Thermo Forma 906 ultralow

Brand : Thermo

Product Code : SKU 2545SS FREEZER

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Shipping

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

Thermo Forma 906 Ultra-Low Temperature Freezer

As research programs expand, so do their sample collections. Laboratories need an ultra-low freezer that offers generous storage capacity, dependable temperature performance, and an organized interior that makes valuable specimens easy to locate without unnecessary door-open time. The Thermo Forma 906 Ultra-Low Temperature Freezer delivers exactly that combination, providing reliable -86°C storage in a proven 23 cubic foot platform trusted by research laboratories around the world.

With 23 cubic feet (651 liters) of storage capacity and room for approximately 400 standard 2-inch cryoboxes, the Forma 906 is an excellent solution for biotechnology companies, pharmaceutical manufacturers, universities, hospitals, public health laboratories, and biobanks. Its upright, single-door configuration maximizes usable storage while providing an intuitive layout for organizing large biological collections by investigator, project, or department.

Many laboratories pair the Forma 906 with laboratory refrigerators for refrigerated reagents, laboratory freezers for routine frozen storage, cryogenic storage systems for liquid nitrogen preservation, and biosafety cabinets for sterile sample preparation.

Thermo Forma 906 Key Features

23 cu. ft. (651 L) storage capacity
Holds approximately 400 standard 2-inch cryoboxes
Adjustable temperature range from -50°C to -86°C
Single exterior door
Four insulated interior compartment doors
Heavy-duty cascade refrigeration system
Microprocessor control and monitoring system
Power management system with low-voltage surge protection
Five-inch foamed-in-place polyurethane insulation
Heavy-gauge cold-rolled steel cabinet with powder-coated finish
Lockable door
Refurbished and performance tested by American Instrument Exchange
90-day warranty included

Thermo Forma 906 Overview

The Forma 906 has long been recognized as one of Thermo's most dependable laboratory ultra-low freezers. Built around a robust cascade refrigeration system and heavy-duty steel construction, it was designed for continuous operation in demanding research environments where long-term sample preservation is critical.

Unlike the double-door Forma 8690 and 8695 models, the Forma 906 features a full-width single exterior door that maximizes uninterrupted storage space. Inside the cabinet, four insulated compartment doors minimize cold air loss during sample retrieval by exposing only one section of the freezer at a time. This combination of generous storage capacity and organized compartmentalization makes the Forma 906 particularly well suited for centralized laboratory storage where maximizing usable freezer volume is a priority.

Common Applications

The Thermo Forma 906 is commonly used for storing:

Stem cells
Cell lines
DNA and RNA libraries
PBMCs
Plasma and serum
Tissue specimens
Vaccines
Protein samples
Enzymes
Clinical trial materials
Pharmaceutical compounds
Long-term biological collections

Its 23 cubic foot capacity makes it well suited for laboratories supporting multiple investigators while maintaining centralized inventory management.

Ideal Laboratory Types

The Forma 906 is an excellent choice for:

Biotechnology companies
Pharmaceutical manufacturers
Academic research laboratories
Hospitals
Clinical laboratories
Public health laboratories
Government research facilities
Biobanks
Contract research organizations

Laboratories that require substantial storage capacity without moving to an extra-large 28 cubic foot freezer will appreciate the Forma 906's balance of capacity, accessibility, and proven reliability.

Temperature Recovery & Inventory Organization

The Forma 906 accommodates approximately 400 standard 2-inch cryoboxes, providing ample room to organize samples by investigator, department, project, or study. Well-organized storage not only improves workflow but also reduces door-open time during sample retrieval.

Four insulated interior doors help maintain stable cabinet temperatures by limiting cold air loss to a single compartment during access. Combined with the freezer's heavy insulation and proven refrigeration system, this design supports dependable temperature recovery throughout normal laboratory operation.

Typical Stored Materials

The Thermo Forma 906 is commonly used for preserving stem cells, cell lines, PBMCs, DNA and RNA libraries, plasma, serum, tissue specimens, vaccines, protein samples, pharmaceutical compounds, and other biological materials requiring storage down to -86°C.

Applications requiring storage below -150°C are generally better suited for dedicated cryogenic storage systems.

Thermo Forma 906 Key Specifications

Capacity

23.0 cu. ft. (651 L)

Cryobox Capacity

Approximately 400 standard 2-inch cryoboxes

Temperature Range

Adjustable from -50°C to -86°C

Door Configuration

Single exterior door
Four insulated interior compartment doors

Refrigeration System

Two-stage cascade refrigeration
Dual 1 HP compressors

Monitoring & Controls

Microprocessor controller
Digital temperature display
Audible and visual alarms
Integrated power management with low-voltage surge protection

Insulation

Five-inch foamed-in-place polyurethane insulation

Electrical Requirements

230V, 50/60 Hz (verify facility power prior to installation)

Exterior Dimensions

40.8" W × 38.9" D × 77.9" H

Interior Dimensions

30.6" W × 25.3" D × 51.5" H

Shipping Weight

Approximately 855–900 lbs., depending on configuration.

Operating Costs & Energy Considerations

The Forma 906 utilizes Thermo's proven cascade refrigeration platform, emphasizing durability and long-term reliability. While newer ultra-low freezer platforms often focus on reducing electrical consumption, the Forma 906 remains popular because of its serviceability, robust construction, and consistent performance over many years. Routine condenser cleaning, adequate ventilation, and preventative maintenance will help maximize cooling efficiency and extend compressor life.

Specifications compiled from Thermo Scientific manufacturer literature and American Instrument Exchange product information.

Refurbishment & Testing Process

Every Thermo Forma 906 received by American Instrument Exchange undergoes a comprehensive inspection and performance evaluation before shipment. Our technicians verify refrigeration performance, pull-down capability, temperature stability, controller functionality, alarm systems, power management features, door seals, insulated compartment doors, shelving, and overall cabinet condition before thoroughly cleaning the freezer for delivery.

Laboratories building complete cold storage systems frequently purchase laboratory refrigerators, laboratory freezers, cryogenic storage systems, biosafety cabinets, and centrifuges from American Instrument Exchange.

Shipping & Installation Considerations

The Thermo Forma 906 ships by freight from American Instrument Exchange. Before delivery, laboratories should verify doorway clearances, available floor space, electrical service, and adequate ventilation around the cabinet. Organizing cryoboxes by project or department before placing the freezer into service can improve retrieval efficiency while minimizing unnecessary door openings.

Frequently Asked Questions

How many cryoboxes can the Thermo Forma 906 hold?

The Forma 906 accommodates approximately 400 standard 2-inch cryoboxes, making it well suited for centralized laboratory storage and multi-investigator research programs.

What is the difference between the Forma 906 and the Forma 8695?

Both models provide approximately 23 cubic feet of storage, but the Forma 906 features a single exterior door that maximizes uninterrupted storage space. The Forma 8695 uses a double-door configuration, which reduces cold air loss during frequent sample access by allowing users to open only one side of the cabinet at a time.

Why are insulated interior doors important?

The insulated compartment doors reduce cold air loss during sample retrieval, helping the freezer recover temperature more quickly while protecting stored biological materials.

How is the freezer tested before shipment?

Every refurbished Thermo Forma 906 is inspected, cleaned, and performance tested by American Instrument Exchange technicians to verify refrigeration performance, pull-down capability, temperature stability, controller operation, alarms, and overall system reliability before shipment.

Testing Procedures for Used and Refurbished Ultralow Freezers
Ensure -80°C Stability and Critical Sample Protection

Used and refurbished ultralow freezers from American Instrument Exchange are rigorously tested to ensure reliable long-term storage at temperatures as low as -80°C. Each unit undergoes a detailed inspection, full system evaluation, and extended runtime testing to meet the high standards required by research, clinical, and biorepository environments.

Why Testing Used Ultralow Freezers Is Essential

Before an ultralow freezer is placed back into service, it must be carefully tested for:
• Temperature stability and uniformity at ultralow levels (e.g., -70°C to -86°C)
• Cascade refrigeration system functionality and compressor health
• Seal and insulation effectiveness to prevent thermal loss
• Electrical safety, alarm functionality, and system compliance

Thorough testing helps prevent temperature excursions and equipment failure—crucial for protecting sensitive materials such as biological samples, vaccines, enzymes, and research specimens.
Our structured ULT testing protocol ensures each refurbished unit delivers dependable performance and long-term reliability.

Key Testing Procedures for Refurbished and Used Ultralow Freezers

1. Initial Visual Inspection

• Inspect external cabinet, hinges, and door gaskets for wear, corrosion, or damage
• Check power cords, plugs, and control interfaces for signs of wear or tampering
• Verify that internal racks, shelving, and chamber components are intact and operational

2. Functional Startup and Control Testing

• Power on the unit and confirm successful initialization of digital displays and alarm systems
• Test control panels, keypad responsiveness, and user-setpoint functionality
• Verify that door seals close tightly and form a secure barrier

3. Temperature and -80°C Stability Testing

• Test and evaluate internal temperature sensors thermometers/probes
• Monitor temperature performance at multiple chamber points over extended runtimes
• Confirm uniformity and stability at key setpoints, including -70°C, -80°C, and -86°C

4. Refrigeration System and Cascade Compressor Evaluation

• Test dual-stage (cascade) compressor function, startup times, and cycling behavior
• Evaluate evaporator coils, heat exchangers, and vacuum insulation panels for performance and integrity
• Check for refrigerant leaks, low-pressure faults, and abnormal compressor noise

5. Alarm and Safety System Verification

• Test high/low temperature alarms, power failure alerts, and battery backup systems (if equipped)
• Verify lockout controls, alarm delay settings, and door-open indicators

6. Final Quality Assurance and Documentation

• Run a continuous multi-day test cycle at -80°C to confirm sustained performance
• Document temperature logs, controller accuracy, and compressor behavior
• Complete a detailed service report

Dependable Performance from American Instrument Exchange

All refurbished ultralow freezers from American Instrument Exchange are tested to exacting standards for performance, safety, and reliability. With our rigorous inspection and testing procedures, you can trust your ULT freezer to deliver consistent -80°C storage from day one—ideal for research, clinical, pharmaceutical, and biobanking applications.

Repair and Refurbishment Protocol for Used Ultralow Freezers
-80°C Storage Performance from American Instrument Exchange

At American Instrument Exchange, every used ultralow temperature freezer (ULT freezer) undergoes a rigorous, multi-step refurbishment protocol designed to restore reliable -80°C performance. Whether upright, chest-style, or undercounter, our refurbished ULT freezers are tested and restored to deliver the cold storage precision required for biological samples, vaccines, enzymes, and other temperature-sensitive materials.

Why Choose a Refurbished Ultralow Freezer from American Instrument Exchange?

• Fully tested for -80°C cold storage stability and compressor performance
• Backed by a warranty
• A cost-effective alternative to expensive new ULT units
• Environmentally responsible through equipment reuse and waste reduction
• Serviced by experienced technicians specializing in laboratory-grade refrigeration

Step-by-Step Ultralow Freezer Refurbishment Protocol

Every ultralow freezer sold by American Instrument Exchange is carefully evaluated and restored through the following process:

1. Initial Intake & Inspection

• Exterior inspection for dents, corrosion, or physical damage
• Evaluation of door seals, hinges, and internal chamber components
• Documentation of missing parts or components requiring repair

2. Cleaning and Decontamination

• Comprehensive interior and exterior cleaning using non-abrasive cleaners
• Removal of dust, frost buildup, and residual contaminants
• Decontamination of all internal surfaces and removable parts like shelves and drawers

3. Mechanical and Electrical Repairs

• Replacement or repair of worn or damaged components (door latches, hinges, gaskets, etc.)
• Inspection and repair of control boards, displays, sensors, and switches
• Electrical system evaluation, including fuses, wiring, relays, and connectors

4. Ultralow Refrigeration System Assessment

• Testing of dual-stage compressors and cascade cooling system
• Evaluation of heat exchangers, evaporator coils, and vacuum insulation panels
• Inspection for refrigerant leaks, low pressure, or signs of compressor fatigue
• Verification of thermal insulation integrity

5. Temperature and Performance Testing

• Testing of internal temperature sensors and controllers
• Multi-point testing to verify chamber temperature uniformity at -80°C
• Long-duration, multi-day operational testing to ensure sustained ultralow performance

6. Safety and Compliance Checks

• Electrical safety testing and grounding verification
• Alarm function tests for high/low temperature alerts and power failure warnings

7. Final Quality Control and Documentation

• Multi-day runtime validation at -80°C
• Recording of temperature logs, compressor cycle data, and performance benchmarks
• Final inspection and service/testing report completed

Trust the Experts at American Instrument Exchange

With over 50 years in the lab equipment industry, American Instrument Exchange is your trusted source for refurbished ultralow freezers. Our certified refurbishment protocol ensures each ULT freezer delivers the precision, performance, and reliability your lab needs—at a fraction of the cost of new equipment.

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.