Detailed introduction of 21S multi-purpose desktop high-speed freezing centrifuge
——Changsha Shi Ge Yan Biotechnology Co., Ltd.
Centrifuges are indispensable basic equipment in modern laboratories, widely used in biology, medicine, chemical analysis, and other fields—playing a crucial role especially in cell separation, protein purification, and DNA/RNA extraction. With the continuous development of experimental needs, centrifuge technology is also constantly upgrading. The 21S Multi-Purpose Desktop High-Speed Refrigerated Centrifuge, carefully developed by Changsha Shi Ge Yan Biotechnology Co., Ltd., is committed to meeting the high-precision, high-efficiency, and multi-functional requirements in international biological research.
The 21S Multi-Purpose Desktop High-Speed Refrigerated Centrifuge adopts advanced microcomputer control technology, fluorine-free environmentally friendly compressors, and high-torque variable-frequency motors. It also features efficient cooling, precise temperature control, and safety guarantees, making it suitable for various experimental requirements and meeting the efficient separation needs of scientific research, medicine, industry, and other fields.
This article will elaborate on the technical features, application fields, compatible rotors of the 21S Multi-Purpose Desktop High-Speed Refrigerated Centrifuge, as well as the after-sales service guarantee of 3-year warranty and replacement-only (no repair) provided by Changsha Shi Ge Yan Biotechnology Co., Ltd.
2、Technical Features of 21S Multi-Purpose Desktop High-Speed Refrigerated Centrifuge
Precise Control: The 21S desktop high-speed refrigerated centrifuge is equipped with a microprocessor control system, enabling more accurate setting and adjustment of parameters such as rotational speed, temperature, and time.
Digital Display and Real-Time Modification: The equipment’s LCD digital display screen shows operating data in real time. Users can directly modify the set parameters during operation, ensuring flexible adaptation during the experiment.
RCF Value Display and Conversion: The device can display and support RPM and RCF value conversion, helping researchers control experimental conditions more precisely to meet different centrifugal force requirements.
Imported Fluorine-Free Compressor Unit: It adopts a fluorine-free compressor unit and R404A refrigerant, which not only meets environmental protection requirements but also provides strong refrigeration capacity.
Temperature Control Precision: At the maximum rotational speed, the device can maintain the sample temperature at -4°C or below, ensuring the stability of temperature-sensitive samples throughout the centrifugation process.
Dual-Circulation Refrigeration: The system uses dual-circulation refrigeration technology to effectively improve heat exchange capacity, enhance refrigeration efficiency, and ensure rapid cooling.
Maintenance-Free Design: The 21S desktop high-speed refrigerated centrifuge is equipped with a high-torque variable-frequency motor, eliminating the need for maintenance of traditional motors while extending the motor’s service life.
Low Noise and High Efficiency: The motor operates with low noise and stability, providing high rotational speed and efficient centrifugal capacity, suitable for long-term operation.
Automatic Electric Inductive Door Lock: The equipment is equipped with an electric inductive door lock, ensuring that the door cover will not open accidentally during operation to guarantee experimental safety.
Emergency Unlocking Function: In case of an emergency, users can quickly open the door cover through the emergency unlocking function to take out samples.
Overspeed, Over-Temperature, and Imbalance Protection: The device is equipped with overspeed, over-temperature, and imbalance protection functions. When an abnormality occurs, the device will automatically stop to prevent equipment damage.
Spring Taper Sleeve for Rotor Connection: It adopts a unique spring taper sleeve connection method, enabling fast and simple connection between the rotor and the main shaft without direction restrictions, facilitating operation.
Quick Rotor Installation and Removal: The rotor is easy to install and remove, reducing the workload of experimental personnel.
High-Quality Structural Design: The machine body adopts a high-quality steel structure and 304 stainless steel centrifugal chamber, with a built-in fine steel explosion-proof protective inner sleeve, providing triple safety protection for the equipment.
Efficient Vibration Damping: The 21S is equipped with a three-stage vibration damping system, which effectively reduces vibration generated during high-speed centrifugation, ensuring efficiency and accuracy in the sample processing process.
3、Technical Parameters of 21S 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 21S Multi-Purpose Desktop High-Speed Refrigerated Centrifuge offers a variety of rotor options 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 |
|---|
| A64006 | TGL21S | 21000 | 4 × 800 | 30910 | Optional |
| NO 05105 | Angle Rotor | 18000 | 30 × 0.5 | 26660 | Optional |
| NO 05106 | Angle Rotor | 15000 | 40 × 0.5 | 22930 | Optional |
| NO 05101 | Angle Rotor | 21000 | 12 × 1.5/2 | 30910 | Optional |
| NO 05102 | Angle Rotor | 18000 | 24 × 1.5/2 | 29670 | Optional |
| NO 05103 | Angle Rotor | 13500 | 30 × 1.5/2 | 19340 | Optional |
5、Application Fields and Industry Suitability
The 21S multi-purpose desktop high-speed refrigerated centrifuge is widely used in biological research such as DNA/RNA extraction, protein purification, and cell separation, and is an indispensable piece of equipment in molecular biology and cell biology experiments.
In hospitals and laboratories, the 21S centrifuge is widely used in medical experiments such as blood separation, plasma separation, and cell analysis, helping doctors obtain accurate test results.
In pharmaceutical companies and biopharmaceutical enterprises, the 21S is used in high-throughput experiments such as drug screening, vaccine development, and protein separation and purification, helping to quickly separate target molecules and improve experimental success rates.
The device is also used in fields such as food safety testing and environmental pollutant analysis, ensuring the accuracy of food and environmental sample testing and providing support for health and environmental protection.
Changsha Shi Ge Yan provides a 3-year warranty for the 21S Multi-Purpose Desktop High-Speed Refrigerated Centrifuge and promises replacement-only (no repair), which greatly reduces the risk of equipment downtime and ensures the smooth progress of experiments.
Changsha Shi Ge Yan provides free shipping service for customers across the country and offers formal invoices, ensuring transparency and standardization in the transaction process.
The company has a professional after-sales service team, providing 24-hour technical support and rapid response. This ensures that when users encounter problems during use, they can get quick solutions, minimizing downtime to the greatest extent.
The 21S Multi-Purpose Desktop High-Speed Refrigerated Centrifuge is a high-performance, high-precision experimental device suitable for fields such as biomedicine, clinical testing, pharmaceuticals, and food safety. Relying on its technical advantages including high-torque variable-frequency motor, efficient cooling system, and intelligent microcomputer control system, the 21S centrifuge can provide researchers with efficient and reliable sample processing solutions.
Through the after-sales service of 3-year warranty and replacement-only (no repair), Changsha Shi Ge Yan provides customers with sufficient guarantees, allowing users to use the equipment with greater confidence.
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