Haier Biomedical TwinCool Frequency Conversion ULT Freezer, LED Display, -40 ~ -86℃

The Haier Biomedical TwinCool Frequency Conversion ULT Freezer – LED Display Series is a state-of-the-art ultra-low temperature freezer designed to provide maximum sample protection, exceptional energy efficiency, and fast temperature recovery. With dual independent HC cooling systems, the TwinCool freezer ensures continuous –80°C operation even if one system fails—making it ideal for critical biological and pharmaceutical storage.

This series utilizes frequency conversion technology, advanced VIP insulation, and auto-cascade refrigeration to reduce operating costs and provide unmatched temperature performance in biobanks, research institutes, clinical labs, and pharmaceutical facilities.

Temperature Range: –40°C to –86°C

Display Type: LED

Cooling System: Dual independent hydrocarbon (HC) auto-cascade refrigeration systems

Power Supply: 208–230V / 50Hz

Certifications: CE, ENERGY STAR

Insulation: VIP (Vacuum Insulated Panel) + Superinsulation

Models: DW-86L578S / DW-86L728S

Key Features

🔒 Maximum Sample Security

• Twin cooling system: Two independent and alternating refrigeration circuits
• If one fails, the other continues to maintain –80°C to ensure sample safety

❄️ Fast Cooling & Recovery

• Rapid temperature pull-down: From 25°C ambient to –80°C in just 240 minutes
• Fast door recovery: Returns to –75°C within 30 minutes after a 1-minute door opening
• Ensures sample protection during frequent access or emergencies

🌱 World-Leading Energy Efficiency

• Uses HC (hydrocarbon) refrigerant combined with VIP and superinsulation
• Energy-efficient design reduces heat gain and lowers power consumption
• 578L model consumes only 10 kWh/day, certified by the National Quality Certification Center for Energy Saving and Environmental Protection

💰 Reduced Operating Costs

• High-performance insulation system minimizes compressor cycling and energy use
• Frequency conversion compressor adjusts performance based on thermal demand

📊 Reliable Monitoring

• LED display shows real-time operating temperature and system status
• 4 insulated inner doors help minimize cold air loss and improve compartmental access

Use Cases

🧬 Biorepositories and Biobanks

• Long-term preservation of cells, DNA, RNA, stem cells, and rare biologicals

🏥 Clinical & Hospital Research Facilities

• Safe storage of vaccines, plasma, tissue samples, and test specimens

🔬 Pharmaceutical & Biotech Labs

• Storage of formulations, APIs, and cold chain-sensitive drugs

🧪 Universities & Research Institutes

• Reliable storage solution for reagents and research materials requiring stable ultra-low temperatures

Model Specifications

Unique Advantages of the TwinCool Frequency Conversion Series

• ✅ Redundant refrigeration system ensures zero downtime for temperature-sensitive samples
• ✅ Rapid pull-down and recovery speeds minimize thermal risk during door access
• ✅ Low energy consumption supports sustainability and reduces long-term costs
• ✅ LED control panel for simple monitoring and performance checks
• ✅ Certified ENERGY STAR & CE compliant for global laboratory standards

For Use in Biobanks, Clinical Labs, Research Institutions, and Cold Chain Applications.