HKL-21M Floor-standing High-speed Refrigerated Centrifuge
Overview
Floor-standing high speed refrigerated centrifuge series is capable of rapidly separating intracellular compounds, biological viruses, and bacterial cells efficiently. These essential instruments are extensively used by molecular biology, cell biology, clinical research, bioengineering, large-scale preparations, vaccine development, and protein precipitations communities, thus being one of the enablers of the scientific discovery continuum.
Features
The unit features a 7-inch touchscreen interface and uses the precise control of advanced microprocessors along with a variable frequency motor which offer an outstanding quality. The screen displays speed, temperature, operation time, and ramp rates in real-time. Moreover, users can access operation logs and error history instantly and an external USB port that is conveniently placed helps with data export on the go without risking data integrity.
The software supports users to adjust the run parameters at will. It also facilitates the generation of multi-stage operations along with the instantaneous conversion of RCF so as to ensure seamless program adaptation and storage.
Not only the all-steel construction, but also the blast-proof inner chamber and the sophisticated multi-layer damping system give it the incredible stability when running, and at the same time, it greatly cuts down the noise level.
The compressor is sustainable and fluorine-free, enabling high-speed cooling to 4°C in only 5 minutes, and improving total throughput.
The system is fully equipped with an active protection feature, including a sensor-interlocked door capable of emergency unlock, and in addition, there are protective measures for overspeed, overload, and operation with open lid.
Made for adaptability, this setup hosts a wide range of rotor types and sizes, thus satisfying the extensive variety of application needs in different industries.
Other functions are program locking manually and rotor automatically identification.
Technical Parameters
Maximum Speed: 21000 r/min
Noise Level: ≤ 65 dB
Maximum Capacity: 4 × 1000 ml
Centrifuge Chamber Diameter: Φ450 mm
Maximum Relative Centrifugal Force (RCF): 47450 ×g
Power Supply: AC 220 V / 50 Hz / 4 kW
Timer Range: 1 min ~ 99 h 59 min
Speed Accuracy: ±10 r/min
Temperature Control Range: −20°C ~ +40°C
Temperature Control Accuracy: ±1°C
Net Weight: 310 kg
Dimensions (L × W × H): 885× 760 × 960mm
Compatible Rotor
Rotor ID | Rotor Type | Capacity (ml) | Max Speed (r/min) | Max RCF (×g) |
NO3853 | Fixed-angle rotor | 30x1.5/2.2ml | 21000r/min | 47450xg |
NO3868 | Fixed-angle rotor | 16x10ml | 20000r/min | 46200xg |
NO3858 | Fixed-angle rotor | 12x15ml | 15000r/min | 28175xg |
NO3859 | Fixed-angle rotor | 6x50ml | 20000r/min | 44720xg |
NO3862 | Fixed-angle rotor | 8x50ml | 16000r/min | 31480xg |
NO3869 | Fixed-angle rotor | 8x100ml | 15000r/min | 32158xg |
NO3863 | Fixed-angle rotor | 6x250ml | 13000r/min | 26470xg |
NO3864 | Fixed-angle rotor | 6x300ml | 13000r/min | 22700xg |
NO3870 | Fixed-angle rotor | 4x500ml | 11000r/min | 20830xg |
NO3865 | Fixed-angle rotor | 6x500ml | 10000r/min | 18500xg |
NO3866 | Fixed-angle rotor | 4x1000ml | 8000r/min | 12780xg |
NO3808 | Swinging-bucket rotor | 4x800ml | 4000r/min | 3500xg |
NO3823 | Swinging-bucket rotor | 4x4x96-well microplate | 4000r/min | 3000xg |
Centrifuge Rotor

FAQ
Q1: What is your minimum order quantity? What is the delivery lead time?
A: The minimum order quantity is unit one and delivery is approximately 20 days after advance payment.
Q2: What type of technical support and maintenance services do you provide?
A: You can rely on an extensive after-sales support system that assists you throughout your journey. We promise quick replies from our devoted service team, skilled technical assistance available remotely, as well as ongoing e-learning to uplift your staff. Besides fixing issues, we want to be your dependable laboratory companion—helping your equipment to perform excellently and preserving the precision of your results, thus leaving you solely engaged in making scientific breakthroughs.
Q3: Are you able to offer tailored configuration solutions that meet the specific requirements of applications?
A: Absolutely, we can tailor the instrument configurations and testing solutions to meet the customer’s particular application requirements.
Q4: Would you provision sample material?
A: For minor consumables and accessories, samples could be given as a result of discussions (sample fee and delivery charge apply). Regarding the instrument-type products, because of their high price, we advise reviewing the case studies of similar users or arranging a visit for a demonstration.
Q5: How can I track my order?
A: Once the goods have been sent out, we will give you the tracking number / bill of lading number as well as a tracking link. You can monitor your shipment live either through the courier’s or logistics company’s official website or by reaching out to our customer service.

About us
Started in 2018, Hong Kong Laboratory Technology Limited has more than eight years experience in the instrument industry. We are partners with 50+ global brands and have more than 500 clients. Being a reliable instrument supply chain solutions provider, we offer a wide variety of resources—from Research and Development to manufacturing. Operating with a comprehensive knowledge of the industry, we continue to focus on quality management systems. Our main product lines meet the highest international standards like ISO 9001, ASTM, and IP. Besides that, our products are in accordance with requirements for calibration and testing as per ISO/IEC 17025. Our range of clients gets from university research to petrochemical and mining, healthcare, and environment monitoring.
We not only perfectly match you with the most affordable instruments and equipment, but also offer professional technical selection support and after-sales service. Our goal is to offer complete support to each customer throughout the whole process from their inquiry and selection stage to the after-sales service. This way, your instrument purchasing can be more streamlined and worry-free.
Company Advantages
(1)Capacity for Full-Chain Resource Integration
(2)Specialized and Experienced Technical Support Team
(3)Extensive Industry Hands-on Experience
(4)Reliable After-Sales Service
Service Guarantee
1. Online Training Services
Starting from setup to mastery stage, we offer remote installation and commissioning support and then continue with thorough operation training. Besides, our final users enjoy 24/7 online support, all year round.
2. Professional After-Sales Service
We deliver thorough care that is customized to the specific requirements of your equipment. Besides that, our continuous efforts to offer you the best quality and reliability in the market are equally strong. We cherish your comments and ideas, and they are the very reason for our daily improvement drive.
Logistics and Shipping
Worldwide Shipping:We have deep shipping knowledge worldwide, including Asia, Europe, and the Middle East. So, our guarantee is each time a product reaches you in a safe and timely manner.
Secure Packaging:First of all, every item is professionally packed and properly cushioned so that they can survive the rough handling of the worldwide shipping. This is done to make sure that once our warehouse items deliver to your lab, they remain in the perfect condition.
International Certification
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ISO 9001 Certification | ASTM Certificate |










