VWR 1545 Digital General Purpose Incubator

VWR 1545 Digital General Purpose Incubator

The VWR 1545 Digital Incubator is a 5.8 cu. ft. general-purpose laboratory incubator designed for microbiology, pharmaceutical, clinical, environmental, and research applications requiring reliable temperature control above ambient conditions. Its relatively tall 26-inch-high chamber, microprocessor controls, VWR Hybrid Heating System, and full-length inner glass door make the 1545 a versatile choice for laboratories working with a mixture of culture vessels, bottles, racks, and other temperature-sensitive samples.

Available used and refurbished from American Instrument Exchange, the VWR 1545 provides considerably more capacity than a compact benchtop incubator without the width of some larger general-purpose models. Temperature uniformity of ±0.25°C at 37°C supports consistent conditions throughout the chamber, while the heated-wall design and inner observation door help minimize temperature disturbances during routine laboratory use.

Key Features

• 5.8 cu. ft. (approximately 164 L) chamber capacity

• Temperature range from ambient +5°C to 60°C for the AIE-listed unit

• ±0.25°C temperature uniformity at 37°C

• Microprocessor-controlled digital temperature system

• VWR Exclusive Hybrid Heating System

• Heating elements incorporated into chamber walls, bottom, and door

• Full-length inner glass observation door

• Tall 26-inch interior accommodates a variety of sample configurations

• Stainless steel chamber for durability and easy cleaning

• Independent over-temperature protection

• Through-wall access port for external monitoring equipment

• Adjustable shelving

• 115V electrical configuration

• Professionally inspected and tested by American Instrument Exchange

• 90-day warranty included

VWR 1545 Digital Incubator Overview

The VWR 1545 is a general-purpose warm-air incubator designed for laboratories that need dependable temperature control without CO₂ regulation, refrigeration, humidity control, or other specialized atmospheric systems. Its 5.8 cu. ft. chamber provides enough capacity for routine sample incubation and higher-volume laboratory workloads while maintaining a relatively narrow 25-inch exterior width.

Chamber geometry is an important consideration with this model. The interior measures approximately 19.25 inches wide × 20 inches deep × 26 inches high, giving the 1545 more vertical clearance than shallower general-purpose incubators. Adjustable shelving allows researchers to use that space for numerous smaller samples or reposition shelves to accommodate taller bottles, flasks, and containers.

The VWR Hybrid Heating System uses strategically positioned heating elements within the cabinet walls, bottom, and door. Rather than concentrating heat at a single location, this arrangement surrounds the chamber with controlled heat to promote uniform conditions throughout the usable interior.

A full-length inner glass door allows researchers to inspect cultures and samples without completely opening the incubation chamber. This is particularly useful for protocols requiring frequent observation because it reduces unnecessary heat loss and helps samples remain closer to their established incubation temperature.

Common Applications

The VWR 1545 is well suited for general-purpose incubation in microbiology, biotechnology, pharmaceutical, clinical, environmental, food science, industrial quality-control, and academic research laboratories. Typical applications include bacterial culture, microbial growth studies, media warming, sample conditioning, biochemical reactions, environmental testing, pharmaceutical quality control, stability studies, and other procedures requiring consistent temperatures above ambient.

Because the chamber offers substantial vertical clearance, the 1545 can be particularly useful when a laboratory works with a combination of Petri dishes, plates, bottles, flasks, and test-tube racks rather than a single standardized vessel format. Researchers can rearrange the shelving as different projects move through the laboratory.

Microbiology and life science laboratories may use the VWR 1545 alongside biosafety cabinets for controlled sample handling and laboratory centrifuges for sample preparation and separation. Laboratory refrigerators and laboratory freezers provide complementary storage for cultures, media, reagents, and temperature-sensitive samples before or after incubation.

Sample Types & Incubation Recommendations

Unlike a CO₂ cell culture incubator, the VWR 1545 is designed for applications that require controlled elevated temperature without a regulated gas atmosphere. This makes it useful across a broader range of microbiology, testing, and general laboratory protocols.

Common Samples & Applications

• Bacterial cultures

• Microbiological samples

• Culture media

• Environmental samples

• Pharmaceutical quality-control samples

• Food and beverage testing samples

• Clinical and research specimens

• Temperature-conditioning and stability samples

Typical Laboratory Vessels

• Petri and culture dishes

• Multiwell plates

• Culture bottles

• Erlenmeyer flasks

• Test tubes and tube racks

• Media bottles

• Sample containers

• Taller vessels compatible with the 26-inch chamber height

The 5.8 cu. ft. chamber provides a useful balance between capacity and footprint. Laboratories working primarily with numerous small vessels can install shelving at closer intervals, while applications involving larger containers can use fewer shelves to take advantage of the chamber's vertical clearance.

Applications requiring controlled CO₂, high humidity, or specialized atmospheric conditions should instead use an appropriately equipped CO₂ incubator. The VWR 1545 is best viewed as a versatile general-purpose temperature-controlled chamber rather than a replacement for a dedicated cell culture incubator.

Temperature Control & Uniformity

Temperature performance is the central consideration when selecting a general-purpose laboratory incubator, and the VWR 1545 is designed to provide consistent conditions throughout its relatively large chamber.

The Hybrid Heating System incorporates heating elements into multiple surfaces of the cabinet, including the walls, bottom, and door. By distributing heat around the chamber instead of relying on a single concentrated source, the design helps minimize temperature gradients and supports uniform incubation conditions even when samples are distributed across multiple shelves.

Temperature uniformity is specified at ±0.25°C at 37°C, making the 1545 appropriate for laboratory procedures where samples located in different areas of the chamber should experience similar conditions. The microprocessor controller provides digital temperature setting and monitoring, while the temperature display can be calibrated against an independent reference thermometer when required by laboratory procedures.

An independent over-temperature protection system provides an additional safeguard if chamber temperature exceeds the established limit. The incubator also incorporates a through-wall access port, allowing external probes or monitoring equipment to enter the chamber without routing cables through the door seal.

The full-length glass inner door further supports temperature stability during everyday operation. Researchers can visually check samples before deciding whether access is necessary, helping reduce unnecessary door openings and the resulting temperature recovery cycles.

VWR 1545 Digital Incubator Specifications

The American Instrument Exchange listing specifies an ambient +5°C to 60°C operating range for this unit. Technical literature for some VWR 1545 production versions lists an upper temperature limit of 70°C. Specifications can vary by production version, so the requirements of the individual incubator should be confirmed before purchase.

VWR 1545 Digital Incubator Frequently Asked Questions

Is the VWR 1545 a CO₂ incubator?

No. The VWR 1545 is a general-purpose laboratory incubator and does not control CO₂ concentration. It is intended for microbiology, sample conditioning, quality-control testing, and other applications requiring stable elevated temperatures without a controlled gas atmosphere.

How much chamber capacity does the VWR 1545 provide?

The VWR 1545 provides approximately 5.8 cu. ft. (164 L) of usable chamber volume. Its interior is approximately 26 inches high, giving laboratories useful vertical space for arranging shelves or accommodating taller containers.

What is the VWR Hybrid Heating System?

The Hybrid Heating System distributes heating elements across multiple cabinet surfaces, including the chamber walls, bottom, and door. This helps promote even heat distribution throughout the chamber and supports recovery following routine door openings.

Can samples be viewed without opening the incubation chamber?

Yes. The VWR 1545 has a full-length inner glass door, allowing researchers to visually inspect samples while keeping the primary incubation chamber closed. This helps minimize unnecessary temperature fluctuations.

What is the difference between the VWR 1545 and VWR 1535?

Both are general-purpose digital incubators, but their chamber configurations differ. The 1545 provides approximately 5.8 cu. ft. of capacity with a taller, narrower interior, while the 1535 provides approximately 6.7 cu. ft. with a wider, shallower chamber. The better choice depends on the size, quantity, and shape of the samples and vessels being incubated.

Is this VWR 1545 refurbished?

Yes. Used VWR 1545 incubators offered by American Instrument Exchange are inspected and tested prior to shipment. Temperature-controlled equipment is evaluated using appropriate temperature-monitoring equipment, and refurbished units include a 90-day warranty.

Want to view a video of this unit? Click Here to see the VWR 1545 Incubator on the American Instrument Exchange YouTube channel.