Direct Cooling Energy-Saving Ultra Low Temperature Freezer (340 Liters) Stainless Steel -86°C Freezer for Laboratory &
Direct Cooling, Energy-Saving Ultra Low Temperature Freezer (340 Liters)
Stainless Steel -86°C Freezer for Laboratory & Hospital Use
Product Overview:
The -86ºC Ultra-Low Temperature Freezer is expertly designed for the long-term storage of biological materials such as viruses, bacteria, erythrocytes, leukocytes, and skin samples. It’s ideal for use in blood banks, hospitals, epidemic prevention services, research institutions, and laboratories in electronics, chemical plants, biological engineering, and marine fishery industries.
Key Features:
- Self-Cascade Cooling System:
Offers fast cooling, easy maintenance, energy efficiency, and environmental protection. - Energy-Saving Design:
Equipped with a self-developed mixed refrigerant, this freezer reduces energy consumption by 50% and enhances cooling speed by 40%.
Applications:
- Blood Banks
- Hospitals
- Epidemic Prevention Centers
- Research Institutes
- Laboratories (Electronics, Chemical Plants)
- Biological Engineering Institutes
- Marine Fisheries


- Unique insulated inner door design for four separate storage compartments to minimize frost buildup inside the chamber.
- Specialized control system design for a well-balanced operation of dual refrigeration system.
- Positive filed proven reliability record.
SAFETY
- Malfunction alarms including high and low temperature, power failure, sensor error, clean-filter, and extremely high ambient, abnormal voltage, thermostat failure, low battery, condenser clean, door ajar.
- Capable of producing two types of alarm outputs, audible buzzer and visible flashing light.
- Door open feature standard and USB port for temperature date downloading standard on upright models.
- Remote alarm contacts.


- Unique door seal design for the minimum loss of cold temperature during a door opening.
- High performance VIP insulation panels to minimize cabinet heat gain and to improve temperature stability.
- HC refrigerant with better efficiency and less energy cost.
KEY DESIGN FEATURES
- Microprocessor-controlled system designed for range of -40°C to -86°C for cabinet space with 1°C increment.
- Depending on the load demands and ambient conditions, one or both refrigeration systems will operate on demand, ensuring the samples are fully protected under the worst possible condition.
- Optional temperature recorder, storage racks and box.


INSTALLATION AND APPLICATION
- Wide rage operating voltage system from 187V to 242V designed to allow units installed in areas with poor voltage condition
- Suitable for 10°C to 32°Cambient temperature.
| Model | MDF-86V340E | |
| Specificaitons | Shelf/drawer QTY | Stainless steel shelf/3 |
| Cooling | Direct cooling | |
| Defrost | Manual | |
| Refrigerant | Mixed-gas | |
| Power Consumption(kWh/24h) | 11.2 | |
| Noise(db) | 52 | |
| Ambient temperature(ºC) | 10~32ºC | |
| Temperature range(ºC) | -40~-86ºC | |
| Cooling system | Compressor brand/QTY | SECOP/1 |
| Sensor | PTC | |
| Temperature controller | Microprocessor | |
| Display | Digital display | |
| Power | Voltage/frequency(V/Hz) | 220/50Hz |
| Power(W) | 810W | |
| Current(A) | 5A | |
| Material | Inside material | Stainless steel |
| Outside material | Color sprayed steel | |
| Insulation | PURF | |
| Size | Capacity(L/cu.ft) | 340/12 |
| NT./GT.(kg) | 222/283.5 | |
| Exterior size(W*D*H)(mm) | 875*980*1900 | |
| Interior size(W*D*H)(mm) | 488*607*1140 | |
| Package size(W*D*H)(mm) | 935*1070*2130 | |
| CBM | 2.13 | |
| 20GP/40GP/40HQ | 12/24/24 | |
| Frozen Racks | Racks | 12(4X4) |
| Boxes (2 Inches) | 192 | |
| Samples(2ml) | 19200 | |
| Alarm | High/low temperature | Y |
| Power failure | Y | |
| Abnormal voltage | Y | |
| Sensor error | Y | |
| Filter screen check | Y | |
| Thermostat failure | Y | |
| Low battery | Y | |
| Condenser clean | Y | |
| High ambient temperature | Y | |
| Door ajar | Y | |
| Power failure backup system(alarm) | 72h | |
| Accessories | Castor | Y |
| Inside door | 2 | |
| Test hole QTY/diameter | 1/25MM | |
| USB port | Y | |
| Chart recorder | / | |
| Data logger | Optional | |
| Remote alarm port | Y | |
| Optional | CO2 back up system | Optional |
| LN2 back up system | Optional | |
| Other | Certification | ISO.CE |

Anhui Zhongke Duling Commercial Appliance Co.Ltd is a direct sourcing manufacturer with core technology.
| Packing | Exporting Plywood package |
| 20GP/40GP/40HQ | 12/24/24 Sets |
| Loading Port: | Shanghai/ Ningbo/Hefei |
| Shipment Term | EXW/FOB/CFR/CIF |
| Payment Term | 100% TT Before Delivery |
Anhui Zhongke Duling Commercial Appliance Co.Ltd is a high-tech enterprise which specialized in designing, manufacturing and marketing of laboratory & bio-medical storage equipments, cold room, cold-chain logistics and customized instruments.
We operate with 2 brands
Mether with Safety, Profession, Environmental protection
Promed with Value, Stability, Energy saving
We pursue the concept of "For a healthy world, For a healthy future" with the strong technical support from R&D team. We produce environmentally friendly products for high-end brand technical areas like research institutes, hospitals, laboratories, commercial retails with the dedication to build a green bridge for health of the humanity and the world.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.



