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Thermo Scientific™
Forma™ Environmental Chamber Model 3920, 821.2 L, Stainless Steel
Catalog number: 3920
Thermo Scientific™
Forma™ Environmental Chamber Model 3920, 821.2 L, Stainless Steel
Catalog number: 3920
Perform a variety of applications withThermo Scientific™ Forma™ environmental chambers, 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.
| Capacity (English) | 29 cu. ft. |
| Certifications/Compliance | ICH, FDA, TAPPI, ASTM™ |
| Capacity (Metric) | 821.2 L |
| Chamber Material | Stainless Steel |
| Lighting | No Lighting |
| Material | Powder-coated Cold Rolled Steel |
| No. of Shelves | 6 supplied/19 max. |
| Temperature Range (Metric) | 0°C to 60°C |
| Type | Environmental Chamber |
| Display | Digital Dual LED |
| 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 |
| Dimensions (D x W x H) Interior | 27 x 31 x 60 in. (68.6 x 78.7 x 152.4 cm) |
| Width (English) | 38 in. |
| Width (English) Interior | 31 in. |
| Width (Metric) | 96.5 cm |
| Width (Metric) Interior | 78.7 cm |
| Height (English) | 88.5 in. |
| Height (English) Interior | 60 in. |
| Height (Metric) | 224.8 cm |
| Height (Metric) Interior | 152.4 cm |
| Depth (English) | 32 in. |
| Depth (English) Interior | 27 in. |
| Depth (Metric) | 81.3 cm |
| Depth (Metric) Interior | 68.6 cm |
| Electrical Requirements | 120 V, 60 Hz |
| Voltage | 120 V |
| Amperage | 20 A |
| Frequency | 60 Hz |
| Unit Size | Each |
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Broad Range of Features and Controls:
- Wide temperature range of 0° to 60°C that enhances the flexibility of the unit
- Sophisticated digital controls
- Programmable ramp and soak cycles for temperature†
- 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 undertemperature conditions, deviation of humidity from set parameters (except Model 3920)
Durable Construction:
- Cold-rolled steel, powder-coated cabinet
- 2″ (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″ and 12″ temperature chart recorder
- Other custom options available
Compatible with:
- Recorders (197075, 198036, 198039, 198042, 201144, 201145, 201146, 201147)
- Reach-In/Environmental Chamber Solid Stainless-steel Shelf (224139)
- Reach-In/Environmental Chamber Perforated Stainless-steel Shelf (224155)
- Reinforced Stainless-steel Shelf (224161)
- Fixed Reinforced Stainless-steel Shelf for two shakers (1900005)
- Stainless-steel Door Glass Cover, factory installed (190591)
Recommended for:
Ideal for growth, stability and shelf-life testing applications
Ordering Information
† Humidity controller available on 3940/3949, 3911/3913 only
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