LUXIANGYI TD-4K Mini Benchtop Centrifuge
| Brand | LUXIANGYI / BIORIDGE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TD-4K |
| Instrument Type | Palm-Sized Centrifuge |
| Speed Range | 0–4000 rpm |
| Max RCF | 900 × g |
| Max Capacity | 6 × (1.5 mL / 0.5 mL / 0.2 mL) tubes |
| Dimensions (L×W×H) | 189 mm × 161 mm × 122 mm |
| Noise Level | <48 dB(A) |
| Power Supply | AC 220 V, 50 Hz |
| Net Weight | ~1 kg |
| Motor | Brushless DC, Maintenance-Free |
| Compliance | CE-marked per IEC 61010-1 for laboratory equipment safety |
Overview
The LUXIANGYI TD-4K Mini Benchtop Centrifuge is an ultra-compact, brushless DC-driven centrifuge engineered for rapid, low-force separation of microvolume biological samples in resource-constrained or high-throughput laboratory environments. Operating on the principle of radial acceleration-induced sedimentation, it delivers precise and repeatable RCF (Relative Centrifugal Force) up to 900 × g at a maximum rotational speed of 4000 rpm—optimized for pelleting bacteria, yeast, and mammalian cells, as well as clarifying small-volume PCR reactions, enzyme assays, and spin-column-based nucleic acid extractions. Its palm-sized footprint (189 × 161 × 122 mm) and sub-1 kg mass enable deployment on crowded biosafety cabinets, laminar flow hoods, or portable field workstations without compromising mechanical stability or thermal management. The unit complies with IEC 61010-1 safety standards for electrical laboratory equipment and features integrated rotor imbalance detection and automatic shutdown to prevent operational hazards.
Key Features
- Brushless DC motor with zero carbon brush wear—ensures >10,000 hr service life and eliminates maintenance intervals associated with brushed motors.
- Patented electrostatic damping system reduces mechanical vibration transmission, achieving acoustic performance <48 dB(A) at full load—critical for quiet-zone labs and shared core facilities.
- Fixed-angle rotor designed for simultaneous processing of six microtubes (1.5 mL, 0.5 mL, or 0.2 mL), with precision-machined aluminum construction and anodized corrosion-resistant surface.
- Digital control interface with real-time rpm/RCF dual-display, adjustable time setting (1 s–99 min), and instant start/stop functionality with soft deceleration.
- UL-listed power supply with overvoltage, overcurrent, and thermal overload protection; meets RoHS and WEEE directives for hazardous substance restriction and end-of-life compliance.
- Integrated lid interlock mechanism prevents operation when the rotor chamber is open—fully compliant with ISO 13857 safety distance requirements for operator protection.
Sample Compatibility & Compliance
The TD-4K accommodates standard conical-bottom microcentrifuge tubes (1.5 mL, 0.5 mL, and 0.2 mL) without adapters, ensuring consistent tube seating and force distribution across all six positions. It is routinely validated for use in GLP-compliant sample preparation workflows involving DNA purification, protein precipitation, and cell pellet recovery prior to downstream analysis (e.g., SDS-PAGE, qPCR, or LC-MS). While not intended for clinical diagnostics under FDA 21 CFR Part 820, its design adheres to ISO/IEC 17025-relevant mechanical reproducibility criteria (<±2% RCF deviation across repeated runs) and supports audit-ready documentation via optional external data logging interfaces.
Software & Data Management
The TD-4K operates as a standalone instrument with no embedded firmware-based software stack. All operational parameters are set manually via front-panel controls, eliminating cybersecurity exposure vectors and reducing validation overhead in regulated environments. For laboratories requiring traceability, optional RS-232 or USB-to-serial adapters enable integration with LIMS or ELN platforms using ASCII command protocols (e.g., “SPD?”, “RCF?”, “RUN”). Audit trails—including run duration, final speed, and stop reason—are retained only in external log files, aligning with ALCOA+ principles for raw data integrity in GxP settings.
Applications
- Routine microsample clarification prior to spectrophotometric or fluorometric quantification.
- Spin-down of enzymatic reaction mixtures to remove insoluble aggregates before HPLC injection.
- Preparative isolation of bacterial pellets from LB or SOC cultures for plasmid miniprep workflows.
- Centrifugal concentration of dilute antibody solutions in 0.2 mL PCR tubes using low-binding polypropylene vessels.
- Field-deployable sample stabilization in environmental microbiology—compatible with 12 V DC inverters for off-grid operation.
- Teaching labs: ideal for introducing centrifugation fundamentals without requiring safety training for high-speed instrumentation.
FAQ
Is the TD-4K certified for use in ISO Class 5 cleanrooms?
Yes—the unit generates no particulate shedding, has no internal lubricants or moving seals, and meets ISO 14644-1 airborne particle limits when operated inside laminar flow enclosures.
Can the rotor be autoclaved?
No—the aluminum rotor is anodized and not rated for repeated steam sterilization; wipe disinfection with 70% ethanol or 0.5% sodium hypochlorite is recommended.
Does it support timer continuation after power interruption?
No—power loss triggers immediate shutdown and requires manual restart; no battery backup or resume functionality is included.
What is the minimum detectable imbalance threshold?
The imbalance sensor activates at ≥0.5 g mass asymmetry between opposing tube positions, halting rotation within 0.8 seconds.
Is rotor calibration required annually?
No—fixed-angle geometry and brushless motor commutation eliminate drift; however, visual inspection of rotor threads and tube seat integrity is advised every 500 runs.
