5321-30
Terra Part # 5321-30
$20,645
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50156
Test Chamber; General Protocol, 11 cu. ft., Forma, Thermo Fisher, 208 V
Product Details
  • Directed horizontal airflow system ensures optimum temperature uniformity
  • Positive-pressure feed plenum and negative-pressure return plenum ensure laminar flow
  • Plenum design ensures specimen containers will not block airflow
  • Corrosion-resistant evaporator and solid stainless steel interior
  • Enviro-Scan(R)  technology simplifies temperature control programming
  • Digital dual LED display
  • Temperature Range: 0° to 60°C
  • Temperature Resolution: 0.1°C
  • Temperature Uniformity: ±0.3 at 25° to 37°C
  • Temperature Accuracy: ±0.1 at 25° to 37°C
  • Humidity Range: Above ambient to 95% at 37°C (98.6°F)
  • Humidity Resolution: 0.01
  • Humidity Accuracy: ±5.0%
  • Audible/visual temperature alarms and data outputs for connecting in-house monitoring systems
  • Meets ICH, FDA, TAPPI, and ASTM standards

• Application: Environmental Testing

• Temperature Range: Ambient to 60°C

• Humidity Control: Yes

• Refrigerated: Yes

• Design: Free Standing

• Manufactured by: Thermo Fisher

• Model: Forma

• Type: General Protocol

• Capacity: 11 cu. ft.

• Interior Material: Stainless Steel

• Exterior Material: Powder Coated Steel

• Manufacturer SKU: 3911

• Family: Forma

• Maximum Temperature: 60°C

• Convection Type: Directed Airflow

• Sensor Type: Resistance Temperature Detector (RTD)

• Capacity Range: <12 cubic feet

• Unit of Measure: EA

• Electrical Specifications: 208 V, 15 A, 1 Ph, 60 Hz

• Weight, Product: 300 lb

• Dimensions, Product: 38" W x 32" D x 52" H

• Weight, Shipping: 375 lb

• Dimensions, Shipping: 44" W x 38" D x 56" H

• Package Type: Crate

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  1. Infrared CO2 Control Package, Factory-Installed, for Forma 3920
    Infrared CO2 Control Package, Factory-Installed, for Forma 3920 Ships Free Free shipping in contiguous USA
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  2. Infrared CO2 Control Package, Factory-Installed, for Forma 3911 and 3940
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  • Environmental/Humidity Chamber; 11 cu ft, 0C - 60C, Benchtop, Forma Forma Environmental Chambers by Thermo Fisher Scientific – 11.0 cu. ft.
  • Environmental Chamber; 29 cu ft., 0C - 60C, Forma Forma Environmental Chambers by Thermo Fisher Scientific – 29.0 cu. ft.

Features and Benefits

Learn More: Forma Environmental Chambers

Horizontal Laminar Airflow System Assures Temperature Uniformity

Thermo Scientific's Forma Environmental Chambers feature a directed airflow system designed to optimize temperature uniformity compared to a conventional top-down airflow system. By directing airflow across the surface of each shelf, samples receive a consistent flow of conditioned air that improves testing accuracy, especially following the door-opening and recovery events. Using positive feed plenums on one side of the chamber and negative pressure return plenums on the opposite side, the horizontal laminar flow system prevents airflow obstruction due to large volumes of samples and their arrangement on the shelves.

Customizable to Fit Any Industrial, Pharmaceutical or Biotechnological Application
The Thermo Scientific Forma Series Environmental Chamber offers a wide range of options including condensate evaporators, heatless dryer systems, custom access ports, and additional electrical outlets. Factory-installed shaker support and integrated cell roller systems are also available as custom orders.
Conventional top-to-bottom undirected airflow design
Forma horizontal directed airflow design minimizes product loss and desiccation
Model Number 3911 3920 3940
Exterior Dimensions 38"W x 32"D x 51.5"H 
(965 x 813 x 1308 mm)
38"W x 32"D x 88.5"H 
(965 x 813 x 2248 mm)
38"W x 32"D x 88.5"H 
(965 x 813 x 2248 mm)
Interior Dimensions 31"W x 27"D x 24"H 
(787 x 686 x 609 mm)
31"W x 27"D x 60"H 
(787 x 686 x 1524 mm)
31"W x 27"D x 60"H 
(787 x 686 x 1524 mm)
Volume 11 cu. ft. (312 liters) 29 cu. ft. (823 liters) 29 cu. ft. (823 liters)
Temperature Control ±0.1°C @ +37°C (98.6°F) ±0.2°C @ +25°C (77°F) ±0.1°C @ +37°C (98.6°F)
Standard # of Shelves 3 6 6
Maximum # of Shelves 11 19 19
Humidity Control ±5% RH None ±5% RH
Humidity Range Above ambient to 95% None Above ambient to 95%
Electrical 208-220V 120V 208-220V
Plug Type 10' NEMA 14-20 8' NEMA 5-20 10' NEMA 14-20
Fill Port 1/8" FPT None 1/8" FPT
Drain Port 3/8" (19 mm) FPT None 3/8" (19 mm) FPT
Temperature Range 0°C to +60°C (32°F to +140°F)
Temperature Uniformity ±0.3°C at 25°C to 37°C with six shelves installed*
Shelf Surface Area 5.4 sq. ft. (0.5 m2)
Shelf Loading Capacity 35 lbs. (16 kg) slide in and out 
50 lbs. (23 kg) stationary
Interior Material 304 2B Stainless Steel
Exterior Material Cold-rolled steel
Insulation 2" (51 mm) foamed urethane
Finish Powder coated
Refrigeration Compressor 1/4 Horsepower, air cooled
Refrigerants Non-CFC R-134a
* Better than ±0.5°C uniformity at all other temperature parameters.

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