Table Top Low Speed Centrifuge - Professional Series
Benchtop low-speed centrifuge with 4000 rpm maximum speed and 2250×g RCF capacity, accommodating up to four 100ml tubes for routine sample separation applications.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- Configured during quote
- SKU family
- BIO-0949
- Sizing
- 28.0 x 34.0 x 47.0 cm
- Ordering
- Online checkout and quote request available
- Category
- Centrifuges
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The ConductScience Table Top Low Speed Centrifuge provides reliable sample separation for routine laboratory applications requiring moderate centrifugal forces. With a maximum speed of 4000 rpm and relative centrifugal force of 2250×g, this benchtop unit accommodates up to four 100ml containers in its angle rotor configuration. The instrument operates with ±10 rpm speed precision and maintains noise levels at or below 60 dB(A) for comfortable laboratory environments.
Designed for continuous operation or timed runs from 1 second to 99 minutes 59 seconds, the centrifuge features short-span capability for brief applications. The compact footprint (340×470×280mm) and 18kg weight make it suitable for standard laboratory benches while providing the separation performance needed for sample preparation, cell pelleting, and clarification procedures across multiple research disciplines.
How It Works
Centrifugal separation operates on the principle of differential sedimentation under applied centrifugal force. When samples are spun at high rotational speeds, particles experience forces many times greater than gravity, causing components with different densities to separate based on their sedimentation coefficients. The angle rotor design positions tubes at a fixed angle relative to the rotation axis, creating both radial and tangential force components that facilitate efficient pelleting.
The relative centrifugal force (RCF) is calculated as 1.118 × 10⁻⁵ × r × N², where r is the radius from the center of rotation to the sample and N is the rotational speed in rpm. At maximum speed of 4000 rpm, this centrifuge generates 2250×g, sufficient for most routine separation tasks including cell harvesting, precipitate collection, and sample clarification.
Timing control allows for optimization of separation conditions based on particle size and density differences. Short-span mode enables brief spins for delicate samples, while continuous operation supports extended separations for challenging applications requiring prolonged centrifugal force.
Features & Benefits
Model Configuration
- BIO-0288 — 5000 RPM, 12×15ml, Angle Rotor
- BIO-0287 — 4000 RPM, 4×100ml, Swing Bucket
- BIO-0286 — 4000 RPM, 24×10ml, High Capacity
- BIO-0285 — 4000 RPM, 8×20ml, Compact
- BIO-0284 — 5000 RPM, 2000ml, Heavy Duty
- BIO-0283 — 6000 RPM, 2000ml, Max Speed
- BIO-0280 — 4000 RPM, 4×100ml, Precision
- BIO-0278 — 6000 RPM, 4×300ml, Max Capacity
Weight
- 18.0 kg
Dimensions
- L: 28.0 mm
- W: 34.0 mm
- H: 47.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Maximum Speed | 4000 rpm | Entry-level models often offer 2000-3000 rpm | Higher speeds reduce centrifugation time and improve separation efficiency for routine applications. |
| RCF Capacity | 2250×g maximum | Basic centrifuges commonly provide 1000-1800×g | Higher centrifugal force enables separation of smaller particles and improves pellet compaction. |
| Tube Capacity | 4×100ml tubes | Compact models typically handle 2-6 tubes of varying sizes | Balanced four-tube configuration optimizes throughput while maintaining proper sample balance. |
| Speed Precision | ±10 rpm accuracy | Basic models may have ±25-50 rpm variation | Improved precision ensures reproducible separation conditions for consistent experimental results. |
| Noise Level | ≤60 dB(A) | Standard centrifuges often operate at 65-75 dB | Quieter operation reduces laboratory noise pollution and improves working environment comfort. |
| Timing Flexibility | 1 second to 99min59s plus continuous | Basic timers often limited to minutes with less precise control | Precise timing control enables optimization of separation protocols and supports diverse applications. |
This centrifuge provides higher speed capacity and improved precision compared to basic benchtop models while maintaining compact size and quiet operation. The combination of 4000 rpm capability, ±10 rpm precision, and flexible timing makes it suitable for demanding routine applications requiring consistent results.
Practical Tips
Verify speed accuracy periodically using a tachometer or strobe light, especially after transportation or heavy use.
Why: Speed accuracy directly affects RCF calculations and separation reproducibility.
Clean rotor and chamber after each use with mild detergent, and inspect rotor for cracks or wear monthly.
Why: Regular cleaning prevents cross-contamination and early detection of wear prevents catastrophic failure.
Always balance samples within 0.1g across opposing positions and use balance tubes when running odd numbers of samples.
Why: Proper balance prevents excessive vibration that can damage bearings and affect separation quality.
Pre-cool samples and tubes when working with temperature-sensitive materials to minimize heat generation during spinning.
Why: Centrifugation generates heat that can denature proteins or affect cell viability in biological samples.
If excessive vibration occurs, immediately stop and check sample balance, tube integrity, and rotor installation.
Why: Unbalanced loads can damage drive mechanisms and create safety hazards from excessive vibration.
Record actual run times and speeds in protocols rather than relying solely on programmed settings for reproducibility.
Why: Slight variations in timing or speed can affect separation outcomes and experimental reproducibility.
Never open the lid while the rotor is spinning and wait for complete stop before accessing samples.
Why: Moving rotors present serious injury risk and samples may still be settling even after deceleration begins.
Replace rotor according to manufacturer specifications based on accumulated run time and visual inspection.
Why: Metal fatigue from repeated stress cycles can lead to rotor failure with potentially catastrophic consequences.
Setup Guide
What’s in the Box
- Table top centrifuge main unit
- Angle rotor (4M0001)
- Power cord
- User manual and documentation
- Safety instructions (typical)
- Tube adapters and accessories (typical)
Warranty
ConductScience provides standard one-year manufacturer warranty covering defects in materials and workmanship. Technical support and service guidance are available throughout the warranty period for operational questions and troubleshooting assistance.
Compliance
What is the maximum sample volume per tube and total capacity?
The centrifuge accommodates up to four 100ml tubes simultaneously using the included angle rotor, providing 400ml total sample processing capacity per run.
How precise is the speed control and what is the minimum time setting?
Speed precision is ±10 rpm across the full range up to 4000 rpm. Timing can be set as short as 1 second for brief pulse spins or up to 99 minutes 59 seconds for extended separations.
What maintenance is required for consistent operation?
Regular cleaning of rotor and chamber, periodic inspection of rotor wear, and verification of balance accuracy. Consult product datasheet for detailed maintenance schedules and procedures.
Can this centrifuge handle temperature-sensitive samples?
The unit operates at ambient temperature without active cooling. For temperature-sensitive samples, pre-cool samples and tubes, or consider refrigerated centrifuge alternatives for critical applications.
What safety features prevent operation with unbalanced loads?
Consult product datasheet for specific imbalance detection and safety interlock features. Proper manual balancing of samples across rotor positions is essential for safe operation.
How does the RCF compare to gravitational force for separation efficiency?
Maximum RCF of 2250×g provides 2,250 times gravitational force, significantly accelerating sedimentation compared to gravity settling for efficient particle and cell separation.
What types of tubes and accessories are compatible?
The angle rotor accommodates 100ml tubes; consult product datasheet for specific tube dimensions, materials compatibility, and available adapter options for smaller volumes.
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