Detailed introduction of L21 multi-purpose desktop high-speed freezing centrifuge
——Changsha Shi Ge Yan Biotechnology Co., Ltd.
1. Introduction
As an indispensable key equipment in laboratories, centrifuges are widely used in fields such as life science research, clinical medicine, pharmaceutical industry, environmental testing, and food safety testing. With the increasing diversification of experimental needs and the continuous development of technology, the performance and application range of equipment have also been significantly improved. The L21 Multi-Purpose Desktop High-Speed Refrigerated Centrifuge is a newly developed product by Changsha Shi Ge Yan Biotechnology Co., Ltd. based on international biological research and laboratory requirements. It combines efficient refrigeration function, high-speed centrifugation technology, and multi-functional rotor configuration to provide users with precise, efficient, and safe experimental support.
This article will elaborate on the technical features, technical parameters, compatible rotors, and application fields of the L21 Multi-Purpose Desktop High-Speed Refrigerated Centrifuge, while also highlighting the after-sales service guarantee of 3-year warranty and replacement-only (no repair) provided by Changsha Shi Ge Yan Biotechnology Co., Ltd.
Precise Control and Real-Time Monitoring: The L21 desktop high-speed refrigerated centrifuge adopts a microprocessor control system, which can precisely control key parameters such as rotational speed, temperature, and time. Through the digital display screen, users can view and adjust experimental parameters in real time, and switch to display RCF value to realize RPM and RCF value conversion.
Multi-Program Storage and Automatic Memory: The equipment can store and recall 10 sets of programs, and can automatically memorize the last running program, reducing repetitive operations and facilitating efficient experimental operations.
Fluorine-Free Compressor Unit: The L21 is equipped with an imported fluorine-free compressor unit and uses R404A refrigerant, which meets environmental protection requirements and has strong refrigeration capacity.
Rapid Cooling and Precise Temperature Control: At the maximum rotational speed, the L21 desktop high-speed refrigerated centrifuge can maintain the sample temperature at -4°C or below. Even during long-term operation, the temperature control remains precise with a temperature control accuracy of ±1°C, ensuring the stability and safety of temperature-sensitive samples.
Maintenance-Free and High Efficiency: The L21 adopts a brushless inverter motor, which is maintenance-free, has a long service life, and operates stably. Its high-torque design can quickly reach the required rotational speed to meet the needs of high-efficiency centrifugation.
Low Noise and Rapid Acceleration/Deceleration: The motor also offers the advantages of low noise and rapid acceleration/deceleration, improving experimental efficiency and ensuring a quiet environment.
Automatic Electric Inductive Door Lock: The equipment is equipped with an automatic electric inductive door lock, which ensures that the door cover will not be opened accidentally during operation, protecting the safety of experimental personnel.
Emergency Unlocking Function: When an abnormality occurs in the equipment, users can quickly unlock the door through the emergency unlocking function to ensure that samples can be taken out promptly.
Overspeed, Over-Temperature, and Imbalance Protection: The L21 centrifuge is equipped with overspeed, over-temperature, and imbalance protection functions. When an abnormality occurs, the system will automatically stop and display an error code to help users solve the problem quickly.
Spring Taper Sleeve Connection: The L21 desktop high-speed refrigerated centrifuge uses a spring taper sleeve to connect the rotor and the main shaft. The rotor is easy to install and remove, and the non-directional design makes operation easier.
High-Quality Structure and Safety Reliability: The equipment body adopts a high-quality steel structure, with a built-in fine steel explosion-proof protective inner sleeve and a 304 stainless steel centrifugal chamber, ensuring long-term stable operation of the equipment and providing triple safety protection.
Three-Stage Vibration Damping System: The L21 is equipped with a three-stage vibration damping system, which effectively reduces vibration during high-speed operation, ensures the best centrifugation effect of samples, and avoids vibration affecting experimental accuracy.
3. Technical Parameters of L21 Multi-Purpose Desktop High-Speed Refrigerated Centrifuge
| Parameter | Value |
|---|
| Maximum Rotational Speed | 21000 r/min |
| Maximum Relative Centrifugal Force | 30910 × g |
| Maximum Capacity | 4 × 800 ml |
| Timing Range | 1 min ~ 9 h 59 min |
| Noise Level | ≤ 58 dBA |
| Acceleration/Deceleration Rates | 10 options available |
| Speed Control Accuracy | ±20 r/min |
| Temperature Control Accuracy | ±1℃ |
| Power Supply | AC 220V 50Hz 7A |
| Temperature Control Range | -20℃ ~ 40℃ |
| Overall Dimensions | 700 × 715 × 420 mm |
| Net Weight | 125 kg |
| RPM/RCF Conversion | Yes |
| Certifications | CE, ISO |
4、Compatible Rotors and Rotor Selection
The L21 Multi-Purpose Desktop High-Speed Refrigerated Centrifuge provides a variety of compatible rotors to meet different capacity and centrifugal force requirements. The following are common compatible rotors and their parameters:
| No. | Rotor Type | Maximum Rotational Speed（r/min） | Maximum Capacity（ml） | Maximum Relative Centrifugal Force （×g） | Remarks |
|---|
| A64005 | TGL21 | 21000 | 4 × 800 ml | 30910 | select |
| NO 05105 | Angle Rotor | 18000 | 30 × 0.5 ml | 26660 | select |
| NO 05106 | Angle Rotor | 15000 | 40 × 0.5 ml | 22930 | select |
| NO 05101 | Angle Rotor | 21000 | 12 × 1.5/2 ml | 30910 | select |
| NO 05102 | Angle Rotor | 18000 | 24 × 1.5/2 ml | 29670 | select |
| NO 05103 | Angle Rotor | 13500 | 30 × 1.5/2 ml | 19340 | select |
The L21 multi-purpose desktop high-speed refrigerated centrifuge is widely used in DNA/RNA extraction, protein purification, cell separation, and other research. It is particularly suitable for high-speed and high-precision centrifugation requirements, helping researchers perform separation, purification, and analysis more efficiently.
This equipment is widely used in hospitals and clinics for blood separation, cell precipitation, plasma extraction, and other medical fields, providing reliable experimental data support for precision medicine and disease diagnosis.
In pharmaceutical companies and biopharmaceutical companies, the L21 centrifuge is used in experiments such as drug screening, vaccine development, and protein separation to help quickly and efficiently extract and purify target molecules.
The L21 multi-purpose desktop high-speed refrigerated centrifuge plays an important role in food safety testing and environmental monitoring. It is used for food microbiological testing and environmental pollutant analysis to ensure the reliability and accuracy of experimental results.
Changsha Shi Ge Yan provides a 3-year warranty for the L21 Multi-Purpose Desktop High-Speed Refrigerated Centrifuge and promises replacement-only (no repair), offering customers long-term usage guarantee and ensuring the long-term stability of the equipment in experiments.
The company provides free shipping service for customers across the country and issues formal invoices for each transaction, ensuring a transparent and standardized procurement process.
Changsha Shi Ge Yan has a professional after-sales service team that provides 24-hour technical support. When encountering equipment failures or needing assistance, customers can contact us at any time to enjoy rapid response and solutions.
7、Conclusion
The L21 Multi-Purpose Desktop High-Speed Refrigerated Centrifuge provides strong equipment support for researchers and laboratories with its outstanding performance, advanced technical design, and high-quality after-sales service. With its efficient functions such as microprocessor control system, environmentally friendly cooling system, and high-torque inverter motor, the L21 centrifuge has become an ideal choice in multiple fields including biomedicine, clinical testing, and pharmaceuticals.
Through the after-sales guarantee of 3-year warranty and replacement-only (no repair), Changsha Shi Ge Yan Biotechnology Co., Ltd. ensures the long-term stability of the equipment and provides comprehensive customer support, allowing customers to use the equipment with greater confidence and promoting the smooth progress of scientific research and experimental work.
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