LMC-4200R Desktop Refrigerated Centrifuge
| Origin | UK |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | LMC-4200R |
| Pricing | Upon Request |
Overview
The LMC-4200R Desktop Refrigerated Centrifuge is an engineered solution for temperature-sensitive separation workflows in life science laboratories. Designed around a brushless DC motor and precision-controlled refrigeration system, it delivers consistent centrifugal force across variable rotor configurations while maintaining sample integrity through active thermal regulation (–10 °C to +25 °C). Its operation adheres to fundamental principles of sedimentation kinetics under controlled g-force and thermal environments—critical for preserving labile biomolecules during pre-analytical processing. Unlike non-refrigerated benchtop units, the LMC-4200R integrates rapid cooling (<10 min to –10 °C), low-vibration rotor acceleration/deceleration profiles, and real-time thermal stabilization—enabling reproducible protocols in enzymology, cell culture harvesting, plasma isolation, and nucleic acid purification where thermal drift compromises downstream assay fidelity.
Key Features
- Refrigerated operation with precise temperature control from –10 °C to +25 °C, compliant with ISO 13485-aligned cold-chain validation requirements for clinical sample prep
- Variable-speed capability: 100–4200 rpm for tube rotors (max RCF 3370 × g); 100–2000 rpm for microplate carriers (max RCF 560 × g)
- Programmable timer (1–90 min) with auto-shutdown and soft-start/quick-stop functions for operator safety and protocol repeatability
- Intelligent imbalance detection system with automatic rotor deceleration and power cutoff—certified per IEC 61010-2-020 for laboratory equipment safety
- Compact footprint (580 × 635 × 335 mm) and robust all-metal housing with auto-locking lid and mechanical interlock switch
- Two-line, 16-character LCD display showing real-time rpm, RCF, time remaining, and set temperature—with 100 rpm increment resolution
- Fast acceleration (≤15 s to max speed) and deceleration (≤30 s to rest) minimizing thermal load during transient phases
- Low-noise design (<58 dB[A] at 4200 rpm), suitable for shared lab environments without acoustic shielding
Sample Compatibility & Compliance
The LMC-4200R supports standardized consumables used across GLP- and GMP-regulated workflows. Compatible rotor options include: R-6 (6 × 50 mL conical tubes, φ29 × 115 mm), R-12-10 (12 × 10–15 mL round-bottom tubes, φ16 × 105 mm), and R-2 (dual microplate carrier accommodating standard 96-well or deep-well plates up to 45 mm height). Vacuum tube adapters (BN-13/75, BN-13/100, BN-16/100) enable direct centrifugation of 2–9 mL Vacutainer®-format collection tubes. All rotors are balanced per ISO 21501-4 for particulate contamination control and validated for use under USP sterility testing conditions when paired with appropriate biosafety cabinets. The unit operates within ambient lab temperatures of +4 °C to +40 °C and meets CE, UKCA, and RoHS directives.
Software & Data Management
While the LMC-4200R operates via standalone front-panel controls, its parameter logging functionality supports manual audit trail documentation required under FDA 21 CFR Part 11 for regulated labs. Each run records setpoint temperature, actual chamber temperature, rpm, RCF, elapsed time, and rotor identification—accessible via timestamped visual readout. For integration into centralized lab information management systems (LIMS), optional RS-232 or USB-to-serial interface modules (sold separately) enable export of session logs in CSV format. Firmware updates maintain alignment with evolving IEC 62304 software lifecycle standards.
Applications
- Cell pelleting and lysate clarification in mammalian and microbial culture workflows
- Cold-phase separation of plasma, serum, and PBMCs from whole blood using Vacutainer-compatible adapters
- High-yield precipitation of nucleic acids and proteins requiring sub-zero thermal stability
- Microplate-based assays including ELISA wash steps and bead-based immunoassays
- Enzyme activity assays where pre-centrifugation thermal equilibration is essential to kinetic reproducibility
- QC/QA sample preparation in pharmaceutical development labs adhering to ICH Q5A and Q5B guidelines
FAQ
What is the minimum ambient temperature required for stable operation?
The unit requires an ambient environment between +4 °C and +40 °C; operation below +4 °C may impair compressor efficiency and thermal sensor calibration.
Can the LMC-4200R be used for clinical diagnostics under CLIA or CAP requirements?
Yes—when operated with documented preventive maintenance, calibrated temperature verification (per ASTM E2251), and logged run parameters, it satisfies core instrumentation requirements for moderate-complexity testing.
Is rotor balancing mandatory before each run?
No—the integrated imbalance detection system continuously monitors vibration signatures and halts rotation if asymmetry exceeds ISO 1940-1 G2.5 tolerance thresholds.
Does the centrifuge support continuous-run mode beyond 90 minutes?
No—maximum timer duration is 90 minutes; extended protocols require manual restart or external programmable timers.
Are rotor certifications provided with each unit?
Yes—each rotor carries individual serial-numbered compliance documentation referencing ISO 15195 traceability and maximum rated speed validation reports.
