PHCbi MDF-DU702VHS1-PJ Ultra-Low Temperature Freezer, 729 L, 100 V

The PHCbi MDF-DU702VHS1-PJ is a 729 L upright ultra-low temperature freezer designed for the controlled storage of biological samples, reagents, cell culture materials, and biotechnology research materials. Its cascade dual refrigeration circuit provides cooling performance down to -85 °C.

Key specifications

• Usable capacity: 729 L
• Temperature control range: -85 °C to -50 °C
• Cooling performance: -85 °C at 30 °C ambient temperature with no load
• Power supply: Single-phase 100 V, 50/60 Hz
• Rated power consumption: 530 W at 50 Hz / 540 W at 60 Hz
• Internal dimensions: 870 × 600 × 1400 mm
• External dimensions: 1030 × 882 × 1993 mm
• Product weight: 279 kg
• Shelving: 3 stainless-steel shelves, rated for 50 kg per shelf
• Control system: Microcomputer control with LCD touch-panel display
• Refrigeration: Cascade dual refrigeration circuit with natural-convection cooling
• Refrigerant: Non-fluorocarbon hydrocarbon refrigerant
• Insulation: Rigid foamed polyurethane with a 20 mm VIP PLUS vacuum insulation panel
• Access: Three 17 mm access ports, one automatic pressure-relief port, and one manual port

Monitoring and safety functions

• High- and low-temperature alarms with adjustable thresholds
• Door alarm with adjustable 0–15 minute delay
• Remote alarm output with DC 30 V and 2 A permissible contact capacity
• Power failure, battery, filter, and sensor self-diagnostic alerts
• STATUS monitoring for abnormal ambient temperature and overload operation
• Non-volatile memory backup
• Cylinder lock integrated into the outer-door latch

This laboratory ultra-low temperature freezer is suitable for long-term sample preservation in biotechnology, molecular biology, cell biology, biopharmaceutical research, biobanking, and molecular diagnostics. The listed unit has dents and scratches and is supplied without accessories.