Commercial ultra-low temperature refrigerators are designed for professional applications requiring deep cryogenic storage, achieving storage environments far below conventional freezing temperatures through enhanced refrigeration systems. These devices are primarily used for the long-term preservation of temperature-sensitive items, demanding higher standards of stability and safety.
Brief introduction
This series of ultra-low temperature freezers is designed for laboratories, medical institutions, and storage applications for food and special materials, meeting specific requirements for low-temperature environments. The equipment employs a multi-stage refrigeration system and thermal insulation design to achieve stable low-temperature storage while supporting continuous daily operation.
Low-temperature storage characteristics
Compared to conventional freezing equipment, ultra-low temperature freezers can provide a lower temperature environment to mitigate sample degradation or fluctuations in food quality. The core principle lies in the synergistic design of the refrigeration system and the thermal insulation structure of the chamber.
Multi-stage refrigeration system
The multi-stage compression refrigeration system (specific to the model) achieves a wider temperature range while maintaining stable operation, making it ideal for professional low-temperature storage applications.
High-efficiency insulation structure
The enclosure typically employs high-density insulation materials to minimize heat loss, enhance temperature stability, and reduce the impact of external environmental factors.
Hydraulic Buffer Door Body Design
Equipped with a hydraulic buffer mechanism, it provides smooth support during door opening and closing, reducing impact and seal wear caused by frequent operation, thereby helping to maintain the box's airtightness.
Temperature Monitoring and Control
The device is typically equipped with a digital temperature control system (depending on the model), which monitors and regulates the internal temperature in real time, facilitating daily operation and management.
Safe materials for food contact
The inner liner is typically constructed from stainless steel or other low-temperature resistant materials, enabling reliable performance in cold environments while facilitating cleaning and maintenance.
| Model Number | Specifications | Temperature | Temperature Range | Current | Weight | Power | Capacity | External Dimensions | Internal Dimensions |
| ETD-F50-158 | 158L | .-50℃ | .-15~-50℃ | 3.3A | 61KG | 500W | 138L | 800*670*900mm | 594*464*634mm |
| ETD-F65-158 | .-65℃ | .-25~-65℃ | 3.3A | 61KG | 500W | ||||
| ETD-F86-158 | .-86℃ | .-50~-86℃ | 4.4A | 61KG | 600W | ||||
| ETD-F50-248 | 248L | .-50℃ | .-15~-50℃ | 3.5A | 76KG | 500W | 228L | 1100*670*900mm | 894*464*634mm |
| ETD-F65-248 | .-65℃ | .-25~-65℃ | 3.5A | 76KG | 500W | ||||
| ETD-F86-248 | .-86℃ | .-50~-86℃ | 4.6A | 76KG | 650W | ||||
| ETD-F50-308 | 308L | .-50℃ | .-15~-50℃ | 3.5A | 83KG | 500W | 288L | 1300*670*900mm | 1094*464*634mm |
| ETD-F65-308 | .-65℃ | .-25~-65℃ | 3.5A | 83KG | 500W | ||||
| ETD-F86-308 | .-86℃ | .-50~-86℃ | 5.2A | 83KG | 750W | ||||
| ETD-F50-370 | 370L | .-50℃ | .-15~-50℃ | 3.8A | 91KG | 550W | 350L | 1500*670*900mm | 1294*464*634mm |
| ETD-F65-370 | .-65℃ | .-25~-65℃ | 3.8A | 91KG | 550W | ||||
| ETD-F86-370 | .-86℃ | .-50~-86℃ | 5.8A | 91KG | 850W | ||||
| ETD-F50-500 | 500L | .-50℃ | .-15~-50℃ | 4.4A | 105KG | 600W | 480L | 1500*800*940mm | 1294*594*675mm |
| ETD-F65-500 | .-65℃ | .-25~-65℃ | 4.4A | 105KG | 600W | ||||
| ETD-F86-500 | .-86℃ | .-50~-86℃ | 5.8A | 105KG | 850W | ||||
| ETD-F50-600 | 600L | .-50℃ | .-15~-50℃ | 4.8A | 113KG | 700W | 1750*800*940mm | 1544*594*675mm | |
| ETD-F65-600 | .-65℃ | .-25~-65℃ | 4.8A | 113KG | 700W | 580L | |||
| ETD-F86-600 | .-86℃ | .-50~-86℃ | 5.8A | 113KG | 850W | ||||
| ETD-F50-685 | 685L | .-50℃ | .-15~-50℃ | 4.8A | 122KG | 700W | 665L | 1950*800*940mm | 1744*594*675mm |
| ETD-F65-685 | .-65℃ | .-25~-65℃ | 4.8A | 122KG | 700W | ||||
| ETD-F65-630 | 630L Dual compressors | .-65℃ | .-25~-65℃ | 8.2A | 143KG | 1200W | 610L | ||
| ETD-F86-630 | .-86℃ | .-50~-86℃ | 8.5A | 143KG | 1200W | ||||
| ETD-F50-788 | 788L | .-50℃ | .-15~-50℃ | 5.3A | 130KG | 750W | 768L | 2200*800*940mm | 1994*594*675mm |
| ETD-F65-788 | .-65℃ | .-25~-65℃ | 5.3A | 130KG | 750W | ||||
| ETD-F65-730 | 730L Dual compressors | .-65℃ | .-25~-65℃ | 8:4A | 151KG | 1250W | 710L | ||
| ETD-F86-730 | .-86℃ | .-50~-86℃ | 8.8A | 151KG | 1400W |

Purpose: Low-temperature storage of samples, reagents, or experimental materials
Demand characteristics: Temperature stability and long-term storage

Purpose: Storage of special materials or samples
Demand Characteristics: Safety and Temperature Control Management

Purpose: Deep freezing of high-value ingredients
Demand characteristics: Delayed quality changes

Purpose: Low-temperature storage of temperature-sensitive materials
Demand Characteristics: Environmental Control and Equipment Reliability
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