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Changsha Shi Ge Yan Biotechnology Co., Ltd. · High speed and large capacity flagship model
In modern scientific research, clinical testing, and industrial production, how to process large volume samples in a short period of time while ensuring separation efficiency and sample stability is a common challenge faced by many laboratories and production bases. The combination of high speed and large capacity, continuous maintenance of low temperature environment, and safe and reliable operating mechanism have become essential features of a high-end cryogenic centrifuge.
The 21MS floor standing high-speed freeze centrifuge (item number: 21MS) is the flagship product launched by Changsha Shi Ge Yan Biotechnology Co., Ltd. to meet this demand. It has become an ideal choice for multiple fields such as life sciences, medicine, pharmaceuticals, and environmental testing due to its outstanding performance with a maximum speed of 21000 r/min, maximum centrifugal force of 50340 × g, and maximum capacity of 4 × 1000 mL.
The manufacturer promises a 3-year warranty, with only replacement and no repair, to provide excellent quality and reliable service, comprehensively solving users' worries during the equipment's service life.
The development concept of 21MS revolves closely around three core elements: speed, capacity, and safety.
Speed: up to 21000 revolutions per minute, meeting the separation requirements at both the molecular and particle levels.
Capacity: Supports up to 4 × 1000 mL, capable of processing large volume samples in one go to improve efficiency.
Safety: Multiple monitoring and protection systems ensure the safety of both humans and samples throughout the entire process.
It integrates modern variable frequency motor technology, advanced refrigeration systems, precise microcomputer control, and user-friendly human-computer interaction interface, which not only improves experimental efficiency but also greatly enhances user experience.
21MS adopts a high torque brushless variable frequency motor, which has the following advantages:
Maintenance free, long operating life;
Fast and stable acceleration and deceleration, meeting the special requirements for acceleration and deceleration in different experiments;
Low noise operation, with noise levels still below 65 dB (A) at full speed, ensuring a quiet laboratory environment.
Multiple angle rotors and horizontal rotors, covering various tasks from small volume high-speed separation to large capacity processing.
The spring cone sleeve connection technology achieves a tight combination between the rotor and the main shaft, with easy operation and safe reliability.
The rotor material is made of aviation aluminum alloy or carbon fiber material, which is lightweight, sturdy, and has the advantages of corrosion resistance and thermal conductivity.
The inner cavity is made of 304 stainless steel material, which is corrosion-resistant, easy to clean, and has a double-layer protective structure to increase overall safety.
Adopting imported fluorine free compressor units, environmentally friendly and efficient;
Using R404A refrigerant, in compliance with international environmental standards;
Configure a dual circulation cooling system to ensure rapid pre cooling and long-term stable operation.
Temperature control range: -20 ℃~+40 ℃;
Temperature control accuracy: ± 1 ℃;
Even at the highest rotational speed, the chamber can still maintain low temperature, protecting temperature sensitive samples such as proteins, enzymes, and nucleic acids.
Lowering from room temperature of 25 ℃ to 4 ℃ only takes a few minutes, significantly reducing the preparation time for the experiment;
Support chamber standby constant temperature to meet the continuous processing of multiple batches of samples.
21MS is equipped with a large-sized LCD touch screen, which displays in real-time:
Speed (r/min) and relative centrifugal force (x g);
Temperature (℃);
Remaining running time;
Rotor type and capacity;
Speed up and speed down curve gears.
Users can store 100 sets of experimental programs and quickly call commonly used parameters;
Built in multiple acceleration and deceleration curves, suitable for different sample types, such as using a gentle braking mode for blood samples to reduce disturbance;
RCF and speed are automatically converted to avoid errors caused by manual conversion.
Built in self-test program, automatically checks the running status upon startup;
When there are abnormalities such as overspeed, overtemperature, imbalance, etc., it will automatically stop and give an alarm prompt.
Door cover protection: Inductive electromagnetic lock, strictly prohibited from opening during operation;
Overspeed protection: Real time monitoring of speed, immediate shutdown when exceeding the limit;
Unbalance protection: Automatically detect sample load imbalance and shut down;
Overtemperature protection: Timely alarm for abnormal cooling or temperature drift.
The body adopts a fully steel structure and multi-layer explosion-proof design to ensure safety during high-speed operation;
The cavity and door cover both have reinforcement layers to ensure safety in extreme situations.
Equipped with emergency unlocking function in case of power outage or system failure to ensure that sample retrieval is not affected.
Maximum speed: 21000 r/min
Maximum centrifugal force: 50340 × g
Maximum capacity: 4 × 1000 mL
Timing range: 1 second to 99 hours, 59 minutes, and 59 seconds
Speed accuracy: ± 10 r/min
Temperature control range: -20 ℃~+40 ℃
Temperature control accuracy: ± 1 ℃
Noise: ≤ 65 dB (A)
Power supply: AC 220 V, 50 Hz, 20 A
Dimensions: Approximately 805 × 680 × 800 mm
Net weight: approximately 290 kg
21MS can be configured with multiple angle rotors and horizontal rotors, such as:
High speed angular rotor: 24 × 1.5/2 mL, speed 21000 r/min, used for rapid precipitation of nucleic acids and proteins;
Medium capacity angular rotor: 6 × 250 mL, speed 12000 r/min, suitable for cell sedimentation and collection;
Large capacity angular rotor: 4 × 1000 mL, speed 8000 r/min, suitable for blood preparation and fermentation broth clarification;
Horizontal rotor: 4 × 800 mL, speed 4000 r/min, used for large volume low-speed clarification.
Life Sciences
Protein precipitation and extraction
Nucleic acid isolation and purification
Subcellular component separation
Medical Clinical
Serum and plasma separation
Blood cell preparation
High throughput sample processing
biopharmaceutical
Antibody and vaccine production
Large volume processing of fermentation broth
Collection and purification of recombinant proteins
Food and Agriculture
Fermentation sample clarification
Foodborne microbiological testing
Agricultural disease detection
environmental monitoring
Water quality and sediment testing
Separation of pollutants and particles
Enrichment and Analysis of Heavy Metals
Cleaning and maintenance: Clean the chamber after each use to avoid corrosive residues.
Rotor management: Establish a ledger and scrap according to the service life.
Refrigeration system maintenance: Regularly check the condenser and compressor to maintain ventilation and heat dissipation.
Electrical inspection: Use a regulated power supply to ensure good grounding.
Long term shutdown: Keep the door cover half open and keep the chamber dry and mold proof.
The 21MS floor standing high-speed freeze centrifuge (item number: 21MS) integrates high-speed performance, large capacity processing, precise temperature control, and comprehensive safety protection, fully meeting the multiple needs from basic research to industrial applications.
It is not only a high-performance instrument, but also a reliable partner for researchers and manufacturing enterprises. Produced by Changsha Shi Ge Yan Biotechnology Co., Ltd., with a 3-year warranty and after-sales support of only replacement and no repair, ensuring that each user's experimental work is efficient, reliable, and worry free.
Changsha Shi Ge Yan Biotechnology Co., Ltd. 湘ICP备2025132512号
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