest improving the stirring process with the magnetic stirrer?

    -The presenter suggests using a longer stirring pellet to stir at a lower RPM, which would be more efficient for moving thicker fluids.

  • What is the recommended maximum volume for the container when using this magnetic stirrer?

    -The maximum recommended volume is about a half-gallon, as the magnetic connection may weaken with larger distances between the fluid and the motor.

  • Why are thin and flat glass beakers preferred for use with the magnetic stirrer?

    -Thin and flat glass beakers are preferred because they sit close to the motor, minimizing the distance and maintaining a strong magnetic connection for effective stirring.

  • What is the presenter's final assessment of the magnetic stirrer's performance with the two-to-one sugar syrup?

    -The presenter is satisfied with the magnetic stirrer's performance, as it successfully stirred the thick syrup, indicating its suitability for tasks like mixing bee feed.

  • What additional tip does the presenter give for those who might use the magnetic stirrer for bee feed?

    -The presenter suggests that the magnetic stirrer is a good method for ensuring a nice blend before putting the feed into bee feeders, especially when adding essential oils or similar substances.

Outlines
00:00
πŸ”¬ Testing an Inexpensive Magnetic Stirrer

The speaker introduces an inexpensive magnetic stirrer, discussing its benefits for mixing substances without manual intervention. They recommend using Pyrex glass beakers due to their thin and flat design, which allows for optimal magnetic coupling with the stirrer. The video demonstrates the stirrer's performance with a thick sugar syrup, showing how the pellet moves and the unit's noise level. The speaker also mentions the stirrer's adjustable speed and maximum RPM, noting that it can handle heavy syrups but struggles at higher speeds with thicker fluids.

05:08
🍯 Stirring Solutions for Beekeeping and Beyond

In this paragraph, the speaker continues to test the magnetic stirrer with a 2:1 sugar solution, commonly used in beekeeping, emphasizing its utility for blending essential oils into bee feed. They note the stirrer's low power consumption and convenience for leaving mixtures to blend unattended. The video concludes with the speaker's satisfaction with the stirrer's performance and a recommendation for those looking for a similar tool, appreciating its effectiveness for stirring thick solutions.

Mindmap
Keywords
πŸ’‘Magnetic Stirrer
A magnetic stirrer is a device used to mix substances by creating a rotating magnetic field. In the video, the host is testing an inexpensive magnetic stirrer to see how well it mixes thick fluids without the need for manual stirring. It's an essential tool for blending ingredients like sugar syrup for bees, which is a key part of the video's demonstration.
πŸ’‘Pyrex Glass Beakers
Pyrex is a brand of glass known for its strength and resistance to thermal shock, making it ideal for laboratory and kitchen use. In the video, the host recommends using Pyrex glass beakers for stirring mixtures because of their precision and blending capabilities. The beakers are used to demonstrate the stirring process with sugar water.
πŸ’‘Magnetic Pellet
The magnetic pellet is a small component that is placed in the liquid to be stirred. It interacts with the magnetic field created by the stirrer, causing it to rotate and mix the liquid. The host mentions that the pellet included with the stirrer is not the ideal size for the thickest mixtures but is used in the demonstration to show how the stirrer operates.
πŸ’‘Sugar Water
Sugar water is a simple syrup made by dissolving sugar in water. In the context of the video, sugar water is used as a test substance for the magnetic stirrer's capabilities. The host specifically mentions a 'two to one' sugar ratio, which is a thicker syrup, to challenge the stirrer's performance.
πŸ’‘Two to One Sugar Ratio
A two to one sugar ratio refers to a mixture where there are two parts sugar to one part water. This creates a very thick syrup, which is used in the video to test the magnetic stirrer's ability to handle dense mixtures. It is a common ratio used in beekeeping for feeding honeybees.
πŸ’‘RPM (Revolutions Per Minute)
RPM is a measure of the number of rotations a device makes per minute. In the video, the host discusses the stirrer's maximum RPM efficiency, which is the highest speed at which the stirrer can operate effectively without causing the magnetic pellet to move off-center.
πŸ’‘Beekeeping
Beekeeping is the practice of maintaining hives and caring for bees. The video's host is a beekeeper and uses the magnetic stirrer to prepare bee feed. The context of beekeeping is important as it provides a real-world application for the stirrer's use in mixing precise and well-blended substances.
πŸ’‘Food Coloring
Food coloring is used in the video to visually demonstrate the blending process of the magnetic stirrer. By adding it to the sugar water, the host shows how quickly the stirrer can mix in additives, providing a visual cue for the effectiveness of the stirring action.
πŸ’‘Essential Oils
Essential oils are mentioned in the video as a potential additive to bee feed. The host suggests that the magnetic stirrer could be used to ensure that essential oils are well-blended into the feed, highlighting the stirrer's versatility for mixing various substances.
πŸ’‘MS 500
MS 500 is the model name of the magnetic stirrer being tested in the video. It is used as a specific example of an inexpensive option available for consumers. The host provides feedback on its performance with thick mixtures, giving viewers an insight into its capabilities.
Highlights

Testing an inexpensive magnetic stirrer for various mixing tasks.

Preference for mixing without a spoon and leaving mixtures to stir for extended periods.

Recommendation of Pyrex glass beakers for precise and well-blended mixtures.

Description of the magnetic stirrer pellet and its function.

Observation of the stirrer's noise level and its source.

Demonstration of the stirrer's operation and speed adjustment.

Explanation of the stirrer's maximum RPM efficiency and pellet displacement.

Testing the stirrer with the thickest fluid mixture: a 2:1 sugar-water solution.

Mention of the difficulty in blending 2:1 sugar syrup and its application for honeybees.

Use of a longer stirring pellet for lower RPM and more fluid movement.

Advantages of using beakers for stirring due to their thin and flat glass design.

Importance of maintaining close proximity between the fluid and the motor for magnetic connection.

Demonstration of the stirrer's ability to handle heavy syrup at 2/3 power.

Observation of the stirrer's performance at higher RPMs and pellet behavior.

Use of food coloring to test the stirrer's blending speed and liquid movement.

Recommendation for using the stirrer for slow-dissolving substances and leaving it unattended.

Satisfaction with the stirrer's performance for bee feed preparation.

Final thoughts on the stirrer's utility for blending essential oils or similar substances in bee feed.

Presentation of the magnetic stirrer model and packaging.

Transcripts
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