| Customization: | Available |
|---|---|
| Warranty: | 12 Months |
| Maxcapacity: | 100kN |
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HJ-1 High Quality Laboratory Chemistry Stirrer Magnetic Mixer with Stir Bar
Description:
A high-quality laboratory magnetic stirrer is a motor-driven device that generates a rotating magnetic field. It is designed to rotate a magnetically susceptible stir bar (also called a flea) immersed in a liquid contained within a vessel (beaker, flask, vial) placed on top of the stirrer's platform. Key features typically include:
Robust Construction: Made with durable materials (often aluminum or stainless steel housing, chemical-resistant polymer top plate) for long-term lab use.
Precise Control: Features a digital or precise analog control system for smooth and accurate adjustment of stirring speed (RPM).
High Torque Motor: A powerful motor ensures consistent rotation even at high speeds or with viscous solutions, preventing the stir bar from stalling.
Chemical-Resistant Surface: The flat platform top is resistant to common laboratory chemicals, solvents, and spills.
Stir Bar Included: Supplied with one or more PTFE (Teflon)-coated magnetic stir bars of various sizes/shapes (e.g., oval, cylindrical, cross-shaped) suitable for different vessel types and volumes.
(Often) Heating Function (Optional): Many high-quality models integrate a heating element beneath the platform, allowing simultaneous heating and stirring with precise temperature control (via digital thermostat).
Stable Platform: Provides a secure, vibration-minimized base for vessels.
User Interface: Clear display (digital models) and intuitive controls for setting speed (and temperature if applicable).
Advantages:
Contamination-Free Mixing: The stir bar is sealed inside the vessel, eliminating the risk of contamination from external moving parts (like shafts or seals) compared to overhead stirrers. The closed system is ideal for sensitive reactions and sterile work.
Versatility: Capable of efficiently mixing a wide range of liquid volumes (from microliters in small vials to liters in large beakers/flasks) and viscosities.
Gentle & Homogeneous Mixing: Provides consistent and smooth agitation, ensuring uniform mixing and dissolution without creating excessive foam or splashing, crucial for delicate biological samples or crystallization.
Ease of Use & Cleaning: Extremely simple to set up (place vessel + bar, turn on). The platform surface and stir bars are easy to clean. No complex assembly or alignment needed.
Safety: Reduced risk of entanglement or spills compared to overhead stirrers. Sealed system contains liquids effectively.
Quiet Operation: Modern high-quality magnetic stirrers operate significantly quieter than overhead stirrers.
Compact & Space-Saving: Takes up minimal bench space compared to overhead stirrer setups.
Durability & Reliability: High-quality construction ensures longevity and consistent performance even under demanding daily laboratory conditions.
Precise Process Control: Accurate speed control allows for reproducible mixing conditions. Integrated heating (in heated models) provides precise temperature control during mixing.
Efficiency: Enables unattended operation for extended periods, freeing up researcher time.
This combination of features makes a high-quality magnetic stirrer with a stir bar an indispensable, reliable, safe, and versatile tool for a vast array of mixing, dissolving, heating (if equipped), and homogenization tasks in chemistry, biology, biochemistry, and industrial laboratories.
| Name | Laboratory Chemistry Stirrer Magnetic Mixer with Stir Bar |
| Stirring Capacity | 100~1000 ml |
| Speed Range | 0~2000 r/min |
| Plate Material | Aluminum |
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