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Beckman Coulter J2-HS High-Speed Refrigerated Floor Model Centrifuge
The Beckman Coulter J2-HS High-Speed Refrigerated Centrifuge is a refurbished floor model laboratory centrifuge designed for biotechnology companies, pharmaceutical laboratories, academic research institutions, clinical laboratories, microbiology laboratories, and bioprocessing facilities. The J2-HS combines dependable refrigeration, high-speed performance, and broad rotor compatibility to provide laboratories with an economical solution for large-volume sample processing.
Laboratories evaluating refrigerated floor model centrifuges often compare maximum speed, maximum centrifugal force, rotor compatibility, sample capacity, refrigeration performance, workflow flexibility, and long-term serviceability when selecting a centrifuge system. The Beckman J2-HS delivers speeds up to 21,000 RPM, centrifugal forces up to 51,500 × g, and accommodates sample volumes up to 3 liters, depending on the installed rotor. Its proven design has made it a long-standing workhorse in research and production laboratories.
At American Instrument Exchange, our technicians inspect and test each centrifuge to verify proper refrigeration performance, motor operation, braking systems, lid lock functionality, rotor operation, and controller performance prior to shipment. American Instrument Exchange offers used and refurbished laboratory centrifuges for sale, including refrigerated centrifuges, floor model centrifuges, benchtop centrifuges, and large-capacity bioprocessing centrifuges from leading manufacturers including Beckman Coulter, Thermo Scientific, Eppendorf, and more.
Features of the Beckman Coulter J2-HS
Maximum speed: 21,000 RPM
Maximum centrifugal force: 51,500 × g
Sample capacity up to 3 liters, depending on rotor configuration
Refrigerated operation for temperature-sensitive samples
Compatible with a wide variety of Beckman J-Series rotors
High-torque drive system for rapid acceleration
Designed for research, biotechnology, pharmaceutical, and clinical laboratories
Rugged floor model construction for high-throughput operation
90-day warranty included from American Instrument Exchange
Refurbished and tested by American Instrument Exchange
The Beckman J2-HS remains one of Beckman's classic high-speed centrifuge platforms, offering dependable performance and exceptional versatility for laboratories requiring large-volume refrigerated centrifugation.
Beckman Coulter J2-HS Overview
The Beckman J2-HS is engineered for laboratories that require reliable refrigerated centrifugation for routine and large-volume workflows. Its high-speed drive system and broad rotor compatibility allow researchers to perform bacterial harvesting, mammalian cell harvesting, protein purification, plasmid preparation, virus concentration, tissue processing, and general sample preparation using a single centrifuge platform.
The J2-HS accepts numerous Beckman fixed-angle and swinging bucket rotors, allowing laboratories to configure the system for a wide variety of sample types and vessel sizes. This flexibility has made the J2-HS a popular choice for biotechnology companies, pharmaceutical laboratories, university core facilities, and microbiology laboratories.
Common Applications and Refrigerated vs. Non-Refrigerated Operation
The Beckman J2-HS is commonly used for bacterial cell harvesting, mammalian cell culture processing, protein purification, plasmid isolation, blood component separation, virus preparation, tissue homogenate processing, fermentation workflows, pharmaceutical development, and biotechnology research.
Its refrigerated chamber helps maintain sample integrity throughout centrifugation, making it especially valuable when processing proteins, enzymes, nucleic acids, blood products, and other temperature-sensitive biological materials. Compared with non-refrigerated floor model centrifuges, the J2-HS offers improved protection for sensitive samples while maintaining excellent throughput for routine laboratory operation.
Rotor Compatibility and Included Accessories
Rotor compatibility is one of the primary advantages of the Beckman J2-HS.
Compatible rotor families include:
Fixed-angle rotors
Swinging bucket rotors
Bottle rotors
High-capacity cell harvesting rotors
Blood processing rotors
Large-volume biotechnology rotors
Compatible applications include:
Cell harvesting
Protein purification
Virus concentration
Blood processing
Tissue homogenization
Fermentation workflows
Biotechnology production
Pharmaceutical manufacturing
The J2-HS platform allows laboratories to configure the centrifuge for a wide range of research and production applications.
Customers should verify included rotors prior to purchase, as centrifuge configurations can vary between systems.
Beckman Coulter J2-HS Specifications
Specification
Details
Manufacturer
Beckman Coulter
Model
J2-HS
Condition
Refurbished
Centrifuge Type
Refrigerated High-Speed Floor Model Centrifuge
Maximum Speed
21,000 RPM
Maximum RCF
51,500 × g
Maximum Capacity
Up to 3 Liters
Temperature Range
-20°C to +40°C
Rotor Compatibility
Beckman J-Series Rotors
Dimensions
Approximately 28" W × 33" D × 50" H
Weight
Approximately 656 lbs
Electrical Requirements
208–240V, 30A (verify prior to installation)
Included Rotor
Verify with American Instrument Exchange
Specifications compiled from Beckman Coulter manufacturer literature, technical documentation, and American Instrument Exchange product information.
Power Requirements and Shipping Considerations
The Beckman J2-HS is a heavy-duty refrigerated floor model centrifuge that ships via palletized freight. Laboratories should verify electrical requirements, floor loading capacity, doorway clearances, ventilation requirements, and final installation location before delivery.
American Instrument Exchange can assist with freight coordination, inside delivery, and installation planning to help ensure the centrifuge arrives safely and is ready for operation.
Refurbished Centrifuges from American Instrument Exchange
American Instrument Exchange specializes in professionally refurbished laboratory centrifuges, including benchtop centrifuges, refrigerated centrifuges, floor model centrifuges, blood banking centrifuges, microcentrifuges, vacuum concentrators, and bioprocessing centrifuges.
Our technicians inspect and test every centrifuge for:
Refrigeration performance
Rotor operation
Brake functionality
Controller operation
Lid lock safety systems
General operational reliability
If the centrifuge is sold with a rotor, we also test the rotor and centrifuge together to verify compatibility and operational performance.
Many laboratories purchasing a centrifuge are also outfitting an entire research facility. American Instrument Exchange also offers professionally refurbished laboratory freezers and ultra-low freezers, laboratory incubators, biosafety cabinets, and hundreds of other laboratory instruments to help customers source equipment from a single trusted supplier.
Beckman Coulter J2-HS Service and Support
American Instrument Exchange and AIE Laboratory Services provide diagnostics, preventative maintenance, refrigeration service, depot repair, and field service for Beckman centrifuges and many other laboratory instruments.
In addition to centrifuge repair, our service team supports ultra-low freezer repair, laboratory refrigerator service, biosafety cabinet certification, incubator repair, and preventative maintenance programs to help laboratories maximize equipment uptime.
Why is the Beckman J2-HS still popular in research laboratories?
The J2-HS has earned a reputation as a dependable workhorse capable of handling a wide variety of large-volume applications while maintaining reliable refrigerated performance over many years of service.
What types of rotors are compatible with the J2-HS?
The J2-HS supports numerous Beckman J-Series fixed-angle, swinging bucket, bottle, and specialty rotors, allowing laboratories to configure the instrument for many different applications.
Is the Beckman J2-HS suitable for bacterial and mammalian cell harvesting?
Yes. The J2-HS is commonly used for harvesting bacterial cultures, yeast, mammalian cells, and other biological samples in biotechnology and pharmaceutical laboratories.
Does this centrifuge include a rotor?
Rotor availability varies by inventory. Please contact American Instrument Exchange to confirm which rotor, if any, is included with this specific centrifuge.
What is the advantage of a floor model centrifuge compared to a benchtop centrifuge?
A floor model centrifuge generally offers greater sample capacity, larger compatible rotors, higher throughput, and increased flexibility for production-scale and research applications.
Is the J2-HS appropriate for bioprocessing laboratories?
Yes. Its combination of refrigerated operation, large sample capacity, and rotor flexibility makes it well suited for pilot-scale bioprocessing, fermentation, and biotechnology workflows.
Why purchase a refurbished Beckman J2-HS?
A professionally refurbished J2-HS provides dependable high-speed refrigerated centrifugation at a fraction of the cost of a comparable new floor model centrifuge while continuing to support many modern laboratory applications.
Can American Instrument Exchange repair Beckman J-Series centrifuges?
Yes. AIE Laboratory Services provides diagnostics, preventative maintenance, refrigeration repair, and general service for many Beckman Coulter floor model centrifuges, including the J-Series.
Click Hereto see the Beckman Avanti J-25 centrifuge on the American Instrument Exchange YouTube channel.
Testing Procedures for Used and Refurbished Laboratory Centrifuges
Ensure Quality, Accuracy, and Compliance Before Deployment
Used and refurbished laboratory centrifuges from American Instrument Exchange undergo testing procedures to ensure they meet the performance, safety, and compliance standards required in modern laboratories.
Why Testing Used Laboratory Centrifuges Is Essential
Before a centrifuge is reintroduced into a lab environment, it must be tested for:
Mechanical integrity
Rotor balance and speed accuracy
Safety system functionality
Electrical compliance
Proper testing helps extend equipment lifespan, reduce downtime, and ensure safety in high-stakes lab environments such as clinical diagnostics, biotechnology, and research applications.
Our structured testing protocol for used and refurbished centrifuges ensures equipment safety, accuracy, and longevity.
Key Testing Procedures for Refurbished and Used Centrifuges
1. Initial Visual Inspection
Check for signs of wear, corrosion, or damage to housing, lid, and control panels
Inspect power cords, plugs, and connectors for fraying or exposed wiring
Confirm that the rotor and accessories are compatible and undamaged
2. Functional Testing
Power up the centrifuge and confirm successful boot-up of digital or analog displays
Test lid lock and emergency stop mechanisms
Run initial cycles at various speeds to check for abnormal noise or vibration
3. Rotor and Speed Verification
Test all programmable speed settings to confirm consistent acceleration and deceleration
Monitor temperature, vibration, and RPM consistency throughout the cycle
Balance testing ensures smooth operation and prevents wear on internal components
4. Electrical Safety and Grounding Tests
Verify that all electrical components are properly grounded and shielded
5. Temperature Control (if applicable)
For refrigerated centrifuges, test cooling function to ensure temperature stability within set ranges
Check refrigerant levels and inspect for compressor noise or failure
6. Final Quality Assurance Checklist
Conduct a full run-through using the user interface
Document all test results
Repair and Refurbishment Protocol for Used Laboratory Centrifuges
Certified Quality from American Instrument Exchange
At American Instrument Exchange, we follow a meticulous repair and refurbishment protocol to ensure that every used laboratory centrifuge we sell. We strive for reliable performance and long-term durability—providing labs with exceptional value on high-quality pre-owned centrifuges.
Why Choose a Refurbished Centrifuge from American Instrument Exchange?
Fully tested
Backed by warranty and performance guarantee
Cost-effective alternative to new lab equipment
Environmentally responsible through equipment reuse
Supported by expert technicians with decades of experience
Step-by-Step Refurbishment Protocol
Every used centrifuge at American Instrument Exchange goes through the following comprehensive repair and refurbishment process:
1. Initial Intake & Inspection
Our technicians perform a complete visual and mechanical inspection
Evaluation of hinges, seals, gaskets, and electrical components
Any physical damage, missing parts, or wear is documented for repair
2. Cleaning and decontamination
Full internal and external cleaning using non-abrasive, disinfectant-safe products
Biological or chemical residue is decontaminated/cleaned
3. Mechanical & Electrical Repairs
Damaged or worn parts (e.g., drive motors, lid latches, rotor buckets) are replaced or repaired
Electrical components, sensors, and fuses are tested and replaced as needed
Wiring is inspected for integrity and safety per industry standards
4. Rotor & Accessory Evaluation
All rotors, buckets, and adapters are inspected for cracks, corrosion, and balance
Non-conforming components are replaced with OEM or equivalent alternatives
5. Performance Testing
Rotor speed (RPM), acceleration, and deceleration are verified
Refrigerated centrifuges undergo temperature stability testing across set ranges
6. Safety System Verification
Lid lock and interlock systems are tested for proper function
Emergency stop and imbalance detection systems are verified
Electrical safety and grounding tests are conducted
Trust the Experts at American Instrument Exchange
With over 50 years of experience in the industry, American Instrument Exchange is a trusted name for refurbished lab equipment. Our centrifuge refurbishment protocol reflects our commitment to quality, safety, and customer satisfaction.
Warranty Information
All used equipment sold by American Instrument Exchange is refurbished/reconditioned, tested to meet specifications, cleaned, and comes with a 90-day warranty from the date of shipment unless otherwise specified. New products include a warranty from the manufacturer. Your warranty is only valid if you have paid your invoice. If your invoice is over 30 days old, warranty work will not be performed until your invoice is paid in full. American Instrument Exchange is not liable for any special or consequential damages that result from the use of, or the inability to use, the materials on this site or the performance of the products,
Exceptions include international sales and items that are agreed to be sold with a lesser warranty or items that are agreed to be sold “as is.”
Should there be visible shipping damage to packaging or concealed shipping damage to item(s) supplied, buyer must communicate such damage to the delivering entity or carrier upon receipt first and to American Instrument the same day item is accepted / signed for. Failure to do so voids warranty. Customer decision to involve / procure third party or OEM service other than American Instrument or AIE assigned vendors to resolve in-warranty instrument failure or defect without first placing a service call to American Instrument voids warranty.
Return & Cancellation Policy
American Instrument Exchange will authorize the return of and issue a full refund for any equipment that is not working as represented and could not be replaced or repaired to the customer’s satisfaction by AIE or a representative of AIE during the warranty period. Returns without prior authorization and an RMA number will not be accepted.
Customers are responsible for proper packaging of the equipment and all included accessories. American Instrument will pay for insurance and shipping costs. Non-inventory items bought specifically to fill customer orders may possibly be returned, but on a case by case basis.
Customers who cancel orders after refurbishing has begun or after delivery where there are no equipment performance issues may be subject to a Restocking/Cancellation Fee of 20% or more and responsible for shipping costs for both the delivery and return.
Ongoing and Extended Support Options
American Instrument Exchange is able to provide additional repair and support services outside the warranty terms for most products that sell.
For biosafety cabinets, clean benches, chemical fume hoods, and other clean air products our team at AIE Laboratory Services can provide certifications, repairs, decontaminations, and other services for customers throughout New England, and guidance and limited technical assistance for any customers in the US and Canada for new or refurbished biosafety cabinets purchased from American Instrument Exchange.
For all other products, the repair service team at American Instrument Exchange can provide both field and depot repair evaluations. We can easily schedule and coordinate the pick-up and transportation of your malfunctioning equipment. By offering hourly rates lower than most OEM service providers and eliminating travel time for technicians, we help reduce repair costs. Furthermore, our lab depot repair service minimizes or eliminates scheduling delays. Our experienced service technicians are qualified to restore your equipment to factory specifications.
Yes, all equipment from American Instrument Exchange comes with a warranty. Used/reconditioned/refurbished equipment is tested to make sure it operates to the manufacturer's specifications and comes with a 90-day warranty (unless otherwise noted). New equipment comes with a warranty from the manufacturer.
How do you test and recondition the equipment?
Testing requirements vary across all the equipment categories we sell. Temperature controlled units are tested with NIST traceable probes and data loggers. Gaskets, external housing, glass, handles, controls and control screens are all thoroughly inspected for integrity and functionality. We test all equipment using the manufacturer's parameters and specifications to confirm that the unit operates properly.
How do products ship from American Instrument Exchange?
We can ship products both nationally and internationally using a well-established network of transporters. Smaller items will ship via UPS. Larger equipment will be palletized and shipped either LTL or air-ride, depending on the specific equipment and/or delivery requirements.
Return and order cancellation policy
American Instrument Exchange will accept the return of any product that is not working as represented and could not be replaced or repaired to the customer's satisfaction during the warranty period. Customers who cancel orders after refurbishing has begun will be subject to a cancellation and restocking fee of between 20% and 40%.
Are discounts available for educational or non-profit institutions, or for bulk purchases?
Yes – call or email us today with a list of equipment you're looking for and we can potentially put together a quote that includes a discount.
How does your price matching policy work?
We strive to keep our pricing competitive and reasonable. If you find comparable items for sale at a lower price from other vendors please send us a link and or quote for the item and we'll do our best to match or beat the price.
Can I see the equipment in person before committing to a purchase?
Customers are welcome to make an appointment to view equipment in our warehouse. Given our workload we may not be able to test or clean the equipment prior to your arrival if you have not committed to an order.
1023 Western Avenue is a working warehouse, not a showroom, and customers should dress appropriately and wear closed toe shoes.
Can I ship products that I purchased elsewhere to American Instrument for repair?
Yes – please see our repair services page for more information.
