Napco E Series Model 301 Incubator
The Napco E Series Model 301 Incubator is a compact 5 cu. ft. general-purpose laboratory incubator designed for microbiology, bacterial culture, biochemical studies, sample conditioning, and other routine applications requiring a stable elevated-temperature environment. With a straightforward older-generation design, moderate chamber capacity, adjustable shelving, and an inner glass door, the Napco 301 provides practical incubation capability for laboratories that do not require refrigeration, CO₂ control, or complex programmable environmental conditions.
Available used and refurbished from American Instrument Exchange, the Napco E Series Model 301 is a cost-effective option for laboratories seeking a proven incubator for everyday research and testing. Its 5 cu. ft. chamber provides considerably more working space than a small benchtop incubator while maintaining a relatively compact footprint that can be accommodated easily in most laboratory environments.
Key Features
-
5 cu. ft. general-purpose incubation chamber
-
Designed for constant-temperature laboratory incubation
-
Suitable for microbiology and bacterial culture
-
Inner glass door for viewing samples
-
Multiple adjustable shelves
-
Straightforward older-generation temperature controls
-
Compact footprint for a 5 cu. ft. incubator
-
17"W × 22"D × 23"H interior dimensions
-
23"W × 26.5"D × 31.5"H exterior dimensions
-
120V, 60 Hz electrical configuration
-
Professionally inspected and temperature tested by American Instrument Exchange
-
90-day warranty included
Napco E Series Model 301 Incubator Overview
The Napco E Series Model 301 represents a straightforward approach to general-purpose laboratory incubation. Rather than incorporating refrigeration, controlled gases, programmable environmental profiles, or other specialized systems, the Model 301 provides the controlled heated environment needed for routine microbiology, bacterial culture, and general laboratory procedures.
Its approximately 5 cu. ft. chamber provides useful capacity for culture dishes, bottles, test tube racks, flasks, sample containers, and other common laboratory vessels. Interior dimensions of approximately 17"W × 22"D × 23"H give researchers enough space for moderate sample loads without requiring the footprint of a large reach-in incubator.
A separate inner glass door allows samples to be visually inspected without fully opening the incubation chamber. This helps reduce unnecessary exchange between conditioned chamber air and the surrounding laboratory environment during routine monitoring.
For laboratories performing straightforward constant-temperature work, the simplicity of an older incubator such as the Napco 301 can be an advantage. There are fewer complex systems than in refrigerated, CO₂-controlled, or programmable environmental chambers, while the 5 cu. ft. interior provides enough capacity for a broad range of everyday laboratory applications.
Common Applications
The Napco E Series Model 301 is particularly well suited for microbiology and bacterial culture, as well as biochemical research, clinical laboratories, pharmaceutical quality control, academic research, food and beverage testing, environmental laboratories, and general laboratory procedures requiring controlled elevated temperatures.
Typical applications include bacterial culture, microbiological testing, culture-media warming, biochemical studies, sample conditioning, clinical research procedures, quality-control testing, and other constant-temperature laboratory protocols.
The Model 301 has also been used historically in published biological research for incubation of bacterial cultures, including E. coli, demonstrating the type of routine microbiological work for which this platform was designed.
Its 5 cu. ft. capacity makes the Napco 301 particularly useful for laboratories that need more working space than a small benchtop incubator but do not require the substantially greater capacity of a reach-in chamber.
Laboratories performing microbiological or biological research may use the Napco 301 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.
Sample Types & Incubation Recommendations
The Napco E Series Model 301 is best considered a general-purpose constant-temperature incubator. It is appropriate for samples requiring controlled temperatures above ambient without the specialized atmospheric conditions associated with CO₂ cell culture or humidity-controlled environmental testing.
Common Samples & Applications
-
Bacterial cultures
-
Microbiological cultures
-
Culture media
-
Biochemical samples
-
Clinical and research specimens
-
Pharmaceutical quality-control samples
-
Food and beverage testing samples
-
Environmental samples
Typical Laboratory Vessels
The 17"W × 22"D × 23"H interior provides flexibility for arranging different vessel types across multiple shelves. Shelf spacing can be adjusted to accommodate taller bottles and flasks or configured to maximize usable space for dishes, tubes, and smaller containers.
The Napco 301 should not be confused with the manufacturer's CO₂ incubator models. Applications involving conventional mammalian cell culture generally require controlled CO₂, elevated humidity, and other environmental capabilities not specified for this particular Model 301.
Temperature Control & Environmental Stability
The primary function of the Napco E Series Model 301 is to provide a stable constant-temperature environment for routine laboratory incubation. Its insulated cabinet separates chamber conditions from changes in the surrounding laboratory, while the temperature-control system regulates heat input according to the selected operating condition.
The inner glass door is particularly useful during longer incubation procedures. Researchers can visually check cultures and samples without fully opening the chamber, helping reduce unnecessary temperature disturbances during routine observation.
Because this is an older vintage model, the Napco 301's value lies less in advanced electronic features and more in straightforward functionality, useful chamber capacity, and proven suitability for microbiological incubation. For bacterial culture, media warming, quality-control procedures, and other routine applications where sophisticated environmental programming is unnecessary, the Model 301 remains a practical laboratory incubator.
American Instrument Exchange tests used and refurbished incubators using digital temperature-monitoring equipment to verify chamber performance and the accuracy of temperature controls and readouts. Additional incubator functions are tested as applicable, and necessary hardware or components are replaced before shipment.
Napco E Series Model 301 Incubator Specifications
| Specification |
Details |
| Manufacturer |
Napco |
| Product Series |
E Series |
| Model |
301 |
| Equipment Type |
General-Purpose Constant-Temperature Incubator |
| Chamber Capacity |
5 cu. ft. |
| Chamber Configuration |
Single chamber |
| Inner Door |
Glass |
| Shelving |
Multiple adjustable shelves |
| Refrigeration |
No |
| CO₂ Control |
No |
| Active Humidity Control |
No |
| Interior Dimensions (W × D × H) |
17" × 22" × 23" |
| Exterior Dimensions (W × D × H) |
23" × 26.5" × 31.5" |
| Electrical Requirements |
120V, 60 Hz |
| Current |
3.2 A |
| Warranty |
90 days from American Instrument Exchange |
Specifications can vary according to production date and individual unit configuration. Confirm operating temperature range, shelving, accessories, and other specifications for the individual incubator before purchase.
Napco E Series Model 301 Frequently Asked Questions
What is the Napco E Series Model 301 used for?
The Napco 301 is a general-purpose constant-temperature incubator particularly well suited for microbiology and bacterial culture. It can also be used for biochemical studies, clinical research, media warming, sample conditioning, quality-control testing, and other procedures requiring stable elevated temperatures.
How large is the Napco Model 301 incubator?
The Napco 301 provides approximately 5 cu. ft. of chamber capacity. Its interior measures approximately 17"W × 22"D × 23"H, providing useful space for culture dishes, bottles, flasks, tube racks, and other common laboratory vessels.
Does the Napco 301 have an inner glass door?
Yes. The Model 301 has a separate inner glass door that allows researchers to visually inspect samples without fully opening the incubation chamber. This helps minimize unnecessary temperature disturbances during routine monitoring.
Is the Napco E Series Model 301 suitable for bacterial culture?
Yes. The Napco Model 301 is a constant-temperature incubator well suited for bacterial and microbiological culture. Model 301 incubators have historically been used in research laboratories for bacterial culture at common incubation temperatures such as 37°C.
Is the Napco E Series Model 301 a CO₂ incubator?
No. This particular Napco E Series Model 301 is a general-purpose temperature incubator. CO₂ regulation is not specified for the 3153A INC unit offered by American Instrument Exchange. Laboratories performing conventional mammalian cell culture should select a dedicated CO₂ incubator.
Is this Napco E Series Model 301 refurbished?
Yes. This Napco E Series Model 301 is offered used and refurbished by American Instrument Exchange. The incubator is cleaned, inspected, and temperature tested prior to shipment. American Instrument Exchange uses digital temperature-monitoring equipment to verify chamber performance and the accuracy of temperature controls and readouts, with hardware and components replaced as necessary. Refurbished equipment includes a 90-day warranty.
