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Thermo Scientific™ Midi 40 Benchtop CO₂ Incubator – 1.4 cu. ft. / 40 L

Thermo Scientific  |  SKU: 3403
Sale price $11,110.24 Regular price $14,998.83
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Description

The Thermo Scientific™ Midi 40 Benchtop CO₂ Incubator provides dependable performance and precise environmental control in a compact footprint. With a 40 L (1.4 cu. ft.) capacity, this model is ideal for laboratories that need full-featured functionality within limited space.

Designed with radiant-wall heating and a TC (thermal conductivity) CO₂ sensor, it ensures temperature uniformity and gas accuracy for consistent cell culture growth. The stainless-steel chamber and seamless coved corners make cleaning simple and contamination risk minimal.

✅ Key Features

  • ✔️ 1.4 cu. ft. (40 L) capacity in a compact 18 × 24 in. footprint saves bench space
  • ✔️ Radiant-wall heating maintains uniform temperature via natural air convection
  • ✔️ CO₂ concentration range: 0 – 20 % for a wide variety of cell culture needs
  • ✔️ TC (thermal conductivity) CO₂ sensor ensures accurate and stable readings
  • ✔️ Polished stainless-steel chamber with coved corners for easy cleaning
  • ✔️ > 90 % relative humidity at 37 °C using a removable water pan
  • ✔️ Bright, easy-to-read display with three-button touchpad controls
  • ✔️ Set-point security prevents unauthorized changes
  • ✔️ Comprehensive audible and visual alarm system monitors temperature and CO₂
  • ✔️ RS-485 data output for external monitoring and documentation
  • ✔️ Four stainless-steel shelves with humidity pan included
  • ✔️ Reinforced cabinet permits stacking of multiple units
  • ✔️ Tempered inner glass door for clear sample visibility
  • ✔️ 120 V / 60 Hz / 3 A operation for energy-efficient performance
  • ✔️ Made in the United States

📊 Technical Specifications

Specification Details
Brand Midi 40
Manufacturer Thermo Scientific
Manufacturer # 3403
Application CO₂ Incubator
Type Benchtop
Capacity 1.4 cu. ft. / 40 L
Temperature Range Ambient +5 °C to 50 °C
CO₂ Range 0 – 20 %
Humidity System Water Pan (> 90 % RH at 37 °C)
Heating System Radiant-Wall Heating / Natural Convection
Interior Material Seamless Polished Stainless Steel with Coved Corners
Interior Dimensions (W × D × H) 12 × 14 × 14 in.
Exterior Dimensions (W × D × H) 18 × 18.5 × 23.5 in.
Shelves Supplied 4 Stainless-Steel Shelves + Humidity Pan
Door Type Tempered Inner Glass / Standard Right-Hand Swing
Power Source 120 V / 60 Hz / 3 A
Data Output RS-485
Country of Origin United States
UNSPSC Code 41104425
Warranty 2 Years

 

⚠️ Safety Notice

Before installation, place the incubator on a stable, level surface with proper ventilation and clearance on all sides. Operate only with the designated 120 V / 60 Hz power supply and keep the unit away from flammable materials or heat sources. Always use distilled or deionized water in the humidity pan to maintain proper relative humidity and prevent mineral buildup.

📚 Frequently Asked Questions (FAQs)

What is the capacity of the Midi 40 CO₂ Incubator?

It offers a 40 L (1.4 cu. ft.) capacity — perfect for small cell culture or research applications.

How is temperature uniformity achieved?

The incubator uses radiant-wall heating to maintain uniform temperature throughout the chamber without forced air circulation.

What type of CO₂ sensor does it use?

It uses a Thermal Conductivity (TC) sensor, which delivers stable, accurate CO₂ measurements over extended operation.

How is humidity maintained?

A simple water pan system provides > 90 % relative humidity at 37 °C for optimal cell culture conditions.

Does it include data connectivity options?

Yes, the unit includes an RS-485 data output for external monitoring and documentation purposes.

Can units be stacked?

Yes. The reinforced cabinet design permits safe stacking of multiple incubators to save space in the lab.

What kind of safety features are included?

The incubator offers a comprehensive audible and visual alarm system to monitor temperature and CO₂ levels, plus set-point security to prevent unauthorized adjustments.

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