Front eye-level view of a Binder KMF 720 constant climate and humidity test chamber with its double outer doors swung open to reveal internal glass doors, stainless steel chamber interior, and wire shelving racks

Binder KMF 720 humidity test chamber

Product Code : SKU 3104I INC

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Binder KMF 720 Humidity Test Chamber

Modern product development depends on understanding how materials perform under controlled environmental conditions. From pharmaceutical stability testing and medical device validation to electronics qualification and packaging research, laboratories require climate chambers capable of reproducing highly accurate combinations of temperature and humidity over extended periods. The Binder KMF 720 Humidity Test Chamber was designed specifically for these demanding applications, delivering exceptional environmental precision within a spacious 720-liter (25.4 cubic foot) chamber.

The KMF 720 combines Binder's proven APT.line preheating chamber technology, responsive steam humidification, and compressor-based refrigeration to maintain remarkably stable environmental conditions throughout the chamber. With an operating range from -10°C to 100°C and humidity control from 10% to 98% RH, the chamber supports everything from accelerated aging studies and pharmaceutical stability testing to materials research and environmental simulation. Purchasing a refurbished Binder KMF 720 from American Instrument Exchange provides laboratories with one of the industry's most respected humidity test chambers while substantially reducing capital equipment costs.

Key Features

Approximately 720 L (25.4 cu. ft.) chamber capacity
Temperature range from -10°C to 100°C
Humidity range from 10% to 98% RH
APT.line preheating chamber technology
Capacitive humidity sensor
Responsive steam humidification
Compressor-based refrigeration system
Stainless steel chamber
Intuitive touchscreen controller
Internal data logger with USB export
Ethernet communications
Adjustable fan speed
Heated door to minimize condensation
Adjustable stainless steel shelving
Audible and visual alarm system
90-day warranty from American Instrument Exchange

Designed for Precision Climate Simulation

Many environmental chambers maintain acceptable temperatures under steady-state conditions. The Binder KMF 720 was engineered to do considerably more by maintaining highly uniform combinations of temperature and humidity throughout a large chamber while responding quickly to changing test profiles.

Binder's APT.line technology continuously conditions incoming air before it enters the working chamber, promoting exceptional temperature uniformity while reducing localized hot or cold spots that could influence test results. This approach is particularly valuable during long-duration qualification studies where repeatability is critical for product validation and regulatory compliance.

The KMF 720 is widely used throughout pharmaceutical laboratories, medical device manufacturers, electronics companies, packaging laboratories, aerospace suppliers, universities, and industrial research facilities where environmental simulation forms an essential part of product development.

Many laboratories operate the KMF 720 alongside analytical balances, laboratory refrigerators, environmental monitoring systems, materials testing equipment, and stability storage chambers to support complete product qualification workflows.

Common Applications

The Binder KMF 720 is commonly used for:

ICH pharmaceutical stability testing
Accelerated aging studies
Package integrity testing
Medical device validation
Electronics reliability testing
Polymer and plastics evaluation
Material conditioning
Environmental simulation
Shelf-life studies
Food packaging research
Cosmetics stability testing
Textile testing
Paper and packaging research
Quality assurance testing

Its broad operating range makes the chamber suitable for laboratories that require both refrigerated and elevated-temperature environmental testing while maintaining precise humidity control.

Ideal Laboratory Environments

The Binder KMF 720 is frequently installed in pharmaceutical companies, biotechnology laboratories, contract testing organizations, medical device manufacturers, industrial quality assurance laboratories, university research centers, and environmental testing facilities.

Its large chamber volume makes it especially well suited for laboratories processing numerous samples simultaneously or conducting multiple qualification studies within the same chamber. The ability to program complex environmental profiles also supports facilities performing product certification, accelerated aging, and regulatory testing according to internationally recognized standards.

Temperature Recovery and Environmental Stability

Accurate environmental testing depends on more than simply reaching a target temperature. The chamber must also maintain exceptional uniformity throughout its interior while recovering quickly after sample loading and routine access.

The Binder KMF 720 utilizes APT.line preheating chamber technology, which conditions circulating air before it enters the working chamber to produce highly uniform temperature distribution. Combined with compressor refrigeration and precision electronic controls, the system supports operation from -10°C to 100°C, allowing laboratories to perform refrigerated conditioning, ambient storage, and elevated-temperature aging studies within a single chamber. The responsive steam humidification system and capacitive humidity sensor maintain humidity levels between 10% and 98% RH, supporting highly reproducible environmental conditions across a wide range of testing applications.

Humidity Control and Environmental Performance

Humidity regulation is often the defining characteristic of advanced climate chambers, particularly when evaluating pharmaceutical products, polymers, packaging materials, or electronic assemblies.

The Binder KMF 720 utilizes a precision capacitive humidity sensor together with responsive steam humidification to provide accurate moisture control throughout long-duration testing protocols. An adjustable circulation fan allows airflow to be optimized for different sample types, while the heated door minimizes condensation that could otherwise influence humidity stability or interfere with sample observation. Together, these systems help laboratories maintain repeatable environmental conditions across weeks or months of continuous operation.

Sample Storage Recommendations

The Binder KMF 720 provides approximately 720 liters (25.4 cubic feet) of usable chamber space, allowing laboratories to evaluate large numbers of samples under identical environmental conditions. Its spacious stainless steel interior accommodates pharmaceuticals, medical devices, packaging materials, electronic components, polymers, composites, consumer products, cosmetics, textiles, food packaging, and other materials requiring tightly controlled combinations of temperature and humidity.

The adjustable stainless steel shelving system allows users to configure the chamber for products of varying sizes while maintaining adequate airflow around each sample. During environmental qualification studies, leaving sufficient space between shelves and avoiding obstruction of the air circulation system helps maximize temperature and humidity uniformity throughout the chamber.

For long-term stability or aging studies, organizing samples by project, production lot, or inspection interval can simplify retrieval while reducing unnecessary door openings. Minimizing chamber access helps preserve environmental stability and supports highly repeatable testing conditions over extended study durations.

Energy Efficiency and Operating Costs

The Binder KMF 720 was engineered for continuous operation in laboratories where climate chambers often run around the clock for weeks or months. Its combination of compressor-based refrigeration, intelligent microprocessor controls, and Binder's APT.line preheating chamber technology promotes efficient environmental conditioning while minimizing unnecessary energy consumption.

Rather than repeatedly correcting large temperature fluctuations, the APT.line system continuously conditions circulating air before it enters the working chamber, improving temperature uniformity and reducing recovery times following routine door openings. This controlled airflow strategy helps stabilize both temperature and humidity while reducing stress on the refrigeration and heating systems.

The chamber's insulated cabinet, heated door, and programmable operating profiles further contribute to efficient operation by reducing condensation and maintaining environmental consistency. For laboratories performing long-duration validation studies, these features help lower operating costs while supporting reproducible environmental testing.

Key Specifications

Specification	Details
Manufacturer	Binder
Model	KMF 720
Chamber Type	Humidity Test Chamber
Chamber Capacity	720 L (25.4 cu. ft.)
Chamber Material	Stainless Steel
Exterior Construction	Powder-Coated Steel
Temperature Range	-10°C to 100°C
Humidity Range	10% to 98% RH
Humidity Sensor	Capacitive Sensor
Humidification System	Steam Humidification
Cooling System	Compressor Refrigeration
Airflow Technology	APT.line Preheating Chamber Technology
Controller	Touchscreen Controller
Data Logging	Integrated Internal Data Logger
Communications	USB and Ethernet
Fan Speed	Adjustable
Door	Heated Viewing Door
Shelving	Adjustable Stainless Steel Shelves
Interior Dimensions	Approximately 38.2" W × 25.2" D × 47.2" H
Exterior Dimensions	Approximately 49.4" W × 37.7" D × 76.4" H
Electrical Requirements	230 V
Approximate Weight	Approximately 650 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 types of testing is the Binder KMF 720 designed for?

The Binder KMF 720 is intended for laboratories performing controlled temperature and humidity testing. Common applications include pharmaceutical stability studies, accelerated aging, electronics reliability testing, medical device validation, package integrity testing, polymer evaluation, cosmetics testing, and environmental simulation.

What is Binder APT.line technology?

APT.line preheating chamber technology conditions circulating air before it enters the working chamber, promoting excellent temperature uniformity throughout the cabinet. This design helps minimize temperature gradients, improves recovery after door openings, and supports highly reproducible environmental testing.

Why is humidity control important during environmental testing?

Many materials respond not only to temperature but also to moisture. Packaging adhesives, pharmaceutical formulations, plastics, electronics, textiles, and medical devices may perform differently under varying humidity conditions. Accurate humidity regulation allows laboratories to evaluate product performance under realistic storage and operating environments.

Can the KMF 720 perform refrigerated as well as elevated-temperature testing?

Yes. The chamber combines compressor refrigeration with precision heating to operate from -10°C to 100°C, allowing researchers to conduct refrigerated conditioning, ambient testing, accelerated aging, and elevated-temperature qualification within a single instrument.

How does the heated door improve chamber performance?

The heated viewing door helps reduce condensation on the interior glass during high-humidity operation. Maintaining a clear viewing area allows users to inspect samples without opening the chamber while also supporting more stable humidity conditions throughout long-duration testing.

Is the Binder KMF 720 appropriate for ICH stability studies?

Yes. The KMF series is widely used for pharmaceutical stability testing performed according to ICH guidelines because it provides accurate control of both temperature and relative humidity. Individual laboratories should validate the chamber according to their own quality systems and regulatory requirements.

Why do many laboratories choose Binder climate chambers?

Binder climate chambers have earned a strong reputation for precise environmental control, excellent chamber uniformity, reliable long-term operation, and user-friendly programming. Features such as APT.line airflow technology, integrated data logging, and flexible environmental profiles make them a popular choice for regulated laboratories and industrial research facilities.

Why purchase a refurbished Binder KMF 720 from American Instrument Exchange?

Purchasing a refurbished Binder KMF 720 from American Instrument Exchange provides access to a premium environmental test chamber at significant savings compared with purchasing new equipment. Every chamber is inspected and tested prior to shipment and includes a 90-day warranty, providing confidence that it is ready to support demanding laboratory testing applications.

Testing Procedures for Used and Refurbished Laboratory Incubators
Ensure Quality and Stability Before Use

Used and refurbished laboratory incubators from American Instrument Exchange are thoroughly tested to ensure optimal performance and temperature stability with laboratory safety standards. Each unit undergoes a detailed inspection and functionality assessment to meet the needs of research, clinical, and industrial labs.

Why Testing Used Laboratory Incubators Is Essential

Before a laboratory incubator is reintroduced into any work environment, it must be tested for:
• Temperature uniformity and accuracy
• Airflow and humidity control (if applicable)
• Door seal integrity and insulation effectiveness
• Electrical and safety system compliance

Comprehensive testing reduces the risk of culture loss, contamination, and equipment failure—especially critical in applications involving cell culture, microbiology, pharmaceutical research, and diagnostics.

Our multi-point testing protocol for used and refurbished incubators ensures reliability, safety, and performance across all models and brands.

Key Testing Procedures for Refurbished and Used Laboratory Incubators

1. Initial Visual Inspection
• Check for cosmetic damage, corrosion, and wear to exterior surfaces, door hinges, and gasket seals
• Inspect power cord, wiring, and display panel for any defects or signs of tampering
• Confirm that shelves, chamber components, and internal fixtures are present and undamaged

2. Functional Testing
• Power on the incubator and verify all display indicators and alarms function correctly
• Test door latch and seal mechanisms for proper closure and insulation
• Run basic temperature cycles to ensure the unit maintains stability over time

3. Temperature Accuracy and Uniformity Tests
• Test internal sensors and controllers using temperature probes
• Measure temperature consistency at multiple chamber locations over several hours
• Confirm that programmable temperature settings respond accurately

4. Airflow and Humidity Control (if applicable)
• Test internal fan operation and airflow distribution
• For humidified incubators, inspect and test humidity reservoirs, sensors, and control systems
• Check for condensation buildup and confirm environmental stability

5. Electrical Safety and Compliance Checks
• Ensure all electrical components are properly grounded
• Perform insulation resistance and leakage current tests
• Verify compliance with current electrical safety standards for laboratory equipment

6. Final Quality Assurance Checklist
• Perform full cycle testing at various temperature setpoints
• Document performance benchmarks and results

All refurbished incubators from American Instrument Exchange are backed by our commitment to quality and precision. With our strict testing procedures, you can rely on your incubator to deliver dependable results from day one.

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.