Front three-quarter product view of a Vacuubrand ME 1 diaphragm vacuum pump, highlighting its elongated silver and blue housing, top power switch, and front metal port connections

VACUUBRAND ME 1 Diaphragm Pump - NEW

Brand : VACUUBRAND

Product Code : SKU 5920B VAC PUMP

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

VACUUBRAND ME 1 Diaphragm Vacuum Pump – Brand New

The VACUUBRAND ME 1 Diaphragm Vacuum Pump is a compact, oil-free laboratory vacuum pump designed for vacuum filtration, solid-phase extraction, sample preparation, aspiration, and other routine laboratory applications requiring dependable moderate vacuum. Delivering an ultimate vacuum of 100 mbar (75 Torr) and a maximum pumping speed of 0.5 cfm at 60 Hz, the ME 1 provides reliable vacuum performance while eliminating the oil maintenance associated with rotary vane pumps and the water consumption associated with laboratory aspirators.

This brand-new VACUUBRAND ME 1 diaphragm pump is available from American Instrument Exchange and is particularly well suited for laboratories seeking a small, quiet, easy-to-use vacuum source for individual filtration stations and everyday sample preparation. Its compact footprint, long diaphragm life, maintenance-free drive system, and top-mounted power switch make the ME 1 an excellent choice for routine laboratory vacuum work.

VACUUBRAND ME 1 Diaphragm Vacuum Pump Key Features

Brand-new VACUUBRAND ME 1 diaphragm vacuum pump
Oil-free laboratory vacuum pump
Designed especially for vacuum filtration and sample preparation
100 mbar / 75 Torr ultimate vacuum
Maximum pumping speed of 0.5 cfm at 60 Hz
One-stage, single-head diaphragm pump
PTFE diaphragm
Compact benchtop footprint
Whisper-quiet operation at approximately 49 dBA
Very low vibration
Maintenance-free drive system
Proven long diaphragm service life
Convenient top-mounted power switch
Optional manual vacuum regulator available
NRTL certified
Available brand new from American Instrument Exchange

VACUUBRAND ME 1 Diaphragm Vacuum Pump Overview

The VACUUBRAND ME 1 is designed specifically for laboratories that need a simple and dependable vacuum source for everyday filtration and sample preparation without the complexity of a larger vacuum system. Vacuum filtration is one of the most common applications in analytical chemistry, microbiology, environmental testing, wastewater analysis, and general research, and the ME 1 provides an efficient alternative to both water aspirators and larger oil-sealed pumps.

Its diaphragm pumping mechanism operates completely without oil, helping prevent contamination of vacuum lines and eliminating routine oil changes. The pump's maintenance-free drive system and long diaphragm service life are designed for dependable day-to-day operation, while the compact housing allows the ME 1 to remain directly beside filtration apparatus without consuming valuable bench space.

The ME 1 is particularly effective for single-port vacuum filtration, solid-phase extraction, aspiration, and other processes that require moderate vacuum rather than deep vacuum. For laboratories handling significant quantities of aggressive solvent or chemical vapors, the chemically resistant ME 1C or another VACUUBRAND chemistry diaphragm pump may be more appropriate.

VACUUBRAND ME 1 Diaphragm Vacuum Pump Key Specifications

Specification	Details
Manufacturer	VACUUBRAND
Model	ME 1
Equipment Type	Oil-Free Diaphragm Vacuum Pump
VACUUBRAND Article Number	20721003 for U.S. configuration
Pump Design	Diaphragm
Number of Heads	1
Number of Stages	1
Maximum Pumping Speed at 60 Hz	0.5 cfm
Maximum Pumping Speed at 50 Hz	0.7 m³/h
Ultimate Vacuum	100 mbar / 75 Torr
Maximum Outlet Pressure	1.1 bar absolute
Inlet Connection	Hose Nozzle DN 6–10 mm
Outlet Connection	Silencer / G1/8"
Wetted Materials	PTFE and Aluminum
Rated Motor Power	0.04 kW / 40 W
Rated Motor Speed	1500 rpm at 50 Hz / 1800 rpm at 60 Hz
Operating Temperature Range	10°C to 40°C
Storage Temperature Range	-10°C to 60°C
Dimensions	270 × 121 × 155 mm (10.6 × 4.8 × 6.1 in.)
Weight	5.4 kg (11.9 lb)
Sound Pressure Level	Approximately 49 dBA
Protection Class	IP40
Electrical Requirements	100–115 VAC, 50/60 Hz or 120 VAC, 60 Hz U.S. configuration
Certification	NRTL Certified
Condition	Brand New

Energy Efficiency & Operating Costs

The VACUUBRAND ME 1 uses a compact 40-watt motor and oil-free diaphragm pumping mechanism, making it an economical vacuum source for routine laboratory applications. Because the pump does not require vacuum oil, laboratories avoid the cost and labor associated with oil changes, contaminated-oil disposal, oil mist control, and other routine maintenance required by oil-sealed pumps.

For vacuum filtration applications, the ME 1 can also eliminate the continuous water consumption associated with water aspirators. In laboratories performing filtration throughout the workday, switching from an aspirator to an electric diaphragm pump can reduce water use while providing more consistent vacuum performance.

The maintenance-free drive system and long diaphragm service life further help minimize routine service requirements and long-term ownership costs.

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

Common Applications

The VACUUBRAND ME 1 is commonly used for vacuum filtration, solid-phase extraction, microbiological filtration, wastewater sample preparation, environmental testing, aspiration, vacuum manifolds, sample preparation, and general laboratory vacuum applications.

Its pumping performance is particularly well matched to individual filtration stations where a compact vacuum source is preferable to centralized laboratory vacuum or a larger-capacity pump.

Ideal Laboratory Types

The VACUUBRAND ME 1 is well suited for analytical chemistry laboratories, environmental testing laboratories, wastewater laboratories, microbiology facilities, biotechnology companies, university research laboratories, pharmaceutical quality-control laboratories, food and beverage testing facilities, educational laboratories, and industrial quality-control departments.

Laboratories utilizing filtration apparatus, analytical balances, centrifuges, water purification systems, spectrophotometers, and general sample preparation equipment frequently benefit from having a dedicated benchtop vacuum pump available at the workstation.

Vacuum Filtration Performance

The ME 1 combines a maximum pumping speed of 0.5 cfm at 60 Hz with an ultimate vacuum of 100 mbar (75 Torr), a performance range particularly well suited for filtration and other moderate-vacuum laboratory processes.

When connected to a Buchner funnel, filter flask, membrane filtration assembly, or compatible filtration manifold, the ME 1 provides a steady vacuum source without requiring running water. This helps laboratories standardize filtration procedures while freeing personnel from fluctuations sometimes encountered with building vacuum or water aspirators.

An optional manual vacuum regulator with dial gauge can be installed when applications require finer adjustment of vacuum level and pumping speed.

Oil-Free Vacuum Technology

One of the primary advantages of the VACUUBRAND ME 1 is its oil-free diaphragm design. Traditional rotary vane pumps require oil for sealing and lubrication, creating ongoing maintenance requirements and the potential for oil mist or backstreaming. The ME 1 avoids these issues entirely.

For routine filtration and sample preparation, oil-free operation simplifies maintenance, keeps the laboratory environment cleaner, and eliminates the need to purchase, monitor, replace, and dispose of pump oil.

ME 1 vs. ME 1C – Which VACUUBRAND Pump Should You Choose?

The VACUUBRAND ME 1 and ME 1C provide similar pumping speed and ultimate vacuum, but they are designed for somewhat different laboratory environments.

The ME 1 is an excellent general-purpose diaphragm pump for vacuum filtration, solid-phase extraction, aspiration, and routine sample preparation. Its wetted materials include PTFE and aluminum.

The ME 1C is the chemistry-resistant version and is better suited for applications involving more aggressive chemical or solvent vapors. Laboratories expecting significant chemical vapor exposure should evaluate the ME 1C or another VACUUBRAND chemistry diaphragm pump based on the chemicals being used.

This distinction allows laboratories to select the appropriate pump without paying for additional chemical resistance when it is unnecessary for the intended workflow.

Recommended Laboratory Applications

The VACUUBRAND ME 1 is recommended for:

Single-station vacuum filtration
Buchner funnel filtration
Membrane filtration
Microbiological filtration
Wastewater sample preparation
Environmental analysis
Solid-phase extraction
Fluid aspiration
Vacuum manifolds
Routine laboratory sample preparation

For processes requiring deep vacuum, high pumping speed, or resistance to substantial quantities of aggressive chemical vapors, laboratories should consider another VACUUBRAND pump designed specifically for those operating conditions.

Why Choose a Dedicated Vacuum Pump Instead of a Water Aspirator?

Water aspirators are simple but consume significant quantities of potable water during extended operation, and their vacuum performance can vary depending on water temperature and facility pressure. A dedicated diaphragm pump provides a consistent vacuum source without continuous water consumption.

The ME 1 also allows the filtration workstation to operate independently of laboratory plumbing, making it easier to position filtration equipment wherever bench space is available.

Brand-New VACUUBRAND Vacuum Pumps from American Instrument Exchange

American Instrument Exchange offers the VACUUBRAND ME 1 brand new, providing laboratories with access to current VACUUBRAND vacuum technology from an established laboratory equipment supplier.

American Instrument Exchange also supplies new and refurbished laboratory vacuum equipment, including chemistry diaphragm pumps, rotary vane pumps, vacuum ovens, freeze dryers, rotary evaporators, filtration systems, and other equipment used throughout analytical, pharmaceutical, biotechnology, and research laboratories.

Shipping and Installation Considerations

The VACUUBRAND ME 1 arrives completely assembled and ready for laboratory installation. Users should verify the electrical configuration and connect compatible vacuum tubing to the DN 6–10 mm inlet connection.

Vacuum tubing should be sufficiently rigid to resist collapsing under vacuum and compatible with the materials encountered during the intended application. When vapors, aerosols, or liquids could enter the pump, laboratories should evaluate appropriate traps, separators, or other protective accessories.

Related Laboratory Equipment

Laboratories purchasing diaphragm vacuum pumps often also require vacuum filtration apparatus, filter flasks, filtration manifolds, analytical balances, laboratory water purification systems, vacuum ovens, rotary evaporators, freeze dryers, and chemical fume hoods. American Instrument Exchange offers new and refurbished laboratory equipment to support analytical chemistry, environmental testing, microbiology, pharmaceutical research, biotechnology, and general laboratory applications.

VACUUBRAND ME 1 Diaphragm Vacuum Pump Frequently Asked Questions

What is the VACUUBRAND ME 1 primarily designed for?

The VACUUBRAND ME 1 is primarily designed for vacuum filtration and routine laboratory sample preparation. It is especially well suited for individual filtration stations in chemistry, microbiology, wastewater analysis, environmental testing, and other analytical laboratories.

What is the ultimate vacuum of the VACUUBRAND ME 1?

The ME 1 reaches an ultimate vacuum of 100 mbar, or approximately 75 Torr.

What is the pumping speed of the ME 1?

The ME 1 provides a maximum pumping speed of approximately 0.5 cfm at 60 Hz and 0.7 m³/h at 50 Hz.

Is the VACUUBRAND ME 1 oil-free?

Yes. The ME 1 is an oil-free diaphragm pump and requires no vacuum pump oil for normal operation.

Is the ME 1 suitable for vacuum filtration?

Yes. Vacuum filtration is one of the primary applications for which VACUUBRAND designed the ME 1. Its compact footprint and moderate vacuum performance make it an excellent dedicated filtration pump.

What is the difference between the VACUUBRAND ME 1 and ME 1C?

Both pumps provide similar vacuum performance, but the ME 1C is designed with greater chemical resistance for applications involving aggressive vapors. The standard ME 1 is an excellent choice for routine filtration and sample preparation where extensive chemical vapor resistance is not required.

Can the vacuum level be adjusted?

Yes. VACUUBRAND offers an optional manual vacuum regulator valve with a dial gauge that allows users to fine-tune pumping speed and vacuum level.

How loud is the VACUUBRAND ME 1?

The ME 1 operates at approximately 49 dBA, making it relatively quiet for a laboratory vacuum pump and suitable for benchtop use near laboratory personnel.

How large is the ME 1?

The pump measures approximately 10.6" L × 4.8" W × 6.1" H and weighs approximately 11.9 lb, allowing it to fit easily beside filtration equipment and other laboratory apparatus.

Does the VACUUBRAND ME 1 require routine oil changes?

No. Because it uses an oil-free diaphragm pumping mechanism, the ME 1 requires no vacuum pump oil or routine oil changes.

Is this VACUUBRAND ME 1 refurbished or used?

No. This VACUUBRAND ME 1 Diaphragm Vacuum Pump is brand new, not refurbished or previously used, and is available from American Instrument Exchange.

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.

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.