Terra Part # 5321-30
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50156
Test Chamber; General Protocol, 11 cu. ft., Forma, Thermo Fisher, 208 V
  • 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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  • 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

Benefits of Laminar Airflow

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.
Forma Environmental Chamber Airflow Diagram
Conventional top-to-bottom undirected airflow design
Forma Enviornmental Chamber Airflow Uniformity
Forma horizontal directed airflow design minimizes product loss and desiccation
Model Number391139203940
Exterior Dimensions38"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 Dimensions31"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)
Volume11 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 Shelves366
Maximum # of Shelves111919
Humidity Control±5% RHNone±5% RH
Humidity RangeAbove ambient to 95%NoneAbove ambient to 95%
Electrical208-220V120V208-220V
Plug Type10' NEMA 14-208' NEMA 5-2010' NEMA 14-20
Fill Port1/8" FPTNone1/8" FPT
Drain Port3/8" (19 mm) FPTNone3/8" (19 mm) FPT
Temperature Range0°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 Area5.4 sq. ft. (0.5 m2)
Shelf Loading Capacity35 lbs. (16 kg) slide in and out 
50 lbs. (23 kg) stationary
Interior Material304 2B Stainless Steel
Exterior MaterialCold-rolled steel
Insulation2" (51 mm) foamed urethane
FinishPowder coated
Refrigeration Compressor1/4 Horsepower, air cooled
RefrigerantsNon-CFC R-134a
* Better than ±0.5°C uniformity at all other temperature parameters.

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