HUXI HL-6KS Palm-Sized Centrifuge

Overview

The HUXI HL-6KS Palm-Sized Centrifuge is a compact, high-efficiency benchtop centrifuge engineered for rapid, reliable micro-volume separation in routine laboratory workflows. Designed around the principles of fixed-angle centrifugation—where sample tubes are held at a fixed angle (typically 45°) relative to the rotational axis—the HL-6KS generates consistent radial acceleration to sediment particles based on size, density, and viscosity differences. Its optimized rotor geometry and precisely balanced brushless DC motor ensure stable operation at up to 6,000 rpm, delivering a maximum relative centrifugal force (RCF) of 2,100 × g—sufficient for pelleting cellular debris, precipitating nucleic acids, concentrating proteins, and clarifying small-volume reagents. The unit’s footprint (175 × 135 × 120 mm) and lightweight construction (1.5 kg) make it ideal for crowded fume hoods, biosafety cabinets, cold rooms, or mobile lab setups where space and portability are critical constraints.

Key Features

• Compact palm-sized form factor with ergonomic semi-automatic lid actuation—motor stops within 3 seconds of lid opening, meeting IEC 61010-1 safety requirements for operator protection.
• Fixed-angle rotor configuration supporting dual tube formats: eight 1.5 mL or 2.0 mL microcentrifuge tubes, or eight 4-strip PCR tubes (0.2 mL each), enabling parallel processing without cross-contamination risk.
• Brushless DC motor ensures low maintenance, extended service life (>10,000 hr MTBF), and consistent torque delivery across voltage fluctuations (100–240 V AC, 50/60 Hz).
• Integrated dual braking system with mechanical and electromagnetic components enables controlled deceleration and eliminates coast-down delay—critical for workflow continuity and thermal stability of temperature-sensitive samples.
• Transparent spherical polycarbonate lid provides full visual monitoring during operation while maintaining acoustic shielding (<55 dB[A] at 1 m distance) and structural integrity per EN 61000-6-3 EMC standards.
• Lid-integrated safety interlock prevents rotation unless fully closed and latched; rotor retention mechanism uses precision-machined snap-fit grooves for tool-free, repeatable installation and removal.

Sample Compatibility & Compliance

The HL-6KS is validated for use with standard polypropylene microcentrifuge tubes (1.5 mL and 2.0 mL) and thin-walled PCR strips conforming to ANSI/SBS standards. It supports common biomolecular protocols including DNA/RNA extraction, enzyme reaction termination, spin-column purification, and cell lysate clarification. The device complies with international electrical safety standards IEC 61010-1 (Laboratory Equipment), electromagnetic compatibility (EMC) standard EN 61000-6-3, and RoHS Directive 2011/65/EU. While not certified for clinical diagnostics under ISO 13485 or FDA 21 CFR Part 820, its design aligns with GLP-aligned documentation practices—including audit-ready timer logs and rotor usage tracking when paired with optional external data capture systems.

Software & Data Management

The HL-6KS operates via an embedded hardware controller with no onboard software stack or network interface. All operational parameters—including speed (rpm), RCF (×g), run time (1–99 min or continuous), and status indicators—are managed through a tactile push-button interface with LED feedback. For laboratories requiring traceable operation records, integration with LIMS or ELN platforms is achieved externally via serial TTL output (optional RS-232 adapter) or manual entry of timestamped run logs. The absence of internal storage or user accounts ensures compliance with environments restricting firmware-updatable devices—particularly relevant in regulated QC labs operating under GMP Annex 11 or USP analytical instrument qualification frameworks.

Applications

• Routine nucleic acid purification workflows involving spin-column binding and wash steps.
• Pre-centrifugation of reagent stocks (e.g., restriction enzymes, ligases, polymerases) to prevent precipitation and ensure homogeneity.
• Removal of insoluble aggregates from antibody solutions prior to filtration or dilution.
• High-throughput PCR setup requiring rapid pelleting of master mix components into tube bottoms before thermal cycling.
• Field-deployable sample preparation in environmental monitoring or food safety screening where mains power may be intermittent or limited.
• Teaching laboratories emphasizing hands-on centrifugation fundamentals with minimal training overhead and inherent safety safeguards.

FAQ

What tube formats are compatible with the HL-6KS rotor?
The standard rotor accepts eight 1.5 mL or 2.0 mL conical microcentrifuge tubes (ISO 10993-compliant PP), or eight 4-position 0.2 mL PCR strip carriers (ANSI/SBS-108 compliant). Adapters for 0.5 mL tubes are not included but may be sourced separately.
Is the HL-6KS suitable for centrifuging hazardous biological samples?
It is designed for BSL-1 and BSL-2 applications only. Use requires containment-compatible tube caps and adherence to institutional biosafety protocols; no aerosol-tight sealing or biocontainment certification is provided.
Can the centrifuge be operated continuously for extended periods?
Yes—the motor and thermal management system support uninterrupted operation up to 99 minutes or indefinitely in continuous mode, with internal temperature rise remaining below 15 °C above ambient after 60 minutes at max speed.
Does the HL-6KS meet regulatory requirements for pharmaceutical quality control?
It satisfies general electrical safety and EMC requirements for laboratory equipment but lacks 21 CFR Part 11-compliant audit trails, electronic signatures, or calibration certificate traceability—thus requiring supplementary procedural controls for GxP environments.
How is rotor imbalance detected and mitigated?
Vibration sensing circuitry triggers automatic shutdown if acceleration exceeds 0.5 g RMS during spin-up; rotor seating is verified mechanically via positive-click engagement and visually confirmed through the transparent lid before initiation.