WIGGENS MINICEN 20 Benchtop Microcentrifuge
| Brand | WIGGENS |
|---|---|
| Origin | Germany |
| Model | MINICEN 20 |
| Maximum Speed | 15,000 rpm |
| Maximum RCF | 15,596 × g |
| Capacity | ≤12 × 1.5–2.0 mL tubes |
| Rotor Compatibility | 0.2–0.4 mL, 0.5–0.6 mL, and 1.5–2.0 mL microtubes |
| Speed Increment | 100 rpm / 100 × g |
| Timer Range | 30 s to 999 min (1 s increment) |
| Noise Level | <60 dB(A) |
| Dimensions (W×D×H) | 226 × 230 × 130 mm |
| Net Weight | 4 kg |
| Power Supply | 230–110 V, 50–60 Hz |
| Power Consumption | 180 W |
| Safety Certification | CE-marked |
| Rotor & Adapters | Autoclavable (121 °C, 20 min) |
| Motor | Brushless DC, maintenance-free |
| Display | LCD showing rpm, RCF, time remaining, lid status, and rotor rotation direction |
Overview
The WIGGENS MINICEN 20 is a compact, high-performance benchtop microcentrifuge engineered for precision, safety, and operational efficiency in molecular biology, clinical diagnostics, and pharmaceutical quality control laboratories. Utilizing brushless DC motor technology and optimized aerodynamic rotor design, the MINICEN 20 delivers consistent rotational acceleration up to 15,000 rpm and a maximum relative centrifugal force (RCF) of 15,596 × g—sufficient for rapid pelleting of nucleic acids, proteins, cell debris, and small-volume particulates in standard microcentrifuge tubes (0.2–2.0 mL). Its footprint of just 226 × 230 mm and net weight of 4 kg make it ideal for space-constrained environments including biosafety cabinets, laminar flow hoods, and shared core facilities. The device operates under strict thermal management via forced internal air circulation, minimizing temperature rise during extended runs—a critical factor for heat-sensitive samples such as enzymatic reactions or RNA preparations.
Key Features
- Intuitive LCD interface displaying real-time rpm, RCF, countdown timer, lid status, and rotational direction—enabling full parameter visibility without interrupting operation.
- Precise digital speed control with 100 rpm and 100 × g increments, allowing fine-tuned optimization for protocol-specific sedimentation requirements.
- Programmable timer spanning 30 seconds to 999 minutes (1-second resolution), supporting both single-step and multi-step protocols with pause functionality.
- Integrated acoustic feedback system: distinct tones indicate start, acceleration completion, deceleration onset, and end-of-run—complementing visual status cues for hands-free monitoring.
- Automatic lid locking mechanism compliant with IEC 61010-2-020 safety standards; includes mechanical interlock, emergency manual release, anti-drop lid support, and transparent viewing window for sample verification.
- Dynamic imbalance detection algorithm halts operation immediately upon detecting ≥0.5 g mass asymmetry—preventing mechanical stress and ensuring long-term rotor integrity.
- Autoclavable aluminum rotor and tube adapters (validated at 121 °C, 20 min, 1 bar), facilitating rapid decontamination between runs in GLP/GMP or diagnostic workflows.
Sample Compatibility & Compliance
The MINICEN 20 accommodates common microtube formats—including PCR strips, individual 0.2–0.4 mL tubes, standard 0.5–0.6 mL microtubes, and 1.5–2.0 mL conical tubes—with optional adapters enabling flexible configuration. Its rotor geometry ensures uniform radial distribution and minimal vibration across all load conditions. The instrument complies with EU Directive 2014/30/EU (EMC), 2014/35/EU (LVD), and carries CE marking for laboratory equipment. It meets essential requirements for safe operation under ISO/IEC 17025-accredited testing environments and supports audit-ready documentation when integrated into FDA 21 CFR Part 11–aligned workflows via USB data export.
Software & Data Management
While the MINICEN 20 operates as a standalone unit, its USB interface enables direct connection to Windows- or macOS-based PCs for firmware updates and parameter logging. Exported run logs include timestamp, setpoint values (rpm/RCF/time), actual measured parameters, and event flags (e.g., lid open, imbalance stop, power interruption). These CSV-formatted records are compatible with LIMS integration and satisfy traceability requirements in regulated settings where electronic records must adhere to ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available).
Applications
- Routine nucleic acid purification (plasmid preps, column-based DNA/RNA isolation)
- Microscale protein precipitation and desalting
- Cellular organelle fractionation in sub-milliliter volumes
- Centrifugal concentration of dilute biomolecular solutions
- Pre-analytical sample preparation for HPLC, LC-MS, and ELISA workflows
- Quality control testing of reagent stability and suspension homogeneity
FAQ
Is the MINICEN 20 suitable for use inside a biosafety cabinet?
Yes—the unit’s low noise (<60 dB[A]) and compact dimensions allow safe placement within Class II A2 cabinets without compromising airflow integrity or operator ergonomics.
Can rotor calibration be performed in-house?
No routine user calibration is required; however, periodic verification using NIST-traceable tachometers is recommended every 12 months per ISO/IEC 17025 guidelines.
Does the centrifuge retain user settings after power loss?
Yes—last-used parameters (speed, time, RCF mode) are automatically stored in non-volatile memory and recalled at next startup.
What maintenance is required for the brushless motor?
None—brushless DC motors eliminate carbon brush wear and commutator cleaning, reducing scheduled maintenance to annual visual inspection and cleaning of air intake filters.
Are third-party rotors or adapters supported?
No—only WIGGENS-certified rotors and adapters are validated for mechanical compatibility, balance performance, and autoclave durability; use of non-OEM components voids warranty and compromises safety certification.
