-86°C Ultra-Low Temperature Freezer 588L (CAT#: STEM-LT-0559-ZJF)

The BDF-86V Series ultra-low temperature freezers are high-capacity, precision-controlled refrigeration units designed to maintain stable environments as low as -86°C. Equipped with dual SECOP compressors, hydrocarbon refrigerants, and intelligent microprocessor systems, these freezers ensure energy efficiency, rapid temperature recovery, and comprehensive alarm protection. The units are ideal for storing temperature-sensitive biological and chemical samples in critical research and clinical environments.

Capacity: 588L
Temp. Range: -40°C to -86°C
Temp. Accuracy: 0.1°C
Temp. Uniformity: ≤4°C
Temp. Stability: ≤6°C
Cooling Time: 302 min (to -80°C at 25°C ambient)
Recovery Time: 48 min (to -75°C at 25°C ambient)
Control System: Microprocessor control
Display: 7-inch LCD touch screen
Alarm: Audible/visual alarms for high/low temp, sensor fault, dirty condenser, ambient temp anomaly, voltage anomaly, power loss, door opening, low battery; remote alarm interface; all alarms and logs viewable on screen
Refrigeration Type: Direct-cooling
Refrigerant: R290 (CFC-free hydrocarbon)
Compressor: Dual imported SECOP compressors
Condenser & Evaporator: Copper tube finned type, copper coil
Defrost: Manual
Construction: High-density polyurethane foam (CFC-free)
Internal Material: 304 stainless steel
External Material: Sprayed steel plate
Door: Outer: Sprayed steel plate ×1; Inner: Stainless steel doors ×2
Power Consumption: 690W
Power Supply: AC220V, 50/60Hz (Standard); 110V, 60Hz (Optional, with external transformer)
Casters: Yes
Shelf: 3
Standard Accessory: Remote alarm interface, USB port, test port, handwriting panel, A4 paper slot, automatic pressure balance vent
Optional Accessory: Temperature recorder, disc recorder, liquid nitrogen backup system
Internal Size (W×D×H): 606×738×1310 mm
External Size (W×D×H): 891×1155×1994.5 mm
Package Size: 1330×1010×2200 mm
Net Weight: 335 kg
Gross Weight: 400 kg

Ultra-low temperature operation down to -86°C
Dual SECOP compressors ensure powerful and stable cooling
Hydrocarbon refrigerants (R290 / R4001), CFC-free and eco-friendly
Advanced 7" LCD touchscreen control and status interface
Full-spectrum audible and visual alarms with log history access
Rapid temperature recovery after door openings
Manual defrost ensures stable low-temp preservation
Energy-efficient polyurethane insulation with CFC-free formulation
Durable 304 stainless steel interior with two inner doors
Built-in casters for mobility and installation flexibility
Includes USB and remote alarm ports, air pressure balance, and data-friendly features
Optional liquid nitrogen backup system and data recorders available

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