Hettich EBA280 Benchtop Centrifuge
| Brand | Hettich |
|---|---|
| Origin | Germany |
| Model | EBA280 |
| Type | Benchtop Centrifuge |
| Maximum Speed | 6000 min⁻¹ |
| Maximum RCF | 4146 × g |
| Maximum Capacity | 6 × 50 mL |
| Dimensions (H×W×D) | 242 × 326 × 400 mm |
| Weight | 12 kg |
| Power Supply | 200–240 V, 50–60 Hz |
| Power Consumption | 185 VA |
| Electromagnetic Compatibility | EN/IEC 61326-1, Class B |
| Timer Range | 1 s to 99 min 59 s + ∞ (continuous) + short-spin mode |
Overview
The Hettich EBA280 is a compact, high-reliability benchtop centrifuge engineered for routine separation tasks in academic, clinical, and industrial laboratories. Operating on the principle of sedimentation under controlled rotational force, it delivers consistent acceleration profiles across a defined speed range (up to 6000 min⁻¹) to separate heterogeneous mixtures—such as blood components, cell suspensions, precipitated proteins, or particulate contaminants—based on density and particle size. Its robust mechanical architecture integrates a brushless DC motor, precision-machined rotor interface, and passive thermal management to ensure long-term operational stability without active cooling. Designed for daily use in environments where space, safety, and reproducibility are critical, the EBA280 meets fundamental requirements for GLP-compliant sample preparation workflows.
Key Features
- Intelligent rotor recognition system automatically detects installed angular rotors and enforces speed limits based on rotor-specific safety parameters.
- Reinforced metal housing with scratch- and impact-resistant coating ensures durability in high-traffic lab settings; stainless steel centrifuge chamber resists corrosion from common reagents and cleaning agents.
- Integrated safety mechanisms include automatic imbalance detection with immediate deceleration, lid interlock with mechanical and electronic redundancy, and real-time monitoring of motor current and temperature.
- Large, backlit LCD display shows actual RPM, RCF, remaining time, and elapsed time during operation—enabling precise process verification without opening the lid.
- Transparent polycarbonate lid window allows visual confirmation of sample integrity and rotor motion while maintaining full safety compliance during operation.
- Flexible timing options include programmable duration (1 second to 99 minutes 59 seconds), continuous mode (∞), and short-spin (pulse) function for rapid pelleting or mixing steps.
Sample Compatibility & Compliance
The EBA280 accommodates standard conical-bottom tubes up to 50 mL in volume when used with its optional 6-place angular rotor (e.g., rotor 1101-1). Compatible tube materials include polypropylene (PP), polycarbonate (PC), and glass—subject to manufacturer-specified maximum fill levels and balance tolerances. The unit complies with essential European directives including EN 61010-1 (safety of laboratory equipment) and EN/IEC 61326-1 (EMC for measurement and control equipment, Class B). While not certified for biosafety containment (e.g., BSL-2), it supports pre-centrifugation sample handling in accordance with ISO 15189 and CLIA-aligned quality systems when integrated into validated SOPs.
Software & Data Management
The EBA280 operates via an embedded microcontroller-based control system with no external software dependency. All operational parameters—including speed, time, and acceleration/deceleration profiles—are stored in non-volatile memory and recalled upon power-up. Though lacking network connectivity or digital audit trail capabilities, its deterministic behavior and mechanical repeatability support manual record-keeping aligned with FDA 21 CFR Part 11 Annex A guidelines for paper-based or hybrid documentation systems. For labs requiring electronic data capture, integration with LIMS via serial output (RS-232 optional accessory) enables timestamped event logging of start/stop commands and error codes.
Applications
- Routine plasma and serum separation from whole blood samples in clinical diagnostics.
- Pelleting of mammalian and bacterial cells prior to lysis or storage.
- Clarification of crude lysates, supernatant harvesting after precipitation reactions, and removal of insoluble aggregates in protein purification workflows.
- Preparative sedimentation of nanoparticles, microspheres, or polymer emulsions in materials science labs.
- Standardized sample conditioning for downstream analysis by HPLC, GC, or spectrophotometry where particulate interference must be eliminated.
FAQ
Does the EBA280 support refrigerated operation?
No—the EBA280 is a non-refrigerated centrifuge designed for ambient-temperature applications only.
Is rotor calibration required before first use?
No; rotor identification is fully automated, and factory-calibrated speed/RCF mapping is embedded in firmware.
Can I use this centrifuge for centrifuging hazardous or volatile solvents?
Only with appropriate secondary containment (e.g., sealed buckets or sealed adapters) and adherence to institutional chemical safety protocols; the chamber is not explosion-proof.
What maintenance is recommended for long-term reliability?
Monthly visual inspection of rotor threads and lid seal integrity, biannual cleaning of ventilation grilles, and annual verification of brake performance and imbalance response threshold using certified test loads.
Is the EBA280 suitable for GMP-regulated environments?
Yes—as a Class I electrical device with documented conformity to EN 61010-1, it may be incorporated into GMP processes when included in equipment qualification (IQ/OQ) protocols and maintained per manufacturer-recommended service intervals.
