Environmental / Humidity / Stability Chamber
Model No. :
Model No. : 3943TS
Brand : Thermo Fisher
This high-capacity stability chamber provides a spacious 821-liter environment for precise long-term storage and testing of pharmaceuticals and medical products. It utilizes advanced horizontal airflow technology to maintain exceptional temperature and humidity uniformity across all samples throughout the interior.
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Precise horizontal airflow ensures thermal uniformity
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Robust stainless steel interior resists corrosion
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Sophisticated touchscreen for intuitive system control
− Features
- Solid door comes standard
- Flexible set up of light modules addresses requirements for sample distance to light and sample volume
- Address applications under optimal conditions with light choices. Wide light distribution is achieved with 7 light bulbs
- Three different light modules are available to address specific applications:
ICH stability testing – addressing light and UV exposure according to guideline Q1B
Plant growth – addressing high red/blue radiation for optimal growth conditions
Animal hatching – providing daylight simulation
- Program light cycles:
Day/Night or Individual on/off cycles for every day of the week
Dawn/dusk simulations with increasing light intensity in 3 steps
+ Technical Specifications
+ Resources
Features
- Solid door comes standard
- Flexible set up of light modules addresses requirements for sample distance to light and sample volume
- Address applications under optimal conditions with light choices. Wide light distribution is achieved with 7 light bulbs
- Three different light modules are available to address specific applications:
ICH stability testing – addressing light and UV exposure according to guideline Q1B
Plant growth – addressing high red/blue radiation for optimal growth conditions
Animal hatching – providing daylight simulation
- Program light cycles:
Day/Night or Individual on/off cycles for every day of the week
Dawn/dusk simulations with increasing light intensity in 3 steps
Technical Specifications
| Alarm Types | Temperature and Humidity, adjustable |
| Capacity (English) | 29 cu.ft. |
| Capacity (English) Shelf | 35 lbs slide out / 50 lbs stationary |
| Capacity (Metric) Shelf | 15.9 kg slide out / 22.7 kg stationary |
| Compressor | 1/4hp, air-cooled |
| Controller Type | PID microprocessor controls |
| Defrost | Adjustable defrost timer; factory set for two 15-min. defrost cycles/24 hr. |
| Dimensions (D x W x H) Interior | 787 x 686 x 1524 mm / 31 x 27 x 60 in. |
| Dimensions (L x W x H) | 965 x 2248 x 1308 mm / 38 x 32 x 88.5 in. |
| Display | Digital Dual LED |
| Door Style | Solid door |
| Electrical Requirements | 208-220V, 60Hz, 15.0 A, 4 Wire (incl. Ground) single phase |
| For Use With (Application) | Light stability testing, Plant growth, Animal hatching |
| Humidity Accuracy | ≤±5.0% with light off / ≤±8.0% with light on |
| Humidity Control | Microprocessor, PID |
| Humidity Display | Digital, Dual LED (direct set and read in % RH) |
| Humidity Range | Above ambient to 95% RH with light off / to 75% RH with light on – at 37°C (98.6°F) |
| Humidity Resolution | 1% relative humidity |
| Humidity Sensor | Bulk Polymer |
| Humidity Source | Steam generator; initial fill approx. 1L / 1 qt. |
| Input Water Pressure | Water Inlet Gravity to 40psi / 2.76 bar |
| Lighting | Optional Flourescent Light Module |
| Refrigerant | CFC-free, R134A |
| Temperature Control | Microprocessor, PID |
| Temperature Resolution | 0.1°C |
| Temperature Sensor | Pt 100 |
| Temperature Stability | ≤±0.1°C with light off / ≤±0.5°C – with light on, @ 20°C to 37°C @ 75% RH with 2 light modules |
| Temperature Uniformity | ≤±0.3°C with light off / ≤±3.0°C – with light on, @ 20°C to 37°C @ 75% RH with 2 light modules |
| Water Consumption | max. 10 L / 2.6 gal per day |
| Water Resistivity | 50kilohm to 1megohm resistance |
| Chamber Material | Stainless Steel (304/1.4301) |
| No. of Shelves | 3 std./19 max. (3 with light) |
| Relative Humidity | <95% with Light Off at 37°C; <75% with Light On at 37°C |
| Temperature Range (Metric) | 0°C to 60°C (With Light), 10°C to 50°C (Without Light) |
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