Thermo Scientific™ Large-Capacity Reach-In CO2 Incubator Available on GSA/VA Contract for Federal Government customers only.

Culture large volumes of patient samples for bacterial growth, perform short-term growth studies and work with large volume products with this incubator.

Manufacturer: Thermo Scientific™ 3950

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Catalog No. 39-50

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    Chamber Material Stainless-steel
    CO2 Concentration Range 0 to 20%
    CO2 Sensor Technology TC
    Humidity Delivery 4 gallon humidity reservoir
    Relative Humidity Off, med. >80%, high >90%
    Temperature Range (Metric) 5° to 60°C
    Height (English) Exterior 80 in.
    Height (Metric) Exterior 203.2cm
    Width (English) Exterior 38 in.
    Width (Metric) Exterior 96.5cm
    Length (English) Exterior 33 in.
    Length (Metric) Exterior 83.8cm
    Height (English) Interior 60 in.
    Height (Metric) Interior 152.4cm
    Depth (English) Interior 27 in.
    Depth (Metric) Interior 68.5cm
    Width (English) Interior 31 in.
    Width (Metric) Interior 78.7cm
    Net Weight (English) 500 lb.
    Net Weight (Metric) 226.8kg
    Shipping Weight (English) 660 lb.
    Shipping Weight (Metric) 299.4kg
    Shelves 5/27 (supplied/max)
    Length (English) Shelf 25.8 in.
    Length (Metric) Shelf 65.5cm
    Width (English) Shelf 30.6 in.
    Width (Metric) Shelf 78cm
    Voltage 120V
    Amperage 10A
    Data Outputs Optional
    Cabinet Material cold rolled steel
    CO2 Concentration Control Better than ±0.1%
    Hertz 60Hz
    Ports (2) 2.4 in. ports, one each side rear wall
    Capacity (English) 29 cu. ft.
    Capacity (Metric) 821L
    Shelf Material Stainless-steel
    Certifications/Compliance CE, UL, cUL
    Dimensions (D x W x H) Interior 27 x 31 x 60 in. (68.5 x 78.7 x 152.4cm)
    Capacity 29 cu. ft., 821L
    Electrical Requirements 120V 60Hz
    Dimensions (L x W x H) Exterior 33 x 38 x 80 in. (83.8 x 96.5 x 203.2cm)

    Culture large volumes of patient samples for bacterial growth, perform short-term growth studies and work with large volume products. The Thermo Scientific™ Large-Capacity Reach-In CO2 Incubator offers a broad range of built-in features that provide optimal flexibility. This unit provides elevated RH to prevent product desiccation in medium-term cultures and maintains temperature uniformity, even when equipment (cell rollers, rockers, shakers, spinners, stirrers) is installed in the chamber.


    • Directed horizontal laminar airflow system promotes ideal growth environment
    • Three RH system settings: off, medium, high
    • Three water fill options: automatic, semi-automatic, ergonomic manual
    • Thermo Scientific™ Enviro-Scan™ microprocessor control
    • Selectable temperature, overtemperature, CO2, humidity
    • Audible/visual alarm and alarm silence
    • Remote alarm contacts
    • Data outputs to help meet internal and regulatory documentation requirements


    • Heated triple-pane glass door minimizes condensation and permits a clear view
    • Two thru-wall access ports (one on right and left sidewalls) for probes, sensors, power cords
    • Interior and exterior accessory receptacles
    • Stainless-steel interior
    • Heavy-duty, solid stainless-steel shelves resist corrosion; adjust on 2 in. (5.1cm) centers
    • Swivel, locking casters ensure easy mobility for installation and cleaning
    • Leveling feet provide stability for added safety in the lab

    Compatible with:

    • Built-in gas guards (1900000, 190642, 1900086, 190640)
    • Factory-installed data outputs (190544, 190523, 1900085, 190512, 190543, 1900152)
    • Two-stage gas regulators (965010, 961027)
    • Shelves (227642, 224139, 502045, 227641, 224155)

    Recommended for:

    • Culturing large volumes of patient samples for bacterial growth
    • Performing short-term growth studies
    • Working with large volume products

  • Description & Specifications
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