Thermo Scientific 51026423 Heracell Incubator 240i 8.4-cu ft | 240L


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  • 120 volts, 50/60 hertz — Brand-New + Direct / Drop Shipping¹ + Includes Warranty = from Thermo Scientific


  • Protect valuable samples while optimizing cell growth.
  • Thermo Scientific Heracell 240i CO2 Incubators with Stainless-Steel Chambers provide the ideal in vitro environment.
  • Clean, reliable and easy to use, they feature fast recovery characteristics and a convenient touchscreen user interface.
  • These large capacity models can accomodate shakers, roller bottle apparatus, and other small equipment.

Direct heat chamber:

  • 240L (8.4 cu. ft.) electropolished stainless steel chamber with compact footprint, easily stackable.
  • Standard left hand door swing, field reversible by qualified service support.
  • Minimal, easy-to-clean assembly with smooth inner chamber and rounded corners for easy cleaning.
  • In-chamber fan gently distributes conditioned, humidified air throughout the chamber ensuring homogeneous conditions.

In situ sensors and probes designed for precise monitoring:

  • Choice of TC (thermal conductivity) CO2 sensor for long, reliable operation or IR (infrared) CO2 sensor for monitoring when humidity and temperature are less predictable.
  • Dual temperature probes with over temperature protection.

Rapid response humidity reservoir:

  • Directly heated water reservoir designed to provide stable, high relative humidity, preventing culture desiccation.
  • Pan-less system provides recovery rates up to 5X faster than traditional water pans.
  • Water level sensor indicates when a refill is needed.

ContraCon 90°C moist heat disinfection cycle:

  • On-demand cycle simplifies cleaning and eliminates the need to separately autoclave components.
  • Operation is push-button simple and does not require removal of sensors or other components.
  • Independently validated to eliminate a wide range contaminants including bacteria, molds, fungal spores, and mycoplasmas.

Intuitive, interactive iCAN touchscreen control:

  • Bright LED screen allows monitoring of all incubator interactions.
  • Provides visibility to changes in culture environment with performance trend graphing, error and usage logs.
  • Convenient on-screen user prompts and reminders for easy navigation.
  • Selectable languages simplify operation: English, Spanish, German, French, and Italian.

Wireless Monitoring Solution:

  • Thermo Scientific DeviceLink HUB, our easy-to-install solution, works with the Thermo Fisher Cloud to monitor conditions inside your CO2 incubators.
  • DeviceLink HUB monitors chamber temperature, gas levels, alarms, and alerts from the incubator data output connection, RS-232 or USB.
  • Alarms and notifications are also sent to the user by email and mobile push notification.
  • DeviceLink HUB is an optional accessory for models with the iCAN touchscreen interface.
  • DeviceLink HUB is available in the following regions:
  • United States and Canada.
  • 28 members of the European Union.
  • Iceland, Liechtenstein, Norway, and Switzerland.

Ordering information:

  • To configure 230V models to tri-gas with O2 control, please order 51900702 for 1-21% and 51900703 for 5-90% control.


Product Size Each
Chamber Material Electropolished stainless steel
CO2 Concentration Range 0 to 20%
CO2 Sensor Technology TC sensor
Oxygen Control 1-21%
Humidity Delivery Integrated water reservoir
Relative Humidity >90% at 37°C
Temperature Range (Metric) Ambient +3° to 55°C
Data Outputs RS232
Dimensions (D x W x H) Interior 23 x 23.9 x 26.4 in. (58.3 x 60.7 x 67cm)
Capacity 8.4 cu. ft., 240L
Electrical Requirements 120V 50/60Hz
Dimensions (L x W x H) Exterior 32.8 x 30.7 x 36.8 in. (83.4 x 78 x 93.4cm)
Description Single Tri-gas 240L incubator, 1-21%
Net Weight 178 lb, 81kg


Model Series CO2 Sensor Technology Oxygen Control Electrical
51026422 240i TC Sensor Hypoxic 1-21% 120V 50/60Hz
51026423 240i TC Sensor Hypoxic 1-21% 120V 50/60Hz
51026533 240i IR Sensor Hypoxic 1-21% 120V 50/60Hz
51026556 240i IR Sensor Hypoxic 1-21% 120V 50/60Hz
51026552 240i TC Sensor Hyperoxic 5-90% 120V 50/60Hz
51026581 240i TC Sensor Hyperoxic 5-90% 120V 50/60Hz


Thermo Scientific Heracell 240i Stainless Steel Chamber CO2 Incubators Product Brochure

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