MKN Mini-80 Palm-Sized Microcentrifuge
| Brand | MKN |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Mini-80 |
| Relative Centrifugal Force (RCF) | 2300 × g |
| Max Speed | 8000 rpm |
| Noise Level | <50 dB(A) |
| Capacity | 6 × 1.5/2.0 mL tubes |
| Optional Rotors | 2 × 8 × 0.2 mL PCR strip rotor, 6 × 0.2 mL adapters, 6 × 0.5 mL adapters |
Overview
The MKN Mini-80 Palm-Sized Microcentrifuge is a compact, benchtop-ready centrifugation instrument engineered for rapid, low-volume sample processing in molecular biology, clinical diagnostics, and analytical chemistry laboratories. Utilizing a brushless DC motor and precision-balanced carbon-fiber rotor assembly, the device delivers consistent rotational stability and thermal efficiency at speeds up to 8000 rpm. Its operation is based on the principle of sedimentation under centrifugal force—generating a maximum relative centrifugal force (RCF) of 2300 × g—to separate particulates, cellular debris, precipitated nucleic acids, or protein pellets from small-volume liquid phases. Designed explicitly for point-of-use applications—including PCR setup, spin-down of column-based purification kits, and microsample clarification—the Mini-80 eliminates the need to transport samples to centralized centrifuge facilities, thereby reducing cross-contamination risk and improving workflow continuity.
Key Features
- Ultra-compact footprint (12.5 × 10.2 × 11.0 cm) and lightweight construction (<0.9 kg), enabling placement directly beside pipettes, thermocyclers, or biosafety cabinets without occupying critical bench space.
- Patented acoustic damping architecture with vibration-isolating housing and optimized rotor dynamics ensures operational noise remains below 50 dB(A) — compliant with ISO 7779 and compatible with quiet-zone laboratory environments.
- Carbon-fiber composite rotor offers high tensile strength-to-weight ratio, corrosion resistance, and long-term dimensional stability under repeated thermal cycling and mechanical stress.
- Dual-speed selection (7000 rpm / 8000 rpm) with instant acceleration and deceleration profiles (0–8000 rpm in <8 s; full stop in <12 s), minimizing run time without compromising pelleting integrity.
- Integrated safety interlock system prevents lid opening during rotation; automatic rotor recognition disables operation if incompatible accessories are installed.
Sample Compatibility & Compliance
The Mini-80 supports standardized microtube formats essential for modern life science workflows: six 1.5 mL or 2.0 mL conical tubes per run, or dual 8-position PCR strip rotors for parallel processing of thermal cycling products. Optional adapter sets accommodate 0.2 mL and 0.5 mL tubes, ensuring compatibility with most commercial spin columns, filter devices, and capillary-based assays. All rotors are certified to IEC 61010-1:2010 for electrical safety and EN 61326-1:2013 for electromagnetic compatibility. The instrument meets general requirements for GLP-compliant environments when used with documented operating procedures and routine performance verification (e.g., speed calibration using tachometer traceability to NIST standards).
Software & Data Management
As a standalone, non-programmable centrifuge, the Mini-80 operates via tactile push-button controls with LED status indicators—eliminating software dependencies, firmware updates, or data logging overhead. This design aligns with FDA 21 CFR Part 11 guidance for instruments where electronic records are not generated, simplifying validation pathways in regulated QC/QA labs. No USB, Bluetooth, or network interfaces are present; all operational parameters are fixed at factory calibration. Maintenance logs and usage records may be maintained manually per institutional SOPs, supporting audit readiness for ISO/IEC 17025 or CAP-accredited facilities.
Applications
- Routine spin-down of DNA/RNA extraction columns prior to elution steps.
- Quick sedimentation of enzymatic reaction mixtures (e.g., restriction digests, ligations) before electrophoresis loading.
- Clarification of bacterial lysates or tissue homogenates in microscale preparative workflows.
- Centrifugal separation of magnetic beads in automated immunoassay protocols.
- Microvolume solvent extraction and phase separation in analytical sample preparation (e.g., LC-MS, GC-MS).
- Field-deployable use in mobile diagnostic units or resource-limited settings requiring battery-independent, low-power instrumentation.
FAQ
What is the maximum RCF achievable with the standard 6-tube rotor?
The Mini-80 achieves a maximum RCF of 2300 × g when operating at 8000 rpm with the 1.5/2.0 mL rotor.
Is the Mini-80 suitable for use with aerosol-tight tube caps?
Yes—rotor geometry and lid seal design maintain containment integrity for capped microtubes rated to 12,000 × g, well above the unit’s operational ceiling.
Does the instrument require routine rotor balancing?
No—pre-balanced carbon-fiber rotors are factory-calibrated and do not require user balancing; symmetrical tube loading (e.g., even-numbered configurations) is recommended for optimal longevity.
Can the Mini-80 be operated continuously for extended periods?
It is rated for intermittent duty cycles (≤15 min ON / ≥5 min OFF); continuous operation beyond 20 minutes requires ambient temperature ≤25 °C and unobstructed ventilation.
Are replacement rotors and adapters available through international distribution channels?
Yes—MKN-certified consumables (P/N: MINI-ROT-15, MINI-ADP-02, MINI-ADP-05) are distributed globally via authorized partners with CE marking and RoHS compliance documentation.
