Description

Forma Environmental Chambers . 11 Cu. Ft., 0-60C
Thermo Scientific™ Forma™ environmental chambers perform a variety of applications, which can be configured for a variety of purposes and are available in multiple capacities. With a wide range of accessories and years of experience in constructing cabinets, we can construct units to match your most stringent applications.

Broad Range of Features and Controls:

Wide temperature range of 0° to 60°C that enhances the flexibility of the unit
Relative humidity control via steam generator from above ambient to 95% at 37°C (not available w/Cat. No. 3920)
Sophisticated digital controls
Programmable ramp and soak cycles for temperature and RH†
Durable cabinets with 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 under temperature conditions, deviation of humidity from set parameters (except Model 3920)

Durable Construction:

Cold-rolled steel, powder-coated cabinet
2 in. (5.1cm) thick, CFC-free, foamed-in-place polyurethane insulation
Stainless-steel interior with solid stainless-steel adjustable shelves
Directed horizontal airflow system for excellent uniformity
Locking swivel casters for easy mobility during installation and cleaning
Leveling feet for stability and added safety in the lab

Broad Range of Options:

Interior lighting for Models 3920, 3940 and 3949 (Optional)
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

Compatible with:

Recorders 
Reach-In/Environmental Chamber Solid Stainless-steel Shelf 
Reach-In/Environmental Chamber Perforated Stainless-steel Shelf 
Reinforced Stainless-steel Shelf 
Fixed Reinforced Stainless-steel Shelf for two shakers
Stainless-steel Door Glass Cover, factory installed

Specifications

Lighting
Optional Interior Lighting

Type
Environmental Chamber

Capacity (English)
11 cu. ft.

Certifications/Compliance
ICH, FDA, TAPPI, ASTM™

Amperage
15 A

Depth (English) Interior
27 in.

Depth (English)
32 in.

Depth (Metric)
81.3 cm

Depth (Metric) Interior
68.6 cm

Capacity (Metric)
311.5 L

Chamber Material
Stainless Steel

Dimensions (D x W x H) Interior
27 x 31 x 24 in. (68.6 x 78.7 x 60.9 cm)

Temperature Range (Metric)
0°C to 60°C

Material
Powder-coated Cold Rolled Steel

Display
Digital Dual LED

Electrical Requirements
208/220 V, 60 Hz

Frequency
60 Hz

Height (English)
51.5 in.

Height (English) Interior
24 in.

Height (Metric)
130.8 cm

Height (Metric) Interior
60.9 cm

Humidity Control
Microprocessor, PID

Humidity Display
Digital, dual LED (direct set and read in % RH)

Humidity Accuracy
±5.0%

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

No. of Shelves
3 supplied/11 max.

Programmability
Temperature ramp and soak, up to 24 steps

Refrigerant
CFC-free, R134A

Temperature Accuracy
±0.1 at 25° to 37°C

Temperature Resolution
0.1°C

Temperature Sensor
RTD

Temperature Uniformity
±0.3 at 25° to 37°C

Voltage
208/220 V

Water Consumption
0.25 gal./hr. input water volume

Water Resistivity
50kilohm to 1megohm resistance

Width (English)
38 in.

Width (English) Interior
31 in.

Width (Metric)
96.5 cm

Width (Metric) Interior
78.7 cm

Unit Size
Each