Sovall X4R Pro-MD Centrifuge by Thermo Fisher Scientific
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | Shanghai, China |
| Model | Sovall X4R Pro-MD |
| Configuration | Floor-standing or benchtop, refrigerated |
| Maximum RCF (fixed-angle) | >25,000 × g |
| Maximum RCF (swing-bucket) | >7,000 × g |
| Capacity | 1.6 L (4 × 400 mL) or 4 L (4 × 1000 mL) |
Overview
The Sovall X4R Pro-MD Centrifuge is a high-performance, refrigerated floor-standing centrifuge engineered by Thermo Fisher Scientific for demanding separation workflows in biopharmaceutical manufacturing, academic research laboratories, and clinical diagnostics environments. It operates on the principle of sedimentation under controlled gravitational force—quantified as relative centrifugal force (RCF)—to separate heterogeneous mixtures based on particle density, size, and shape. With a maximum fixed-angle RCF exceeding 25,000 × g and swing-bucket RCF above 7,000 × g, the X4R Pro-MD delivers reproducible pelleting, clarification, and density-gradient separations across diverse sample types—including mammalian cell lysates, viral vectors, exosomes, plasma fractions, and large-volume bioprocess harvests. Its modular architecture supports both 1.6 L (4 × 400 mL) and 4 L (4 × 1000 mL) configurations, enabling scalable operation from pilot-scale process development to GMP-aligned production support.
Key Features
- Refrigerated operation with precise temperature control (–9 °C to +40 °C), maintaining sample integrity during extended runs
- Auto-Lock™ rotor coupling mechanism: tool-free, one-button rotor installation and removal completed in under three seconds—reducing mechanical wear and operator fatigue
- Fiberlite™ carbon fiber rotors: lightweight, corrosion-resistant, and rated for higher rotational speeds than equivalent aluminum or titanium rotors; backed by a 15-year limited warranty
- Integrated bio-containment sealing system: independently validated by the UK Defence Science and Technology Laboratory (Dstl) at Porton Down for containment of Risk Group 2 and selected Risk Group 3 biological agents
- Intuitive 7-inch capacitive touchscreen interface with real-time status icons, pre-set temperature shortcuts, and contextual help prompts
- Ergonomic chamber access design with unobstructed rotor cavity visibility and smooth-lift door mechanism for rapid cleaning and reduced cross-contamination risk
- Compliance-ready firmware supporting audit trail generation, user-level access control, and electronic signature capability per FDA 21 CFR Part 11 requirements
Sample Compatibility & Compliance
The X4R Pro-MD accommodates a broad spectrum of primary and secondary containment vessels—including conical-bottom polypropylene tubes (up to 1000 mL), sealed centrifuge bottles, and custom bioprocessing bags with compatible adapters. All rotor configurations are validated for use with ISO-standardized tube dimensions and material compatibility (e.g., polycarbonate, polypropylene, stainless steel). The system meets IEC 61010-1:2010 safety standards for laboratory equipment and conforms to EN 61326-1:2013 electromagnetic compatibility requirements. For regulated environments, it supports GLP and GMP documentation workflows through optional IQ/OQ/PQ validation packages aligned with ASTM E2500 and ISO/IEC 17025 guidelines.
Software & Data Management
Control and monitoring are managed via Thermo Scientific™ CentriLog™ software (v3.2+), which enables method library management, remote run initiation, and automated data export in CSV, PDF, or XML formats. Each centrifugation cycle logs timestamped parameters—including speed, RCF, temperature, run time, acceleration/deceleration profiles, and rotor identification—stored locally with tamper-evident encryption. Audit trail functionality records all user actions, parameter modifications, and system alerts, satisfying traceability requirements under FDA 21 CFR Part 11 and EU Annex 11. Integration with laboratory information management systems (LIMS) is supported via HL7 and RESTful API protocols.
Applications
- Clarification of CHO and HEK293 cell culture harvests prior to downstream chromatography
- Isolation of extracellular vesicles (EVs) and exosomes using differential ultracentrifugation protocols
- Large-volume plasma fractionation for therapeutic protein recovery
- Viral vector purification (AAV, lentivirus) in gene therapy process development
- Microbial pellet harvesting in vaccine manufacturing and QC testing
- Preparative separation of organelles (mitochondria, nuclei) in cell biology studies
- Environmental microbiology: concentration of waterborne pathogens for detection assays
FAQ
Is the Sovall X4R Pro-MD compliant with FDA 21 CFR Part 11 for electronic records and signatures?
Yes—when configured with CentriLog™ software v3.2 or later and enabled audit trail settings, the system meets technical and procedural requirements for electronic records retention and signed approvals.
Can Fiberlite™ rotors be autoclaved?
No—carbon fiber rotors are not autoclavable. Sterilization must be performed using validated chemical methods (e.g., 70% ethanol, hydrogen peroxide vapor) per Thermo Fisher’s Material Safety Data Sheet (MSDS) guidance.
What validation documentation is available for GMP environments?
Thermo Fisher provides standardized IQ/OQ protocols, calibration certificates traceable to NIST standards, and risk-based PQ templates for common applications such as viral vector processing and plasma fractionation.
Does the system support third-party rotor compatibility?
Only Thermo Fisher–certified rotors and adapters are supported to ensure mechanical integrity, thermal performance, and compliance with safety certifications.
How is temperature uniformity verified across the rotor chamber?
Temperature mapping is conducted per ISO/IEC 17025 during factory qualification and includes ≥9 thermocouple points across loaded and unloaded conditions, with deviation limits of ±1.5 °C at setpoint.
