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

The PHCbi MDF-DU702VHS1-PJ is a 729 L ultra-low temperature freezer designed for long-term storage of biological samples, reagents, cell banks, molecular biology materials, and biotechnology specimens. The upright laboratory freezer provides cooling performance to -85 °C using a dual refrigeration circuit and natural-convection cooling system.

Key specifications

• Capacity: 729 L effective internal volume
• Temperature range: -85 °C to -50 °C
• Cooling performance: -85 °C at 30 °C ambient temperature with no load
• Configuration: Upright, single outer door with two insulated inner doors
• Power: Single-phase 100 V, 50/60 Hz
• Refrigeration: Dual circuit with 750 W high-stage and 750 W low-stage compressors
• Control: Microcomputer-controlled operation with LCD touchscreen display
• Interior: Three stainless-steel shelves, each rated for 50 kg
• Insulation: Rigid polyurethane foam and 20 mm VIP PLUS vacuum insulation panel
• Refrigerant: HC non-fluorocarbon refrigerant
• Dimensions: 1030 W × 882 D × 1993 H mm
• Weight: 279 kg

Monitoring and safety functions

• High- and low-temperature alarms
• Door alarm with adjustable 0–15 minute delay
• Filter-status indication
• Power-failure and battery alarms
• Sensor self-diagnostics
• Non-volatile memory backup
• Remote alarm output with DC 30 V, 2 A contact capacity
• STATUS monitoring for abnormal ambient temperature and overload operation

This PHCbi ULT freezer is suitable for biobanking, clinical research, molecular diagnostics, cell culture storage, gene editing workflows, synthetic biology research, and biopharmaceutical production pipelines. The listed unit has a slightly raised panel section and scratches on the handle and is offered in its current condition. No accessories are included.