Thermo Scientific Model 3950 reach-in CO2 incubator (29 cu. ft.)

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Thermo Scientific Model 3950 reach-in CO2 incubator

Manufacturer:  Thermo Scientific

Model:  3950

Condition:  Very good

Status: Pre-owned 

Estimated lead time:  3-5 days typically


  • Thermo 3950 reach-in incubator
  • Operations manual (pdf copy)
  • Power cord
  • 30 day warranty

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


Capacity (English)

29 cu. ft.

CO2 Concentration Range

0 to 20%

Data Outputs

Optional 4-20mA

Capacity (Metric)

821 L

Dimensions (D x W x H) Interior

27 x 31 x 60 in. (68.5 x 78.7 x 152.4 cm)

Temperature Range (Metric)

Ambient +5° to 50°C

Electrical Requirements

120 V, 60 Hz

Oxygen Control

Not Available



CO2 Sensor Technology

TC sensor

Chamber Material

Polished Stainless Steel

Dimensions (L x W x H)

33 x 38 x 80 in. (83.8 x 96.5 x 203.2 cm)

Relative Humidity

>80%, high >90%

Humidity Source

15L integrated humidity reservoir

Weight (English)

500 lb.