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LAB EQUIPMENT REPAIRS, INCLUDING ULTRALOW FREEZERS, FRIDGES, CENTRIFUGES AND MORE - Click here for details
LAB EQUIPMENT REPAIRS, INCLUDING ULTRALOW FREEZERS, FRIDGES, CENTRIFUGES AND MORE - Click here for details

Caron 7401-33-22 Reach-In CO₂ Incubator

Fully Tested & Warrantied*
Brand : Caron
Product Code : SKU 3137X INC

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

Caron 7401-33-22 Reach-In CO₂ Incubator

As cell culture operations grow beyond small research projects, laboratories often need substantially more incubation capacity than a traditional benchtop incubator can provide. The Caron 7401-33-22 Reach-In CO₂ Incubator was engineered specifically for high-volume cell culture, pilot production, bioprocess development, and shaker-based applications where capacity, environmental uniformity, and equipment integration are essential. With an impressive 33 cubic foot (934-liter) chamber, heavy-duty shaker-ready shelving, infrared CO₂ sensing, and precise temperature and humidity control, the 7401-33-22 provides the environmental stability required for large-scale cell culture while maintaining the flexibility demanded by modern biotechnology laboratories.

Unlike conventional laboratory incubators, the Caron 7401-33 Series was designed to support significantly heavier internal loads, including orbital shakers, roller bottle systems, bioreactor support equipment, and large quantities of culture vessels. Its refrigeration-assisted heating system maintains excellent temperature uniformity even when substantial internal heat loads are present, while the spacious reach-in cabinet provides more than four times the culture capacity of many standard benchtop incubators. Purchasing a refurbished Caron 7401-33-22 from American Instrument Exchange provides laboratories with a production-scale incubation platform at substantial savings compared with purchasing new equipment.


Key Features

  • Approximately 33 cu. ft. (934 L) chamber capacity

  • Reach-in, shaker-ready design

  • Temperature range from 20°C to 60°C

  • Infrared CO₂ sensor

  • CO₂ range from 0–20%

  • Refrigeration-assisted heating system

  • Temperature control to ±0.1°C

  • Temperature uniformity of ±0.3°C

  • Elevated humidity up to 95% RH

  • Heavy-duty reinforced stainless steel shelves

  • Three internal GFCI-protected electrical outlets

  • Stainless steel chamber interior

  • Adjustable shelving system

  • Digital microprocessor controller

  • 90-day warranty from American Instrument Exchange


Designed for Large-Scale Cell Culture

The Caron 7401-33-22 was developed for laboratories that have outgrown conventional incubators but still require precise environmental control. Its 934-liter chamber provides enough capacity to support hundreds of flasks, large roller bottle systems, orbital shakers, and pilot-scale culture workflows within a single incubator.

Unlike standard incubators that may struggle with internally generated heat, the Caron refrigeration-assisted environmental system continuously compensates for heat produced by shakers and other powered laboratory equipment operating inside the chamber. This capability allows laboratories to expand production while maintaining excellent temperature stability throughout the entire workspace.

The reinforced shaker-ready shelves are designed to support substantially heavier loads than conventional incubator shelves, making the 7401-33-22 an excellent solution for biotechnology companies scaling from research into process development or pilot manufacturing.


Common Applications

The Caron 7401-33-22 Reach-In CO₂ Incubator is commonly used for:

  • Large-scale mammalian cell culture

  • Suspension cell culture

  • Bioprocess development

  • Cell therapy manufacturing

  • Vaccine development

  • Monoclonal antibody production

  • Viral vector production

  • Biopharmaceutical research

  • Stem cell expansion

  • Process development

  • Pilot manufacturing

  • Orbital shaker incubation

  • Roller bottle culture

  • Contract manufacturing laboratories

Its combination of large capacity and shaker-ready construction makes it particularly valuable for laboratories transitioning from research-scale experiments to higher-volume production workflows.


Ideal Laboratory Environments

The Caron 7401-33-22 is well suited for biotechnology companies, pharmaceutical manufacturers, cell therapy facilities, vaccine development laboratories, contract development and manufacturing organizations (CDMOs), university bioprocess centers, and industrial research laboratories requiring production-scale incubation.

Because of its ability to accommodate heavy internal equipment while maintaining excellent environmental control, it is especially valuable for laboratories operating multiple orbital shakers or performing high-throughput suspension culture without dedicating several smaller incubators to the same workload.

Facilities utilizing biosafety cabinets, centrifuges, laboratory refrigerators, and ultra-low freezers often depend on large-capacity incubators such as the Caron 7401-33-22 to support cell culture and biological research workflows.


Temperature Recovery and Environmental Stability

One of the defining advantages of the Caron 7401-33-22 is its ability to maintain excellent environmental stability despite large product loads and internally generated heat. Rather than relying solely on electric heating elements, the chamber incorporates an adaptable refrigeration system that actively balances heating and cooling demands to maintain uniform environmental conditions throughout the cabinet. This design allows the incubator to recover rapidly after routine door openings while also compensating for heat generated by orbital shakers and other powered equipment.

Temperature is maintained between 20°C and 60°C with ±0.1°C control and ±0.3°C chamber uniformity, while the infrared CO₂ sensor delivers accurate atmospheric regulation from 0% to 20% CO₂. Elevated humidity approaching 95% RH further supports healthy mammalian cell growth by minimizing media evaporation during extended culture periods.


Built for Shaker-Based Bioprocessing

Unlike conventional reach-in incubators that primarily support static culture vessels, the Caron 7401-33-22 was engineered from the ground up to support dynamic bioprocess workflows. Heavy-duty reinforced shelving accommodates large orbital shakers and other laboratory equipment, while three internal GFCI-protected electrical outlets allow powered equipment to operate safely within the incubation chamber. Laboratories can expand suspension cell culture capacity without sacrificing environmental stability or requiring external wiring modifications.

The spacious interior, stainless steel construction, modular shelving system, and equipment-friendly environmental controls make the 7401-33-22 an excellent solution for laboratories performing vaccine production, antibody manufacturing, cell therapy process development, and other applications requiring production-scale incubation with integrated shaker support.

Sample Storage Recommendations

With approximately 33 cubic feet (934 liters) of usable chamber capacity, the Caron 7401-33-22 is designed for laboratories managing large-scale cell culture workflows and high-volume production. The spacious interior easily accommodates hundreds of tissue culture flasks, culture dishes, multiwell plates, roller bottles, spinner flasks, cell culture bags, and large orbital shaker platforms while maintaining consistent environmental conditions throughout the chamber.

The heavy-duty adjustable shelving system allows users to configure the incubator for a variety of applications, from static cell culture to shaker-based suspension culture. When installing orbital shakers or other powered laboratory equipment, weight should be distributed evenly across the reinforced shelves to promote stable operation and uniform airflow. Maintaining adequate clearance around equipment and culture vessels helps maximize temperature consistency, humidity distribution, and carbon dioxide uniformity throughout the chamber.

For laboratories operating multiple production campaigns simultaneously, assigning individual shelves or zones to specific projects can improve organization while minimizing unnecessary chamber access. Reducing door openings helps preserve environmental stability and supports more consistent culture performance during long-term production runs.


Energy Efficiency and Operating Costs

The Caron 7401-33-22 was engineered for continuous operation in demanding biotechnology and pharmaceutical laboratories where large equipment loads and extended incubation periods are common. Its refrigeration-assisted environmental control system automatically balances heating and cooling demands, allowing the chamber to compensate for heat generated by orbital shakers and other powered equipment operating inside the incubator.

Because a single 33 cubic foot reach-in incubator can replace multiple smaller incubators, many laboratories are able to simplify environmental control while reducing overall equipment footprint. Consolidating production into one large-capacity chamber can also reduce routine maintenance requirements and improve workflow efficiency by centralizing incubation operations.

The infrared CO₂ sensor provides long-term measurement stability with minimal routine calibration, while the durable stainless steel interior and reinforced shelving are designed to withstand years of continuous laboratory use. Together, these features help reduce maintenance demands while supporting dependable long-term operation in production environments.


Key Specifications

Specification Details
Manufacturer Caron
Model 7401-33-22
Incubator Type Reach-In CO₂ Incubator
Chamber Capacity Approximately 934 L (33 cu. ft.)
Temperature Range 20°C to 60°C
Temperature Control ±0.1°C
Temperature Uniformity ±0.3°C
CO₂ Range 0% to 20%
CO₂ Sensor Infrared (IR)
Relative Humidity Up to Approximately 95% RH
Chamber Material Stainless Steel
Shelving Heavy-Duty Adjustable Stainless Steel Shelves
Internal Electrical Outlets Three GFCI-Protected Receptacles
Interior Dimensions Approximately 32" W × 27" D × 65.7" H
Exterior Dimensions Approximately 33.5" W × 33.3" D × 90.1" H
Controller Digital Microprocessor
Electrical Requirements 115 V
Approximate Weight Approximately 700 lb

Specifications are believed to be accurate but may vary depending on factory-installed options. Please verify all specifications prior to purchase.


Frequently Asked Questions

What makes the Caron 7401-33-22 different from a standard CO₂ incubator?

The 7401-33-22 is a large-capacity reach-in incubator designed for production-scale cell culture and shaker-based applications. Its 33 cubic foot chamber, reinforced shelving, and internal electrical outlets allow laboratories to incubate substantially larger workloads than traditional benchtop incubators.

Can orbital shakers be operated inside the incubator?

Yes. One of the defining features of the 7401-33-22 is its ability to support orbital shakers and other powered laboratory equipment. Heavy-duty shelving and three internal GFCI-protected electrical outlets allow shaker-based suspension culture without requiring external wiring.

Why is refrigeration important in a CO₂ incubator?

The refrigeration-assisted environmental control system helps remove excess heat generated by internal equipment such as orbital shakers. This allows the chamber to maintain stable temperatures even under heavy operating loads and improves recovery after routine door openings.

What types of research is this incubator best suited for?

The Caron 7401-33-22 is commonly used for bioprocess development, suspension cell culture, vaccine development, monoclonal antibody production, viral vector manufacturing, stem cell expansion, cell therapy development, pharmaceutical research, and other large-scale biotechnology applications.

How does the infrared CO₂ sensor benefit laboratories?

Infrared CO₂ sensors provide highly accurate carbon dioxide measurement that is largely unaffected by chamber humidity. This allows stable environmental control during long production runs while reducing routine calibration requirements.

Is this incubator suitable for pilot manufacturing?

Yes. Its large chamber capacity, reinforced shaker-ready shelving, and production-oriented design make it well suited for pilot-scale manufacturing, process development, and scale-up activities before full commercial production.

What are the benefits of a large-capacity reach-in incubator?

A large-capacity incubator allows laboratories to consolidate multiple projects into a single controlled environment, reducing equipment footprint, simplifying workflow, and supporting higher production volumes without operating numerous smaller incubators.

Why purchase a refurbished Caron 7401-33-22 from American Instrument Exchange?

Purchasing a refurbished Caron 7401-33-22 from American Instrument Exchange provides laboratories with a premium production-scale CO₂ incubator at substantial savings compared with purchasing new equipment. Combining a 33 cubic foot chamber, infrared CO₂ sensing, refrigeration-assisted environmental control, heavy-duty shaker-ready shelving, and internal GFCI electrical outlets, the 7401-33-22 is designed to support demanding biotechnology and pharmaceutical production workflows. Every incubator is inspected and tested prior to shipment and includes a 90-day warranty for added confidence.

Testing Procedures for Used and Refurbished CO₂ Laboratory Incubators
Ensure Atmosphere Control, Temperature Accuracy, and Regulatory Compliance

At American Instrument Exchange, all used and refurbished CO₂ incubators undergo a multi-step testing and calibration process. These procedures are designed to ensure precise environmental control, microbial safety, and long-term reliability—critical for cell culture, IVF, tissue engineering, and pharmaceutical R&D applications.

Why Testing Used CO₂ Incubators Is Essential

Before a CO₂ incubator is redeployed into a laboratory, it must be thoroughly tested for:
• CO₂ sensor accuracy and gas concentration control
• Temperature uniformity and stability
• Humidity system function
• HEPA filtration and contamination control
• Electrical and safety compliance

Proper testing ensures viable growth environments for sensitive cultures and prevents costly contamination or culture loss in high-stakes lab environments.

Our standardized refurbishment protocol ensures used CO₂ incubators deliver laboratory grade performance at a fraction of the cost of comparable new units.

Key Testing Procedures for Refurbished and Used CO₂ Incubators

1. Initial Visual Inspection
• Inspect the exterior for corrosion, dents, or door alignment issues
• Check door gasket integrity and hinge function
• Verify presence and condition of internal shelves, water pans, and humidity trays
• Examine power cords, gas connectors, and display interfaces for signs of wear

2. Functional Startup Test
• Power on the unit and check for successful system boot
• Verify touchscreen or keypad response, and test all user-programmable settings
• Check door alarms and temperature/CO₂ alerts

3. Temperature Control and Uniformity Testing
• Use temperature probes to verify internal temperature accuracy
• Monitor temperature uniformity across multiple chamber zones
• Ensure fast recovery times after door openings

4. CO₂ Sensor Testing and Gas Delivery System Test
• Test accuracy of infrared (IR) or thermal conductivity (TC) CO₂ sensors using certified reference gas and probes/Fyrite analyzers
• Test inlet pressure regulators and gas flow control systems
• Confirm stable CO₂ levels at multiple setpoints (e.g., 5%, 10%)
• Check for proper mixing and diffusion throughout the chamber

5. Humidity and Contamination Control Testing
• Test humidity generation (via water pan or active system) and verify chamber RH levels
• Inspect HEPA filters (if equipped) and airflow systems for particulate control
• Sanitize interior and confirm antimicrobial coatings or copper components are intact

6. Electrical Safety and Compliance Check
• Ensure proper grounding and insulation of all electrical components
• Perform leak and continuity testing
• Verify the unit meets electrical safety standards for laboratory environments

7. Final Quality Assurance and Performance Validation
• Run a 24-hour performance cycle with monitored CO₂, temperature, and RH
• Document data and final readings
• Complete service report

All refurbished CO₂ incubators sold by American Instrument Exchange are tested to meet the performance demands of today's advanced laboratory workflows—ensuring safety, precision, and peace of mind with every unit.

Repair and Refurbishment Protocol for Used Laboratory Incubators
Performance and Quality from American Instrument Exchange

At American Instrument Exchange, every used laboratory incubator we sell goes through a repair and refurbishment protocol. Whether it’s a standard, CO₂, or refrigerated incubator, our goal is to restore each unit to laboratory-level performance—ensuring temperature accuracy, environmental stability, and long-term reliability in your lab.

Why Choose a Refurbished Laboratory Incubator from American Instrument Exchange?

• Fully tested for performance and safety
• Backed by a warranty
• Cost-effective alternative to new equipment
• Environmentally sustainable through reuse and restoration
• Refurbished by expert technicians with decades of lab equipment experience

Step-by-Step Refurbishment Protocol

Every incubator at American Instrument Exchange follows this comprehensive, multi-stage process:

1. Initial Intake & Inspection
• Visual inspection for cosmetic wear, corrosion, dents, or broken components
• Mechanical assessment of door hinges, gaskets, seals, and chamber components
• Document any missing parts or issues requiring repair or replacement

2. Cleaning and Decontamination
• Thorough internal and external cleaning using non-abrasive solutions
• Decontamination/cleaning of surfaces to remove biological, chemical, or particulate residue
• Cleaning of removable parts (e.g., shelves, trays, etc.)

3. Mechanical and Electrical Repair
• Repair or replacement of worn mechanical components such as door latches, fans, hinges, and seals
• Evaluation and repair of control panels, switches, thermostats, and displays
• Inspection and testing of wiring, fuses, relays, and power supplies

4. Environmental Control System Assessment
• For CO₂ incubators: CO₂ sensors, regulators, and gas delivery systems are tested
• For refrigerated incubators: compressors, condensers, and cooling systems are evaluated for performance and leaks
• Fan motors and airflow systems are tested to ensure uniform environmental conditions

5. Temperature and Sensor Testing
• All temperature sensors and controllers are tested using thermometers/probes
• Uniformity and accuracy tested at multiple chamber locations
• For humidified or CO₂ incubators, humidity and CO₂ stability are verified

6. Safety System Testing
• Test of over-temperature protection systems and alarms
• Evaluation of door sensors, safety interlocks, and power failure recovery

7. Final Quality Control and Documentation
• Full performance test run over 24 hours
• Validation of setpoints for temperature, CO₂ (if applicable), and humidity (if applicable)
• Final inspection and cleaning before packaging
• Complete service report

Trust the Experts at American Instrument Exchange

With over 50 years in the lab equipment industry, American Instrument Exchange is a trusted source for high-quality refurbished laboratory incubators. Our proven refurbishment protocol ensures every unit is reliable, accurate, and ready to meet the demands of your lab from day one.

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.