MKN XYJ-2 Benchtop High-Speed Centrifuge

Overview

The MKN XYJ-2 Benchtop High-Speed Centrifuge is a compact, high-performance laboratory centrifuge engineered for rapid and reproducible separation of biological and chemical samples via sedimentation under controlled rotational forces. It operates on the principle of centrifugal force generation—rotating sample containers at precisely regulated angular velocities to accelerate phase separation based on density differentials. With a maximum rotational speed of 16,000 rpm and an achievable RCF of 17,000 × g, the XYJ-2 delivers sufficient acceleration for routine pelleting of cellular components, microorganisms, subcellular organelles, and macromolecular complexes. Its brushless DC motor ensures stable torque delivery across the full speed range, while the integrated automatic dynamic balancing system minimizes vibration during operation—even with minor tube weight mismatches—enhancing rotor longevity and operational safety.

Key Features

• Stepless speed control (0–16,000 rpm) with digital setpoint adjustment and real-time RPM/RCF display
• Programmable timer (0–30 minutes) with auto-brake and audible end-of-run signal
• Anodized aluminum alloy rotor designed for mechanical robustness, thermal stability, and corrosion resistance
• Low-noise operation (≤60 dB[A]) achieved through optimized airflow design and precision-balanced rotating assembly
• Compact footprint suitable for standard laboratory benchtops; no external cooling required
• Over-speed, over-temperature, and imbalance detection circuits compliant with IEC 61010-1 safety standards
• Intuitive membrane keypad interface with LED status indicators for speed, time, and error conditions

Sample Compatibility & Compliance

The XYJ-2 accommodates standard microcentrifuge tubes (1.5 mL), supporting common applications in clinical diagnostics, molecular biology, and analytical chemistry workflows. The rotor geometry is optimized for uniform radial distribution of centrifugal force, ensuring consistent pelleting efficiency across all positions. All electrical and mechanical components meet CE marking requirements under Directive 2014/30/EU (EMC) and 2014/35/EU (LVD). While not refrigerated, the unit’s low thermal load and passive heat dissipation allow uninterrupted operation for durations typical of short-cycle protocols (e.g., nucleic acid precipitation, serum separation, or bacterial pellet harvesting). It is validated for use in GLP-compliant environments where non-refrigerated high-speed separation is acceptable per SOP-defined parameters.

Software & Data Management

The XYJ-2 is a standalone instrument without embedded data logging or PC connectivity. However, its operational parameters—including speed, time, and run completion status—are retained in volatile memory until power-down. For laboratories requiring audit trails or electronic recordkeeping, integration with external lab information management systems (LIMS) can be implemented via manual entry or barcode-scanned protocol templates. The device supports 21 CFR Part 11–compliant documentation when used in conjunction with validated procedural controls (e.g., operator sign-off logs, pre-run checklists, and post-run verification forms). Firmware updates are not field-upgradable; calibration and performance verification must be performed annually by authorized service personnel using traceable tachometric and torque reference standards.

Applications

• Routine preparation of serum, plasma, and whole blood fractions in clinical and point-of-care laboratories
• Clarification of cell lysates and isolation of nuclei, mitochondria, or ribosomes in basic research settings
• Concentration and recovery of DNA, RNA, and proteins following ethanol or isopropanol precipitation
• Separation of immunoassay reagents, antigen-antibody complexes, and latex agglutination suspensions
• Preparative centrifugation of nanoparticles, colloidal dispersions, and polymer emulsions in materials science labs
• Quality control testing of pharmaceutical suspensions and injectables per USP and EP 2.9.30

FAQ

What is the maximum relative centrifugal force (RCF) achievable with the XYJ-2?
The XYJ-2 generates up to 17,000 × g at its rated maximum speed of 16,000 rpm with the supplied 12-position rotor.
Does the XYJ-2 include refrigeration?
No—the XYJ-2 is a non-refrigerated centrifuge. It relies on ambient air convection and low-power motor design to limit temperature rise during standard operation cycles.
Is rotor calibration traceable to national standards?
Yes—factory-calibrated rotors are verified against NIST-traceable tachometers and certified prior to shipment. Annual recalibration is recommended for GxP-regulated environments.
Can the XYJ-2 accommodate 0.5 mL or 2.0 mL tubes?
Only 1.5 mL microcentrifuge tubes are supported without adapters. Use of non-specified tube sizes may compromise balance integrity and void warranty coverage.
What safety certifications does the XYJ-2 hold?
It conforms to IEC 61010-1:2010 for electrical safety in laboratory equipment and carries CE marking for the European Economic Area.