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Detailed Introduction
The Thermo Scientific Legend Micro 21 Centrifuge is a high-performance microcentrifuge designed for routine laboratory sample preparation, molecular biology applications, and clinical research workflows. Known for its reliability, compact design, and strong separation performance, the Legend Micro 21 is widely used in life science laboratories for DNA/RNA extraction, protein precipitation, cell pelleting, and micro-volume sample processing.
Engineered by Thermo Fisher Scientific, this centrifuge combines powerful centrifugation capability with user-friendly operation and robust safety features. It is designed to handle a wide range of microcentrifuge tubes, making it a versatile solution for laboratories that require consistent and efficient sample separation.
One of the key strengths of the Legend Micro 21 is its ability to reach high speeds of up to 21,000 × g, enabling fast and efficient pelleting of biological materials. This high relative centrifugal force significantly reduces processing time while ensuring excellent separation quality, even for challenging samples such as bacterial cells, nucleic acids, and subcellular components.
The instrument is equipped with a maintenance-free induction drive motor, which ensures quiet operation, long service life, and stable performance under continuous use. The motor design also reduces vibration, improving both operational comfort and sample integrity during high-speed runs.
Safety is a critical aspect of the Legend Micro 21 design. The centrifuge includes an automatic lid lock system, which prevents the lid from being opened while the rotor is spinning. In addition, imbalance detection technology helps protect both the operator and the instrument by automatically stopping the run if uneven loading is detected. These features make it suitable for daily laboratory use in both research and clinical environments.
The centrifuge supports a wide range of rotor options, allowing flexibility for different experimental needs. Users can switch between fixed-angle rotors for high-speed pelleting or use specialized rotors for different tube formats. This adaptability makes the system suitable for diverse applications, from molecular biology workflows to biochemical sample processing.
Operation of the Legend Micro 21 is straightforward, featuring an intuitive control panel that allows users to easily set speed, time, and run parameters. The digital display provides clear feedback during operation, and programmable settings allow for reproducible workflows, which is especially important in standardized laboratory procedures.
Temperature stability is maintained through efficient airflow design, ensuring that samples remain protected during high-speed centrifugation. This is particularly important for sensitive biological materials that may degrade under excessive heat.
Compact in size, the Legend Micro 21 is designed to fit easily on crowded laboratory benches without sacrificing performance. Despite its small footprint, it delivers powerful centrifugation capabilities comparable to larger benchtop models.
Overall, the Thermo Scientific Legend Micro 21 Centrifuge is a reliable, high-speed microcentrifuge that offers excellent performance, safety, and ease of use. It is an ideal choice for laboratories requiring fast and efficient sample processing in molecular biology, biochemistry, and clinical research applications.
| Parameter | Specification |
|---|---|
| Instrument Type | Microcentrifuge |
| Model | Thermo Scientific Legend Micro 21 |
| Maximum Speed | Up to 14,800 rpm (varies by rotor) |
| Maximum RCF | Up to 21,000 × g |
| Rotor Type | Fixed-angle rotors (various options available) |
| Tube Compatibility | 0.2 mL, 0.5 mL, 1.5 mL, 2.0 mL microcentrifuge tubes |
| Drive System | Maintenance-free induction motor |
| Speed Control | Digital control with programmable settings |
| Timer Range | Up to 99 minutes + continuous mode |
| Safety Features | Lid lock system, imbalance detection |
| Noise Level | Low-noise operation design |
| Temperature Control | Air-cooled (no active refrigeration) |
| Display | Digital LCD display |
| Acceleration/Deceleration | Fast ramp-up and braking |
| Power Supply | 100–240 V, 50/60 Hz |
| Power Consumption | Approx. 300–400 W |
| Dimensions | Compact benchtop design |
| Applications | DNA/RNA extraction, protein prep, cell pelleting, molecular biology workflows |
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