OverviewThe TwinGuard ECO MDF-DU303VXH-PE is a next-generation dual-cooling ultra-low temperature freezer designed for secure storage of high-value biological samples. It provides stable ultra-low temperature performance down to -86°C with redundant cooling to protect sample integrity.
Key features- Ultra-low temperature operation: -86°C
- Dual independent cooling systems for redundancy and continuity
- Natural-hydrocarbon (HC) refrigerants and inverter compressors for improved energy efficiency
- 10.1" door-mounted LCD touchscreen and USB data export
- Filterless design to reduce routine maintenance
Control and monitoringDoor-mounted 10.1-inch high-resolution LCD touchscreen provides local control and graphical temperature history. Data logging and export via USB; internal temperature records available for review.
Security and access- PIN code
- Individual mechanical key
- Face recognition (optional)
- NFC proximity card (optional)
Design and maintenanceCompact footprint with chamfered edges for multi-unit installations, rear/bottom access ports and caster/leveling feet for positioning. Filterless construction simplifies maintenance tasks.
Range- Available models in the TwinGuard ECO series: MDF-DU303VXH-PE, MDF-DU503VXH-PE, MDF-DU703VXH-PE
Technical specifications- Model: MDF-DU303VXH-PE
- Commercial name: TwinGuard ECO MDF-DU303VXH-PE
- Brand: PHCbi
- External dimensions (W x D x H): 670 x 882 x 1838 mm
- Internal dimensions (W x D x H): 490 x 600 x 1230 mm
- Volume: 360 L
- Net weight: 225 kg
- Capacity (2" boxes, aluminum racks): 288
- Rated temperature: -86°C
- Temperature setting range: -40°C to -90°C
- Temperature control range: -40°C to -86°C
- Controller: Microcomputer control system
- Display: LCD digital (10.1" door-mounted)
- Temperature sensor: Pt1000
- Compressors: 2 x 550 W
- Refrigerant: Mixed HC refrigerant
- Insulation material: PUF/VIP Plus
- Insulation thickness: 80 mm
- Exterior material: Painted steel
- Interior material: Painted steel
- Exterior doors: 1
- Exterior door lock: Yes
- Interior doors: 2 (polystyrene)
- Access ports: 3 (rear/bottom)
- Access port diameter: 17 mm
- Casters: 4 (2 leveling feet)
- Data logging / USB: Yes
- Alarms: Power failure, High temperature, Low temperature
- Power supply: 220/230/240 V
- Frequency: 50 Hz
- Noise level: 52 dB[A]