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Thermo Scientific™ Forma™ Environmental Chamber Model 3940, 821.2 L, Stainless Steel
Temperature Range: 0°C to 60°C; Relative Humidity (RH): Ambient to 95% at 37°C; Light: No Lighting
Supplier: Thermo Scientific™ 3940
Description
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.
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 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
Specifications
| 29 cu. ft. | |
| 821.2 L | |
| IR Sensor | |
| Powder-coated Cold Rolled Steel | |
| 95% | |
| Environmental Chamber | |
| ±5.0% | |
| Digital, dual LED (direct set and read in % RH) | |
| Bulk polymer | |
| Water Inlet Gravity to 40psi | |
| CFC-free, R134A | |
| 0.1°C | |
| ±0.3 at 25° to 37°C | |
| 50kilohm to 1megohm resistance | |
| 38 in. | |
| 96.5 cm | |
| 88.5 in. | |
| 224.8 cm | |
| 32 in. | |
| 81.3 cm | |
| 208/220 V, 60 Hz | |
| 15 A |
| ICH, FDA, TAPPI, ASTM™ | |
| Stainless Steel | |
| No Lighting | |
| 6 supplied/19 max. | |
| 0°C to 60°C | |
| Digital Dual LED | |
| Microprocessor, PID | |
| 0.01 | |
| Steam generator; initial fill approx. 1 qt. (1L) | |
| Temperature ramp and soak, up to 24 steps | |
| ±0.1 at 25° to 37°C | |
| RTD | |
| 0.25 gal./hr. input water volume | |
| 27 x 31 x 60 in. (68.6 x 78.7 x 152.4 cm) | |
| 31 in. | |
| 78.7 cm | |
| 60 in. | |
| 152.4 cm | |
| 27 in. | |
| 68.6 cm | |
| 208/220 V | |
| 60 Hz |