Vaccine freezer ULF-28

laboratoryfor biobanksfor clinical laboratories

Overview
Labotemp ULF-28 is a 588 L ultra-low temperature (ULT) freezer designed for secure long-term preservation of biological samples at -40°C to -86°C. It features an independent dual cascade refrigeration system with automatic backup activation to maintain safe conditions in case of primary system failure.

Key Features

• Independent dual cascade cooling with automatic backup activation
• Ultra-low operation down to -86°C
• High storage capacity: 588 L with organized rack system (up to 25,500 vials)
• Microprocessor temperature control with ±0.1°C precision
• 7-inch touchscreen for real-time monitoring and control
• Dual SECOP compressors for continuous reliable operation
• Multi-layer insulation: PURF 100 mm + Vacuum Insulation Panel (VIP)
• Comprehensive alarm suite and 72-hour battery backup for controller/data
• Stainless steel interior and washable surfaces for hygiene
• Foamed solid door design with lock and test ports
• Direct cooling with manual defrost; heavy-duty casters for mobility

Functions

• Automatic backup switching between refrigeration circuits
• Stable, uniform cooling suitable for vaccines, reagents and biobanking
• Precise temperature logging and alarm notifications
• Manual defrost for controlled maintenance
• Data ports for external monitoring and data export

Applications

• Long-term storage of vaccines, biological samples and critical reagents at -86°C
• Biobanks and clinical research requiring alarmed, backed-up storage
• Pharmaceutical QC and GMP labs for stability studies and sample retention
• Molecular biology storage of DNA, RNA, enzymes and cell samples
• Academic and industrial laboratories needing validated ULT preservation

Standard Accessories

• USB data download port
• Remote alarm port
• RS485 communication port

Optional Accessories

• Temperature datalogger
• Temperature printer
• Chart recorder
• Protective gloves
• LN2 / CO2 backup system

Technical specifications

• Capacity: 588 L
• Temperature range: -40°C to -86°C
• Ambient temperature: 10 – 32°C
• Sample capacity: 25,500 vials (0.5–2 ml), 400 boxes, 16 racks
• Power supply: 220V ±10%, 50 Hz
• Power consumption: 1500 W
• Electric current: 10.47 A
• Energy consumption (kWh/24h): 16.23
• Controller / display: Microprocessor / 7-inch touch
• Sensor: PTC
• Temperature accuracy: ±0.1°C
• Temperature stability: ±5°C
• Refrigeration type: Direct cooling / Manual defrost
• Cooling system: Cascade refrigeration system
• Compressor: SECOP × 2
• Refrigerant / weight: R4001 / 320 g
• Interior material: Stainless steel
• Exterior material: Coated steel / Stainless steel
• Insulation material: PURF (100 mm) + Vacuum Insulation Panel (VIP)
• Door type: Foamed solid door ×1 or ×2
• Door lock: Yes
• Test holes: 2
• Casters: 4
• Cold rack max loading: 255D rack / 16
• 2' cold rack max loading: 400
• Alarms: High/Low Temperature; Power Failure (72h backup); Sensor Error; Controller Error; Door Ajar; Abnormal Voltage; Ambient Temperature; Battery Error; Condenser Error / Filter Net Clean
• Interior dimensions (W×D×H): 606 × 738 × 1310 mm
• Exterior dimensions (W×D×H): 891 × 1155 × 1995 mm
• Packing dimensions (W×D×H): 975 × 1185 × 2200 mm
• Net / Gross weight: 335 / 395 kg
• Package: Plywood box with pallet