Environmental Chamber - Forma - 11 cu ft.
SKU: 13-067-066
Brand: Thermo Scientific
Product Code: 41609111
SKU: 13-067-066
Availability: In Stock
Brand: Thermo Scientific
Product Code: 41609111
SKU: 13-067-066
Availability: In Stock
$15,334.91
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Thermo Scientific™ Forma™ Environmental Chamber - 11 cu. ft.
Choice of chambers to meet your specific needs
Manufacturer: Thermo Scientific 3911
Chamber, Environmental; Reach-in; Thermo Scientific Forma; Model 3911; 11 cu. ft.; Corrosion-resistant stainless-steel interior; 208/220V 60Hz
Broad Range of Features and Controls
- Wide temperature range of 0° to 60°C enhances the flexibility of the unit
- Relative humidity control via steam generator from above ambient to 95% at 37°C†
- Sophisticated digital controls
- Programmable ramp and soak cycles for temperature and RH†
- Durable cabinets feature true laminar airflow through side plenums for extremely tight uniformity
- Phenolic-coated evaporator for use in applications that create corrosive byproducts
- Manual control of defrost and refrigeration cycles
- Visible/audible safety alarms alert to over- and undertemperature conditions, deviation of humidity from set parameters (except Model 3920)
Durable Construction
- Cold-rolled steel, powder-coated cabinet
- 2.0 in. (5.1cm) thick, CFC-free, foamed-in-place polyurethane insulation
- Stainless-steel interior
- Solid stainless-steel adjustable shelves
- Directed horizontal airflow system for excellent uniformity
- Locking swivel casters ensure easy mobility during installation and cleaning
- Leveling feet provide stability and added safety in the lab
Broad Range of Options
- Interior lighting for Models 3920, 3940 and 3949‡
- Reinforced shelving and flooring for heavy loads
- Heatless dryer for lower humidity levels
- Access ports for probes, sensors
- Interior convenience receptacles
- CO2 (IR sensor)
- 6 in. and 12 in. temperature chart recorder
Other custom options available
Applications
Ideal for growth, stability, and shelf-life testing applications
Model 3911
- 11 cu. ft. (311.5L) capacity
- 208/220V 60Hz, 15.0A
- 4-wire power cord (including ground)
- NEMA 14-20P plug
- 3 solid stainless-steel shelves
- Exterior D x W x H: 32 x 38 x 51.5 in. (81.3 x 96.5 x 130.8cm)
- Interior D x W x H: 27 x 31 x 24 in. (68.6 x 78.7 x 60.9cm)
Model 3920
- 29 cu. ft. (821.2L) capacity
- 120V 60Hz, 20.0A
- 3-wire power cord (including ground)
- NEMA 5-30P plug
- 6 solid stainless-steel shelves
- Exterior D x W x H: 32 x 38 x 88.5 in. (81.3 x 96.5 x 224.8cm)
- Interior D x W x H: 27 x 31 x 60 in. (68.6 x 78.7 x 152.4cm)
Model 3940
- 29 cu. ft. (821.2L) capacity
- 208/220V 60Hz, 15.0A
- 4-wire power cord (including ground)
- NEMA 14-20P plug
- 6 solid stainless-steel shelves
- Exterior D x W x H: 32 x 38 x 88.5 in. (81.3 x 96.5 x 224.8cm)
- Interior D x W x H: 27 x 31 x 60 in. (68.6 x 78.7 x 152.4cm)
Compliance
ICH, FDA, TAPPI, ASTM™
Specifications
Capacity (English) | 11 cu. ft. |
Capacity (Metric) | 311.5L |
Voltage | 208/220V |
Hertz | 60Hz |
Height (English) Exterior | 51.5 in. |
Width (English) Exterior | 38 in. |
Depth (English) Exterior | 32 in. |
Height (Metric) Exterior | 130.8cm |
Width (Metric) Exterior | 96.5cm |
Depth (Metric) Exterior | 81.3cm |
Height (English) Interior | 24 in. |
Width (English) Interior | 31 in. |
Depth (English) Interior | 27 in. |
Height (Metric) Interior | 60.9cm |
Width (Metric) Interior | 78.7cm |
Depth (Metric) Interior | 68.6cm |
Cabinet Material | Cold-rolled steel, powder-coated cabinet |
Amperage | 15A |
Shelves | 3 supplied; 11 max. |
Display | Digital dual LED |
Programmability | Temperature ramp and soak, up to 24 steps |
Temperature Range (Metric) | 0° to 60°C |
Temperature Resolution | 0.1°C |
Temperature Uniformity | ±0.3 at 25° to 37°C |
Temperature Sensor | RTD |
Temperature Accuracy | ±0.1 at 25° to 37°C |
Compressor | 1/4hp, air-cooled |
Relative Humidity | Relative humidity control via steam generator from above ambient to 95% at 37°C |
Heat Output | 1750W (6000 BTU/hr.) at 220V, 1600W (5500BTUH) at |
Humidity Accuracy | ±5.0% |
Humidity Control | Microprocessor, PID |
Humidity Display | Digital, dual LED (direct set and read in % RH) |
Humidity Range | Above ambient to 95% at 37°C (98.6°F) |
Humidity Resolution | 0.01 |
Humidity Sensor | Bulk polymer |
Humidity Source | Steam generator; initial fill approx. 1 qt. (1L) |
Input Water Pressure | Water Inlet Gravity to 40psi |
Water Resistivity | 50kilohm to 1megohm resistance |
Defrost | Adjustable defrost timer; factory set for two 15-min. defrost cycles/24 hr. |
Refrigerant | CFC-free, R134A |
Water Consumption | 0.25 gal./hr. input water volume |
Certifications/Compliance | ICH, FDA, TAPPI, ASTM™ |
Capacity | 11 cu. ft., 311.5L |
Dimensions (D x W x H) Interior | 27 x 31 x 24 in. (68.6 x 78.7 x 60.9cm) |
Electrical Requirements | 208/220V 60Hz |
Manufacturer Part Number: 3940
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