The Wincom DW86-398 (often listed as model FRE-398 or sourced via regional suppliers like Wincom Company Ltd.) is an upright, ultra-low temperature laboratory freezer designed to operate within a critical temperature range of -40°C to -86°C. With a generous 398-liter storage capacity, it is primarily used for the long-term preservation of vaccines, blood samples, biological reagents, and highly sensitive electronic or chemical testing materials.
Key Technical Specifications
- Temperature Range: -40°C to -86°C.
- Capacity: 398 Liters.
- Exterior Dimensions: Approximately 850mm × 930mm × 1950mm.
- Climate Type: Class N.
- Structure: Upright design featuring a high-durability stainless steel inner chamber.
Core Functional Features
- Advanced Thermal Insulation: Utilizes premium 120mm to 130mm thick polyurethane foaming combined with advanced VIP (Vacuum Insulation Panel) technology to prevent cooling loss and drastically reduce power consumption.
- Intelligent Alarm Systems: Features built-in audible and visual warning alarms for high/low temperature limits, power failures, sensor faults, low battery backups, and door gaps.
- Secure Design Architecture: Equipped with inner independent doors to minimize temperature fluctuations during opening, a heated door seal to eliminate ice buildup, and a keyed lock system to protect high-value materials.
- Eco-Friendly Refrigeration: Uses high-performance, hydrocarbon-based environmental refrigerants paired with energy-saving compressors to achieve fast target pull-down times while maintaining low noise output.

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