Thermo Scientific Megafuge ST4R Plus MD

Product Code : SKU 1397HHH CENTRI

$9,900.00

Price Match Policy

Shipping

All products ship from our 30,000 sq. ft. Haverhill, MA warehouse

Thermo Scientific Megafuge ST4R Plus MD Refrigerated Benchtop Centrifuge with TX-1000 Rotor and Buckets

The Thermo Scientific Megafuge ST4R Plus MD is a refrigerated benchtop centrifuge designed for clinical laboratories, biotechnology workflows, pharmaceutical environments, blood processing applications, and general laboratory sample preparation. This particular configuration includes the Thermo Scientific TX-1000 swinging bucket rotor with buckets, providing flexible high-capacity processing capability for blood tubes, conical tubes, bottles, and clinical sample preparation workflows.

Laboratories evaluating refrigerated benchtop centrifuges often compare refrigeration stability, rotor flexibility, throughput capability, maximum RPM and RCF performance, and workflow versatility when selecting a centrifuge system. The Thermo Scientific Megafuge ST4R Plus MD is engineered specifically for laboratories requiring reliable refrigerated centrifugation for blood tubes, conical tubes, plates, and clinical sample processing workflows. The included TX-1000 rotor configuration makes the system especially valuable for laboratories requiring high-throughput sample preparation and blood processing flexibility.

At American Instrument Exchange, our technicians inspect and test each centrifuge to verify proper refrigeration performance, motor operation, braking systems, lid lock functionality, and controller operation 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 Thermo Scientific, Beckman Coulter, Eppendorf, and more.

Features of the Thermo Scientific Megafuge ST4R Plus MD

Refrigerated benchtop centrifuge
Thermo catalog number 75009519
Includes Thermo Scientific TX-1000 swinging bucket rotor with buckets
Maximum speed of 15,200 RPM
Maximum force of 25,830 x g
High-capacity benchtop design
Refrigerated chamber for temperature-sensitive workflows
Temperature range from -10°C to +40°C
Supports blood tubes, conical tubes, bottles, and plate workflows
Touchscreen control interface
Quiet laboratory operation
Adjustable acceleration and deceleration profiles
Automatic rotor recognition
Clinical and research laboratory compatibility
Compact laboratory footprint
90-day warranty included from American Instrument Exchange
Refurbished and tested by American Instrument Exchange

The Thermo Scientific Megafuge ST4R Plus MD is designed to provide high-throughput refrigerated centrifugation while maintaining a compact footprint suitable for busy clinical and research laboratory environments.

Overview of the Thermo Scientific Megafuge ST4R Plus MD Refrigerated Centrifuge

The Thermo Scientific Megafuge ST4R Plus MD is a refrigerated benchtop centrifuge optimized for clinical diagnostics, molecular biology, biotechnology workflows, pharmaceutical sample preparation, blood processing applications, and general laboratory centrifugation procedures. Unlike large floor model centrifuges designed for industrial bioprocessing applications, the Megafuge ST4R Plus MD is engineered specifically for laboratories requiring versatile refrigerated sample processing capability in a benchtop format.

The included Thermo Scientific TX-1000 swinging bucket rotor with buckets supports a broad range of sample formats including blood collection tubes, conical tubes, bottles, and clinical laboratory vessels. The refrigerated chamber helps maintain stable sample temperatures during centrifugation, making the Megafuge ST4R Plus MD particularly well suited for temperature-sensitive biologic, pharmaceutical, and clinical laboratory workflows where preserving sample integrity is essential.

The combination of touchscreen controls, refrigeration performance, flexible rotor compatibility, and compact laboratory footprint makes the Thermo Scientific Megafuge ST4R Plus MD especially valuable in hospitals, biotechnology facilities, pharmaceutical laboratories, academic research environments, and clinical laboratory settings where workflow flexibility and high-throughput processing capability are important considerations.

Browse additional used centrifuges for sale from American Instrument Exchange.

Common Applications for the Thermo Scientific Megafuge ST4R Plus MD

The Thermo Scientific Megafuge ST4R Plus MD is commonly used for blood and plasma separation, clinical diagnostics, molecular biology workflows, pharmaceutical sample preparation, microbiology applications, biotechnology workflows, protein purification, cell culture harvesting, and general laboratory centrifugation procedures. The refrigerated chamber helps maintain stable sample temperatures during centrifugation, making the system particularly well suited for temperature-sensitive clinical and biologic applications where preserving sample integrity and workflow reproducibility are critical. The included TX-1000 rotor with buckets allows laboratories to process blood tubes, conical tubes, bottles, and clinical sample formats efficiently using a single refrigerated centrifuge platform.

Rotor Compatibility and Included Accessories

Rotor compatibility is one of the most important considerations when purchasing a laboratory centrifuge. The Thermo Scientific Megafuge ST4R Plus MD is designed to support a variety of clinical and research laboratory workflows depending on installed rotor configuration.

This particular system includes:

Thermo Scientific TX-1000 swinging bucket rotor
Rotor buckets
Power cord

Depending on configuration, the Thermo Scientific Megafuge ST4R Plus MD may support:

Blood tube processing
Conical tube workflows
Swinging bucket rotors
Fixed-angle rotors
Microplate applications
Bottle processing
Clinical diagnostics workflows
Biotechnology sample preparation

The included TX-1000 rotor with buckets allows laboratories to perform high-throughput refrigerated centrifugation for a broad range of blood processing and clinical laboratory applications.

Customers should verify included rotors prior to purchase, as centrifuge configurations can vary between systems.

Specifications for the Thermo Scientific Megafuge ST4R Plus MD

Specification	Details
Manufacturer	Thermo Scientific
Model	Megafuge ST4R Plus MD
Centrifuge Type	Refrigerated Benchtop Centrifuge
Included Rotor	TX-1000 Swinging Bucket Rotor
Included Accessories	Rotor Buckets
Maximum Speed	15,200 RPM
Maximum RCF	25,830 x g
Temperature Range	-10°C to +40°C
Refrigeration Type	Compressor-Based Refrigeration
Control Interface	Touchscreen Display
Electrical Requirements	120V, 50/60Hz
Dimensions	Approx. 28" W x 26" D x 15" H
Weight	Approx. 220 lbs

Specifications are provided to assist with planning and installation. Rotor compatibility, included accessories, and system configuration may vary depending on the specific unit available for sale.

Power Requirements and Shipping Considerations

The Thermo Megafuge ST4R Plus MD typically requires 120V, 50/60Hz electrical service and is designed for benchtop laboratory installation. Laboratories should verify electrical compatibility, available bench space, and ventilation requirements prior to purchasing this centrifuge.

Although the Megafuge ST4R Plus MD is a benchtop centrifuge, the system contains refrigeration components and sensitive internal electronics that typically require palletized freight shipment or specialized protective packaging during transport. Laboratories should verify installation space, loading dock access, and electrical compatibility prior to delivery.

American Instrument Exchange can assist customers with freight coordination, shipping preparation, and installation planning for refrigerated laboratory centrifuges.

Refurbished Centrifuges from American Instrument Exchange

American Instrument Exchange specializes in refurbished laboratory centrifuges including refrigerated centrifuges, floor model centrifuges, benchtop centrifuges, blood banking centrifuges, and bioprocessing centrifuge systems.

Our technicians inspect and test centrifuges 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 combination together to verify compatibility and operational performance.

Browse additional used centrifuges for sale, laboratory freezers and ultralow freezers, laboratory incubators, and biosafety cabinets from American Instrument Exchange.

Service and Support for Laboratory Centrifuges

American Instrument Exchange and AIE Laboratory Services provide centrifuge repair, preventive maintenance, diagnostics, and laboratory equipment service for many Thermo Scientific centrifuge models.

Available services may include:

Refrigeration system service
Centrifuge diagnostics
Rotor inspection
Preventive maintenance
Controller troubleshooting
Calibration support
General laboratory equipment repair

In addition to centrifuges, we also service laboratory freezers and ultralow freezers, biosafety cabinets, incubators, laboratory refrigerators, cryostats, freeze dryers, and other laboratory equipment.

Thermo Scientific Megafuge ST4R Plus MD Refrigerated Benchtop Centrifuge Frequently Asked Questions

What rotor is included with this Thermo Scientific Megafuge ST4R Plus MD?

This system includes the Thermo Scientific TX-1000 swinging bucket rotor with buckets for high-throughput clinical and laboratory sample processing workflows.

What is the Thermo Scientific Megafuge ST4R Plus MD used for?

The Thermo Scientific Megafuge ST4R Plus MD is commonly used for clinical diagnostics, blood processing, molecular biology workflows, pharmaceutical sample preparation, biotechnology applications, and general laboratory centrifugation procedures.

Is the Megafuge ST4R Plus MD refrigerated?

Yes. The Megafuge ST4R Plus MD is a refrigerated benchtop centrifuge with a temperature range of approximately -10°C to +40°C.

What is the TX-1000 rotor used for?

The TX-1000 swinging bucket rotor is designed for blood tubes, conical tubes, bottles, and clinical laboratory sample processing workflows.

What is the maximum RPM of the Thermo Megafuge ST4R Plus MD?

The Thermo Scientific Megafuge ST4R Plus MD has a maximum speed of 15,200 RPM depending on installed rotor configuration.

What is the maximum RCF of the Thermo Megafuge ST4R Plus MD?

The centrifuge is capable of generating forces up to 25,830 x g depending on rotor configuration.

Does the Megafuge ST4R Plus MD support blood tube processing?

Yes. The included TX-1000 rotor configuration supports blood collection tubes and clinical laboratory workflows.

Does the Thermo Scientific Megafuge ST4R Plus MD require freight shipping?

Yes. Due to refrigeration components and system weight, the Megafuge ST4R Plus MD typically ships via palletized freight carrier or specialized protective shipment methods.

Can American Instrument Exchange service Thermo Scientific centrifuges?

Yes. AIE Laboratory Services provides service and preventive maintenance support for many Thermo Scientific centrifuge systems.

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.

Please contact our team at info@americaninstrument.com for more details.

FAQ

Does the equipment come with a warranty?

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.