Cookies and audience measurement
We use Google Analytics to measure how the site is used and to improve our content. It only loads with your consent: you can decline at no cost and change your mind at any time. Privacy policy
This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.
Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.
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.
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
Easy to use and quite operation – Timer rang 30sec-99min or without limit (continuous running). Rotor speed can be set and displayed by RPM or G-force. Defined program by knob will be stored and activated when power on; Two programs P1/P2 for choose...
Safety – Door lid-interlock prevent opening the centrifuge lid 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...
High Lab Quality Material – Maintenance-free brushless DC motor enables strong stirring power for quick rotating, long life and safety. High quality ABS engineering plastic casing and rotor ensure that the tubes rotate smoothly and safely and is not...
Widely Applications – LCD Digital control and display the time (30sec-99min) and speed (300-5000rpm, up to 2600xg). ONiLAB DM0506 low-speed centrifuge, supplied with built in fixed angle rotor A6-15P with adaptors which can hold up to...
【POWERFUL CENTRIFUGAL】Powerful brushless motor with high performance.Wide range electronic speed control 500-5000 rpm, maximum speed up to 5000RPM, maximum relative centrifugal force 3074 xg
【EASY TO USE】LCD digital display can intuitively adjust the experiment time and speed. Timing range 10s-99min59s, electronic speed control 500-5000r/ min. Instantaneous centrifugation function, press the shot button, the centrifuge starts running...
【ALUMINUM ALLOY ROTOR】LABFISH low-speed centrifuge with built-in fixed-angle rotor can accommodate 8*10ml/15ml centrifuge tubes or 8*2ml/5ml/10ml vacuum collection tubes (do not order this item for uses with other sizes of tubes if you do not know...
【OPERATION SAFETY】Secure intelligent electronic lock, the lid will open automatically after the machine ends operation. The instrument will automatically alarm when there is a malfunction
LC-6S test tubes adapter can accommodate 6*10ml/15ml centrifuge tubes or 6*2ml/5ml/10ml vacuum collection tubes
The LC-6S is compatible with more types of tubes (2 ml/5 ml/10 ml/15 ml) than ever before (10 ml/15 ml)
Note: Different models of machines (LC-6S/LC-8S/LC-12S) fit different size sleeve tubes adapter , please determine the model of the centrifuge first, and then purchase the matching adapter
【POWERFUL CENTRIFUGAL】Powerful brushless motor with high performance.Wide range electronic speed control 500-5000 rpm, maximum speed up to 5000RPM, maximum relative centrifugal force 3074 xg
【EASY TO USE】LCD digital display can intuitively adjust the experiment time and speed. Timing range 10s-99min59s, electronic speed control 500-5000r/ min. Instantaneous centrifugation function, press the shot button, the centrifuge starts running...
【ALUMINUM ALLOY ROTOR】LABFISH low-speed centrifuge with built-in fixed-angle rotor can accommodate 6*10ml/15ml centrifuge tubes or 6*2ml/5ml/10ml vacuum collection tubes (do not order this item for uses with other sizes of tubes if you do not know...
【OPERATION SAFETY】Secure intelligent electronic lock, the lid will open automatically after the machine ends operation. The instrument will automatically alarm when there is a malfunction
Easy to Use and Ergonomic Design – Easy operation thanks to intuitive menu and easy-to-read display. Timer rang 30sec-99min . Speed 300-4500rpm.Parameters can be modified after the set speed is reached. Easy-to-read processing display . When the program...
3 Preloaded Programs and Store 9 Programs: 3 Preloaded programs (PRP，PRF，CGF)for easy and fast operation,user can just select the required program simply without setting. 9 programs for customization can be stored in memory enable quick start for...
Safety – Door lid-interlock prevent opening the centrifuge lid until the rotor has stopped spinning and automatic lid-lock release when operation has stopped to save processing time. Overspeed detector in running. Automatic self-diagnosis on startup...
Precise Control for Widely Applications – LCD Digital control and display, powerful CPU for easy operation of speed, time and all other parameters. . ONiLAB PRP centrifuge supplied with built in fixed angle rotor with adaptors which can hold up to...
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.
Last update on 2026-10-16 / 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.
As an Amazon Associate, we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated and are subject to change.
Before You Go!
Get the latest deals and product comparisons delivered to your inbox.
