1. Temperature Specifications
Operating temperature: 2 °C to 6 °C (commonly maintained at 4 °C ±1 °C)
Temperature control accuracy: ±0.1 °C
Temperature uniformity: ±1 °C across the cabinet
Ambient operating temperature: 10 °C – 32 °C
This range preserves red blood cells and prevents freezing or bacterial growth.
2. Storage Capacity
Typical capacities depend on model:
Capacity | Blood Bags (450 ml) |
100–150 L | ~60–100 bags |
200–300 L | ~120–200 bags |
400–600 L | ~250–360 bags |
900 L | up to ~500 bags |
Example:
108 L unit: about 66 blood bags capacity.
3. Cooling System
Cooling type: Forced air circulation
Compressor: High-efficiency hermetic compressor
Refrigerant: Environment-friendly R134a (CFC-free)
Defrost: Automatic / no-frost system
4. Control System
Microprocessor-based temperature controller
Digital LCD/LED temperature display
Temperature resolution: 0.1 °C
Multiple temperature sensors for accurate monitoring
5. Alarm & Safety Features
Standard alarms include:
High temperature alarm
Low temperature alarm
Door open alarm
Power failure alarm
Sensor failure alarm
Low battery alarm
Remote alarm contact
Audible buzzer and visual light alarm
6. Cabinet Construction
Interior: Stainless steel (usually SS-304)
Exterior: Powder-coated steel
Door: Double / triple glass heated door to prevent condensation
Insulation: High-density polyurethane foam
Shelves / baskets: Adjustable steel shelves or blood storage baskets
7. Monitoring & Recording
Built-in temperature recorder or printer
Data logger / USB interface (optional)
Continuous temperature recording
Backup battery for alarms and display (up to 72 h)
8. Electrical Specifications
Power supply: 220–240 V, 50/60 Hz (some models 110 V)
Power consumption: approx. 180 W – 700 W depending on size
Noise level: ~40–50 dB
9. Additional Features
Internal LED lighting
Lockable door
Casters for mobility
Test port for temperature probes
Backup battery system
Remote alarm interface
