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Lab centrifuges are essential tools for separating substances based on density. The rotor is the heart of the centrifuge, directly impacting its performance and the quality of separation. Selecting the appropriate rotor ensures efficient, reliable, and safe operation for a wide range of laboratory applications.
【Powerful Centrifugal Performance】 High-performance brushless motor with PWM electronic speed control (1000-10000 RPM), achieving a max RCF of 6708 xg for strong and reliable sample separation.
【Flexible Dual Rotor System】 Includes two rotors: a versatile rotor compatible with 0.2ml, 0.5ml, 1.5ml, and 2ml tubes; and a micro rotor designed for 12 small glass tubes (40mm, Φ1.5mm).
【Smart & User-Friendly Operation】 Equipped with an LCD screen for precise time setting. Memory function stores your frequently used speed and time protocols, streamlining repetitive experiments.
【Comprehensive Safety Features】 Lid-open automatic brake system, overheat protection, and a secure rotor lock mechanism prevent loosening during operation for safe and worry-free use.
【Complete Package with Accessories】 Includes 200 small glass tubes (40mm, Φ1.5mm) for extensive use. Its compact, mini design makes it a perfect space-saving benchtop unit for any lab.
Compact & Powerful-- This mini centrifuge (6.7"x5.7"x4.7") packs a serious punch, offering a wide speed range of 100-12,000 RPM and a max RCF of 7245×g. Its universal 100-240V power supply makes this centrifuge machine lab-ready anywhere.
Precise Control-- Take full command with the clear LCD screen. Easily set and monitor your desired speed and run time (1-99 minutes) for repeatable, accurate results with this intuitive centrifuge.【Please note】 that the centrifuge should not be used...
Smart Safety Design-- The automatic stop-on-lid-open and resume-on-close feature offers user protection. For the safest operation, we recommend avoiding manual interruption during running.
Flexible Rotor System-- Switch between an 8-place round rotor (for 0.2/0.5/1.5/2ml tubes) and a 16-place strip rotor. For smooth operation of this mini centrifuge, always balance loads symmetrically, using a water tube if needed.
Durable Build-- The maintenance-free brushless DC motor ensures long-lasting, quiet, and smooth performance. Rubber damping feet and a tough, transparent ABS casing minimize vibration and allow for easy sample observation.
Easy Use: Rotor speed can be set and displayed by RPM or G-force; Defined program will be stored and activated when power on; Two programs P1/P2, easy to start the procedure by one key; Sound alert; Automatic lid-lock release after running; Noise≤56Db
Safety – Door lid-interlock prevent opening until the rotor has stopped spinning and automatic lid-lock release when operation has stopped to save processing time. Overspeed detector in running. Automatic internal self-testing after turned on
High Lab Quality Material – Maintenance-free brushless DC motor enables long life,safety and quick rotating, ;High quality ABS casing and rotor ensure smooth rotate; Cast iron base and specially designed vacuum suction feet for stable operation
Widely Applications – LCD Digital control and display the time (30sec-99min) or continuous mode and speed (300-5000rpm, up to 2600xg). Fixed rotor with adaptors can hold up to 15/10/7/1.5-5 mL×6 tubes. It is widely used for separation routine practice
Service from Manufacturer: Conforms to international safety standards and regulations marked with CE, cTUVus and FCC; Any questions, please contact us directly and we will provide immediate service to each customer
▷UPDATED BUTTON---The stepless speed regulation design of the buttons makes the operation smoother and have a longer service life.
▷COMPACE DESIGN---Small in size, the overall dimension of the machine: 9’’X8.6’’X6.8’’; light weight: 3.5lb, portable, easily carry it everywhere.
▷STRONG MATERIALS---The whole lab centrifuge machine adopts ABS high-strength shell, which is strong and durable and has a longer service life.
▷STABLE OPERATION---Stable anti-slip feet, high speed accuracy, quiet operation, noise ≤50db, will not disturb your work, DC motor, continuous operation mode.
Price For: Each Speed Control: Digital Overall Height: 8.3" Compliance: CE Hz: 50-60 Width: 11.6" Programmable: Yes Type - Centrifuge: Benchtop Color: White Standards: CE Height
Maximum Test Tube Size: 15mL Motor Type: Brushless Voltage: 115VAC Overall Depth: 14.4" Noise Reduction Rating NRR (dB): Less Than49 dB (A) Country of Origin (subject to change): China
Powerful & Compact-- This mini centrifuge delivers professional performance in a space-saving design (5.7"x7"x4.3"). With adjustable speeds up to 10,000 RPM and a max RCF of 5600×g, it's the powerful yet compact centrifuge machine perfect for...
Precise Digital Control-- The LCD display shows real-time data for easy recording and protocol compliance. Set precise run times from 1-119 minutes with the built-in timer, making this centrifuge ideal for standardized experiments, sequential sample...
Versatile Rotor System-- Maximize your workflow flexibility with two interchangeable rotors for this centrifuge: an 8-place round rotor (for 0.2/0.5/1.5/2ml tubes) and a 2x8-place strip rotor for micro-volumes, covering a wide range of applications
Safe & Balanced Operation-- Ensure smooth, vibration-free runs by always loading tubes symmetrically. For single tubes, simply add a water-filled balance tube. The non-slip base keeps this mini centrifuge stable during operation
Automated Safety Lid-- Features an intelligent open-lid protection system. The rotor auto-stops when opened and resumes when closed, allowing safe sample observation through the transparent lid—all with convenient one-handed operation
Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Centrifuge Rotors
Understanding Rotor Types
Lab centrifuge rotors are primarily categorized by their motion: fixed-angle and swinging-bucket. Fixed-angle rotors hold tubes at a specific angle, ideal for pelleting and separating denser components to the side of the tube. Swinging-bucket rotors allow tubes to swing out horizontally during operation, creating a flat pellet at the bottom of the tube, which is preferable for density gradient separations and when a clean supernatant is crucial.
Key Specifications to Consider
Capacity and Tube Compatibility: Ensure the rotor can accommodate the number and volume of tubes required for your experiments. Check the maximum tube size and number of positions.
Maximum Speed (RPM) and RCF (g-force): The rotor's maximum speed determines the achievable centrifugal force. Always match the rotor's capabilities to the centrifuge's specifications and your application's requirements. RCF is often a more critical factor than RPM for separation efficiency.
Material and Durability: Rotors are typically made from aluminum or carbon fiber. Aluminum is common and cost-effective, while carbon fiber is lighter, stronger, and corrosion-resistant, often allowing for higher speeds.
Angle (for Fixed-Angle Rotors): Common angles range from 14° to 45°. Steeper angles are better for pelleting, while shallower angles can be useful for certain types of gradient separations.
Application-Specific Selection
The best rotor choice depends heavily on your laboratory's primary functions. For molecular biology applications involving DNA/RNA pelleting, fixed-angle rotors are often preferred. Clinical laboratories might utilize swinging-bucket rotors for blood separation (serology, cell counting). Cell culture work may benefit from the gentle separation offered by swinging-bucket rotors, minimizing cell damage.
Maintenance and Safety
Proper maintenance is vital for rotor longevity and safe operation. Always inspect rotors for corrosion, cracks, or damage before each use. Ensure rotors are properly balanced before centrifugation to prevent excessive vibration and potential damage to the centrifuge and rotor. Follow manufacturer guidelines for cleaning and storage. Never exceed the rotor's maximum rated speed.
Frequently Asked Questions
What is the difference between fixed-angle and swinging-bucket rotors?
Fixed-angle rotors hold tubes at a set angle, forcing sediment to the side of the tube. Swinging-bucket rotors allow tubes to pivot horizontally during runs, creating a flat pellet at the bottom, which is gentler and better for some separations.
How do I determine the correct RCF for my experiment?
The required RCF depends on the density difference between your sample components and the medium. Consult your experimental protocol or scientific literature for recommended RCF values for specific separations.
Can I use any rotor with my centrifuge?
No, you must use a rotor that is specifically designed and certified for your centrifuge model. Using an incompatible rotor can lead to damage, imbalance, and serious safety hazards.
How often should I inspect my centrifuge rotor?
It is crucial to inspect your rotor before every single use. Look for any signs of corrosion, cracks, pitting, or damage to the tube cavities or rotor body.
What is the maximum speed I can run a rotor at?
Always adhere to the maximum speed rating specified by the rotor manufacturer. Exceeding this limit can cause rotor failure and is extremely dangerous.
How important is balancing the load in a centrifuge rotor?
Load balancing is critical for safe and effective centrifugation. An unbalanced load can cause excessive vibration, noise, and damage to the rotor and centrifuge, and can also lead to poor separation results.
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