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Binder VD-23 Vacuum Drying Oven – Used and Refurbished
The Binder VD-23 Vacuum Drying Oven is a precision laboratory oven designed for gentle drying, moisture removal, and thermal processing of heat-sensitive materials under reduced pressure. Featuring a compact 23-liter (0.8 cu. ft.) chamber, temperatures up to 200°C, and Binder's APT.line temperature control technology, the VD-23 provides reliable drying performance for pharmaceutical, chemical, biotechnology, and materials science laboratories.
Unlike conventional gravity or forced-air laboratory ovens, the Binder VD-23 operates under vacuum, allowing moisture and compatible nonflammable solvents to evaporate at lower temperatures. This makes it particularly useful for samples that may degrade, oxidize, or experience unwanted chemical changes during conventional atmospheric-pressure drying.
The VD-23 incorporates Binder's direct heat-transfer expansion rack system, designed to provide efficient thermal contact between the heated chamber and the samples being processed. Its programmable temperature controller, safety glass viewing window, and inert gas connection provide additional flexibility for laboratory drying applications.
This Binder VD-23, catalog number 9030-0023 and AIE inventory number 3675H, was offered used and refurbished by American Instrument Exchange. Although this particular unit is currently out of stock, AIE regularly supplies refurbished vacuum ovens and other laboratory drying equipment backed by a 90-day warranty.
Key Features
Binder VD-23 laboratory vacuum drying oven
Compact 23-liter (0.8 cu. ft.) chamber
Temperature range from approximately ambient +5°C to 200°C, as listed by AIE
Designed for vacuum drying of compatible nonflammable materials and solvents
Binder APT.line preheating chamber technology
Direct heat-transfer expansion rack system
Programmable electronic temperature controller
Stainless steel vacuum chamber
Safety glass viewing window with spring-mounted protection
Inert gas connection for compatible applications
Adjustable temperature safety protection
Suitable for gentle drying of heat-sensitive samples
Vacuum pump connection for use with an external pump
Refurbished and tested by American Instrument Exchange
90-day warranty on refurbished equipment
Overview
The Binder VD-23 is part of Binder's VD series of laboratory vacuum drying ovens, developed for applications requiring controlled heating under reduced pressure.
Vacuum drying lowers the pressure surrounding a sample, reducing the boiling point of water and compatible solvents. This allows drying to occur at temperatures below those normally required under atmospheric conditions.
The VD-23 combines controlled heating with a sealed chamber that can be connected to an appropriate external vacuum pump.
Its compact design makes it particularly useful for laboratories processing smaller batches of powders, granules, chemicals, pharmaceutical intermediates, and other temperature-sensitive materials.
The oven's direct heat-transfer shelf system helps distribute thermal energy to samples without relying on conventional forced-air circulation.
Common Applications
The Binder VD-23 is used for drying heat-sensitive laboratory samples, removing moisture from powders and granules, drying pharmaceutical intermediates, conditioning polymers and resins, preparing analytical samples, and conducting research involving controlled vacuum and temperature conditions.
Additional applications include materials science, chemical synthesis, sample preparation, and drying processes where reduced oxygen exposure may be beneficial.
All applications must be compatible with the oven's temperature, pressure, and chemical safety requirements. The standard VD series is not intended for processing flammable solvent vapors.
Key Specifications
Specification
Details
Manufacturer
Binder
Model
VD-23
AIE Inventory Number
3675H
AIE-Listed Catalog Number
9030-0023
Equipment Type
Laboratory Vacuum Drying Oven
Chamber Capacity
Approximately 23 L (0.8 cu. ft.)
Temperature Range
Ambient +5°C to 200°C, AIE Listing
Heating Technology
Binder APT.line
Heat Transfer
Direct-Contact Expansion Rack System
Chamber Material
Stainless Steel
Interior Dimensions
Approximately 11.2"W × 11.2"H × 11.6"D
Exterior Dimensions
Approximately 20.6"W × 27.5"H × 16.3"D, Manufacturer Reference
Temperature Control
Electronic Programmable Controller
Temperature Safety
Independent Adjustable Temperature Protection
Viewing Window
Spring-Mounted Safety Glass
Inert Gas Connection
Yes
Vacuum Pump
External Pump Required
Vacuum Connection
Verify Installed Fitting
Shelf Configuration
Verify Number and Type of Included Expansion Racks
Electrical Requirements
Verify Individual Unit Nameplate
Weight
Approximately 140–150 lb, Depending on Generation
Solvent Compatibility
Nonflammable Solvents Only
Condition
Used / Refurbished When Available
Current Availability
Out of Stock
Warranty
90 Days on Refurbished Equipment, Unless Otherwise Noted
Specifications reflect AIE's listing and relevant Binder VD-23 manufacturer documentation. Published specifications vary by product generation. The actual dimensions, rack configuration, voltage, and installed accessories should be verified on the individual unit.
Ideal Laboratory Types
The Binder VD-23 is suitable for pharmaceutical laboratories, biotechnology research facilities, analytical chemistry departments, chemical research laboratories, materials science laboratories, polymer research facilities, academic institutions, and industrial quality-control laboratories.
Its compact chamber is particularly useful for laboratories that need controlled vacuum drying without the space requirements of a larger industrial vacuum oven.
Vacuum Drying for Heat-Sensitive Materials
Vacuum drying provides an important advantage over conventional atmospheric-pressure heating.
As chamber pressure decreases, the boiling point of water and other compatible liquids decreases. This allows moisture and residual solvent to be removed at lower temperatures.
For heat-sensitive samples, lower drying temperatures can help reduce thermal degradation, oxidation, and unwanted chemical reactions.
The appropriate vacuum level and temperature depend on the sample's composition, moisture content, physical properties, and processing requirements.
Vacuum drying does not eliminate the need to evaluate sample stability or chemical compatibility.
Binder APT.line Temperature Technology
The Binder VD-23 incorporates APT.line technology, designed to provide controlled and reproducible heating conditions.
The system uses a heated chamber arrangement to distribute thermal energy around the vacuum environment.
This is important because reduced-pressure conditions limit the effectiveness of conventional convective heat transfer.
By combining chamber heating with direct-contact shelving, the VD-23 helps maintain consistent drying conditions for suitable laboratory samples.
Temperature uniformity depends on loading, shelf arrangement, vacuum conditions, and the thermal characteristics of the materials being processed.
Direct Heat-Transfer Expansion Racks
One of the defining features of Binder VD vacuum ovens is the expansion rack system.
The shelves are designed to maintain effective thermal contact with the heated chamber, allowing heat to transfer directly to the materials being dried.
This approach improves heating efficiency under vacuum, where air-based heat transfer is limited.
The rack system is particularly useful for samples placed in suitable trays, containers, or vessels that can conduct heat from the shelf.
The number and condition of expansion racks included with a refurbished oven should be verified before purchase.
Temperature Control and Uniformity
The VD-23 provides electronic temperature control for laboratory drying procedures.
AIE lists a temperature range extending from approximately 5°C above ambient to 200°C.
The controller allows operators to establish drying temperatures appropriate for compatible samples.
For applications requiring repeatable thermal processing, the oven's temperature performance can be evaluated using independent temperature measurement equipment.
Actual chamber and sample temperatures may differ, particularly during initial heating, changes in vacuum pressure, or processing of high-mass loads.
Vacuum System and Pump Compatibility
The Binder VD-23 requires an external vacuum pump to establish reduced pressure inside the chamber.
The appropriate pump depends on the desired operating pressure, vapor load, process duration, and chemical compatibility requirements.
Laboratories may use suitable oil-free diaphragm pumps or other compatible vacuum pumps, depending on the application.
Vacuum-rated tubing, fittings, valves, and any necessary vapor-management accessories should be selected according to the manufacturer's instructions.
A vacuum oven should not be connected to a pump that is incompatible with the vapors produced during drying.
The external vacuum pump should be considered a separate component unless specifically included with a refurbished equipment package.
Inert Gas Connection
The Binder VD-23 includes an inert gas connection for compatible laboratory processes.
Introducing an appropriate inert gas can help control the chamber atmosphere during selected procedures.
This may be useful for certain oxygen-sensitive materials or controlled drying processes.
The manufacturer describes a cross-flow arrangement intended to distribute introduced gas within the chamber.
Inert gas operation should follow the manufacturer's pressure, ventilation, and safety requirements.
The presence of an inert gas connection does not make the standard VD-23 suitable for flammable solvents.
Safety Glass and Temperature Protection
The VD-23 incorporates a safety glass viewing window designed for operation with the oven's vacuum chamber.
The spring-mounted window arrangement is part of Binder's safety design.
The oven also includes independent temperature protection intended to help prevent excessive chamber temperatures.
These features support safer laboratory operation when the instrument is used within its rated limits.
Operators should inspect the glass, door gasket, chamber, and safety controls before use.
VD Series vs. VDL Series: Solvent Safety
An important distinction when selecting a Binder vacuum oven is the difference between the VD and VDL product families.
The standard Binder VD series is intended for vacuum drying applications involving nonflammable solvents and compatible materials.
The Binder VDL series was developed specifically for applications involving flammable solvents, subject to its applicable safety design and operating requirements.
The VD-23 should not be used for drying materials that release flammable solvent vapors.
Laboratories processing ethanol, acetone, hexane, or other flammable solvents should evaluate an appropriately rated system rather than assuming that vacuum operation alone provides adequate protection.
Refurbishment and Testing by American Instrument Exchange
American Instrument Exchange inspects, tests, and reconditions used laboratory ovens before shipment.
For a Binder VD-23, relevant testing includes checking the temperature controller, evaluating heating performance, inspecting the vacuum chamber and door gasket, and verifying that the chamber maintains an appropriate vacuum.
AIE describes using calibrated temperature-recording equipment to evaluate oven performance and conducting extended vacuum-hold tests to assess chamber integrity.
Additional inspection should include the viewing window, temperature safety controls, electrical connections, vacuum fittings, and expansion racks.
Customers requiring documented temperature testing, vacuum leak-rate measurements, or confirmation of included accessories should discuss these requirements with AIE before purchasing a refurbished unit.
AIE's refurbished equipment is generally supplied with a 90-day warranty.
Shipping and Installation
The Binder VD-23 is a compact benchtop vacuum oven, although its construction and weight require careful handling.
The manufacturer lists approximate exterior dimensions of 20.6 inches wide, 27.5 inches high, and 16.3 inches deep for relevant VD-23 configurations.
The oven should be installed on a stable laboratory surface capable of supporting its weight and the intended sample load.
Installation requires compatible electrical service, an appropriate external vacuum pump, vacuum-rated connections, and sufficient clearance for ventilation and service access.
The oven should be positioned in an environment suitable for handling the materials and vapors involved in the drying process.
Electrical specifications should be confirmed against the individual unit's rating plate before installation.
Availability and Replacement Options
AIE inventory unit 3675H is currently out of stock.
Laboratories interested in the Binder VD-23 can contact American Instrument Exchange to inquire about future availability or comparable refurbished vacuum ovens.
AIE may also be able to help identify larger vacuum ovens, alternative Binder models, or suitable vacuum pump and oven combinations based on the required chamber capacity, temperature range, and process conditions.
American Instrument Exchange supplies used and refurbished vacuum ovens, drying ovens, vacuum pumps, and other laboratory equipment for pharmaceutical, biotechnology, chemical, academic, and industrial research facilities.
Binder VD-23 FAQs
What is the Binder VD-23 used for?
The Binder VD-23 is a laboratory vacuum drying oven used for moisture removal, gentle drying, and thermal processing of compatible heat-sensitive materials under reduced pressure.
What is the chamber capacity of the VD-23?
The VD-23 has a nominal chamber capacity of approximately 23 liters, equivalent to 0.8 cubic feet.
What is the maximum operating temperature?
AIE lists a maximum temperature of 200°C for inventory unit 3675H.
Does the Binder VD-23 require a vacuum pump?
Yes. The VD-23 requires an external vacuum pump to create reduced pressure inside the chamber.
Is a vacuum pump included?
A vacuum pump should not be assumed included unless specifically listed as part of the refurbished equipment package.
Can the VD-23 be used with flammable solvents?
No. The standard Binder VD series is intended for nonflammable solvents. Laboratories processing flammable solvents should evaluate an appropriately rated system, such as a suitable Binder VDL model.
What is Binder's expansion rack technology?
The expansion rack system improves thermal contact between the heated chamber and the shelves, supporting heat transfer to samples under vacuum.
Does the VD-23 have an inert gas connection?
Yes. The manufacturer provides an inert gas connection for compatible laboratory processes.
What is the difference between the Binder VD-23 and VD-53?
The VD-23 has a smaller, approximately 23-liter chamber. The VD-53 is a larger vacuum oven with a nominal chamber capacity of approximately 53 liters.
Is the Binder VD-23 currently available from American Instrument Exchange?
AIE inventory unit 3675H is currently out of stock. Customers can contact AIE to inquire about future availability or comparable refurbished vacuum ovens.
Does American Instrument Exchange provide a warranty?
Yes. Refurbished laboratory equipment from American Instrument Exchange generally includes a 90-day warranty unless otherwise noted.
Click Hereto see the Binder VD-23 safety vacuum oven on the American Instrument Exchange YouTube channel.
Testing Procedures for Used and Refurbished Laboratory Equipment
Ensure Accuracy, Safety, and Dependable Performance Across Applications
At American Instrument Exchange, all used and refurbished laboratory equipment undergoes a rigorous, multi-point testing protocol to ensure optimal performance, operational safety, and long-term reliability. Whether the equipment is destined for research, diagnostics, quality control, or production environments, our thorough inspection and testing process is designed to meet the highest standards of laboratory excellence.
Why Testing Used Lab Equipment Is Essential
Before any refurbished laboratory equipment is returned to service, it must be carefully tested to verify:
• Functional integrity and operational performance
• Setpoint accuracy and repeatability (where applicable)
• User interface responsiveness and control features
Proper testing reduces the risk of equipment failure, measurement inaccuracies, or user hazards—helping to ensure consistent results in clinical, academic, biotech, and industrial labs.
Our standardized lab equipment testing procedures are tailored to each equipment type, ensuring every unit meets manufacturer specifications and industry benchmarks.
Key Testing Procedures for Refurbished and Used Laboratory Equipment
1. Initial Visual Inspection
• Examine equipment housing for signs of wear, corrosion, or damage
• Check ports, power cords, and exterior components for tampering or deterioration
• Verify that internal and external parts (racks, shelves, connectors, accessories) are present and undamaged
2. Functional Startup and Operational Testing
• Power on the equipment and verify startup diagnostics
• Confirm functionality of displays, buttons, switches, and control panels
• Run basic functions to confirm proper response and behavior under standard operating conditions
3. Testing and Performance Verification
• Test internal sensors or control systems using industry-standard tools
• Perform operational tests to validate accuracy and consistency
• Verify key performance specifications such as temperature control, timing, speed, or measurement outputs, depending on equipment type
4. Mechanical and Electrical System Testing
• Evaluate motors, pumps, fans, or other moving parts for smooth operation
• Inspect and test wiring, relays, fuses, and circuit boards for safety and reliability
• Test power delivery and grounding compliance
5. Safety and Compliance Checks
• Ensure equipment is grounded and insulated to meet laboratory safety standards
• Test alarms, interlocks, emergency stops, or safety shutdown systems if applicable
6. Final Quality Assurance and Documentation
• Perform extended runtime testing
• Document operational logs, testing results, and any repairs or adjustments made
• Complete a final inspection, thorough cleaning, and packaging for delivery
Trusted Quality from American Instrument Exchange
With over 50 years of experience in laboratory equipment refurbishment, American Instrument Exchange is committed to delivering certified, lab-ready instruments backed by expert testing. Our testing protocols ensure that each piece of equipment—regardless of type—is safe, accurate, and dependable from day one.
Whether you're equipping a startup lab or expanding a high-throughput facility, you can count on our refurbished laboratory equipment to perform with precision and reliability.
Refurbishment Protocol for Used Laboratory Equipment from American Instrument Exchange
At American Instrument Exchange, every piece of used laboratory equipment we offer undergoes a multi-step refurbishment process. Whether it's an analytical balance, centrifuge, freezer, oven, or any other essential lab instrument, our goal is to restore each unit to peak performance—ensuring accuracy, safety, and long-term reliability in scientific, clinical, industrial, and academic environments.
Why Choose Refurbished Lab Equipment from American Instrument Exchange?
• Thoroughly tested for performance, precision, and safety
• Backed by a warranty
• A cost-effective alternative to new equipment
• Environmentally sustainable through equipment reuse and waste reduction
• Serviced by expert technicians with decades of laboratory equipment experience
Step-by-Step Refurbishment Protocol
Every instrument and system refurbished at American Instrument Exchange follows a detailed, industry-aligned process:
1. Initial Intake & Inspection
• Complete visual and structural inspection for cosmetic damage, wear, or corrosion
• Mechanical assessment of hinges, seals, fasteners, motors, and moving parts
• Missing components and damaged items are documented for repair or replacement
2. Cleaning and Decontamination
• Full internal and external cleaning using non-abrasive, lab-safe solutions
• Removal of biological, chemical, or particulate contamination
• Disassembly and cleaning of removable parts such as trays, shelves, and filters
3. Mechanical and Electrical Repair
• Replacement or repair of worn or broken mechanical parts
• Evaluation and servicing of control panels, sensors, switches, and displays
• Testing and repair of electrical wiring, fuses, circuit boards, and power supplies
4. Functional System Testing
• Assessment of all major functions specific to the equipment type (e.g., speed, temperature, force, weight, timing)
• Operation of control interfaces, programming menus, and digital displays
• Verification of stabilization time, responsiveness, and user input reliability
5. Testing and Performance Verification
• Testing of internal sensors, controllers, and measurement systems using certified tools
• Multi-point testing to ensure repeatability, accuracy, and performance consistency
• Confirmation of user-defined setpoints, timing sequences, or programmable cycles
6. Safety and Compliance Checks
• Testing of safety interlocks, alarms, and over-limit protection systems (as applicable)
• Electrical safety inspections, including grounding and insulation verification
7. Final Quality Assurance and Documentation
• Full operational testing under simulated lab conditions
• Completion of performance benchmarks, testing results, and repair logs
• Final cleaning and visual inspection
Trust the Experts at American Instrument Exchange
With over 50 years of experience in the laboratory equipment industry, American Instrument Exchange is a trusted leader in high-quality refurbished lab instruments. Our refurbishment protocols ensure that every piece of equipment we sell is lab-ready—offering the precision, performance, and durability your team can count on.
Whether you’re outfitting a new lab or expanding an existing operation, choose American Instrument Exchange for tested, warrantied, and cost-effective laboratory 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.
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.
