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AutoFlow NU-4750 Water Jacket CO2 Incubator

The AutoFlow 4750 Water Jacket Laboratory CO2 Incubator provides a sterile in-vitro growth environment through temperature and CO2 gas control systems, combining state of the art technology with years of design, quality and manufacturing experience.

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Closed Loop HEPA Filtration
Limits the need for moving parts minimizing vibration. An air pump injects filtered air into the work chamber. The air recirculates through sensor checkpoints before it is re-injected into the work chamber passing through a 99.99% HEPA filter. This system slows air movement to one chamber air change every 30 minutes. The decelerated air movement ensures ISO class 5 air conditions to minimize cell desiccation by airflow.

NICE Electronics
NuAire Incubator Control Electronics (NICE) is a state-of-the-art microcomputer based control system specifically designed to service the precise control requirements of the chambers environment, providing optimum programmable conditions for culture growth.

Constant Contamination Control
A unique HEPA filtration system filters fresh air into the pump, CO2 gas from tanks or house systems, IR CO2 sensor sample air returning to the change, air between air pump and inner chamber, while continuously filtering the internal chamber to create ISO Class 5 air quality.

Cleanroom within a Cleanroom
Interior chamber is constantly maintained at positive pressure similar to an ISO Class 5 Cleanroom

Sensitivity and Accuracy of Gas Control
Infrared (IR) CO2 sensor provides stable outputs requiring less calibrations.

Precision of Electronic Microprocessor Controls
A programmable microcontroller samples input sensors, sets control outputs, and makes necessary corrections to the chamber environments resulting in quick and responsive recovery times.

Reliability and Protection of Automated and Redundant Back-up Systems
Dual temperature sensor probes, solid-state analyzers, HEPA filtration systems, and status alarms create a dependable, long lasting scientific instrument.

Critical Cleaning Components
Coved corners prevent contaminants from becoming trapped in the chamber. Removable shelves, brackets, and gasket make cleaning simple by cleaning around them or placing them in the autoclave.

Homogeneous Temperature
All 6 sides of the chambers walls feature heating elements surrounded by R5 insulation to provide optimum temperature uniformity in the work chamber.

100% Stainless Steel Interior
4 Removable Stainless Steel Shelves
20 Gallon (75.7 L) Water Jacket
Remote Alarm Output Contacts
CO2 Sample Port
Adjustable Leg Levelers
Access Port
Water Pan

Optional Features
Internal Tank Switch
RS-232 Communications Interface
Multi-Signal Analog Outputs
Additional Shelves
Cooling Coil
4 Segmented Inner Lexan Doors
Right Door Swing
Humidity Display
Model NU-4750
Chamber Volume 6.65 ft.3 / 188 L
Exterior Dimensions (W x D x H)
in. [mm]
31 x 25 ½ x 34 (787 x 648 x 864)
Chamber Dimensions (W x D x H)
in. [mm]
21 ½ x 21 x 25 ½ (546 x 533 x 648)
Weight 222 lbs. / 101 kg.
Temperature Control System  
Range 18°C to 55°C
Sensitivity ± 0.125°C
Uniformity ± 0.2°C at 37°C
Accuracy ± 0.0125°C
Display Resolution 0.1°C
CO2 Control System  
Range 0.1 to 20%
Accuracy ± 0.1%
Recovery 5.0% ± 2.0% in 3 minutes 30 seconds
Uniformity ± 0.1%
Display Resolution ± 0.1%
Warranty 2 Year Parts and Labor (US & CA)
  3 Year Parts (Intl)
Accolades UL, UL-C, CE, Energy Saver, RoHS, Constant Contamination Control, Critical Cleaning Components
Please note specifications are subject to change. Please contact NuAire to verify before purchase.