Labotemp 2°C to 8°C Portable Pharmacy Refrigerator PHR-23 provides dependable cold storage for vaccines, insulin, pharmaceuticals, biological reagents, diagnostic kits, and other temperature-sensitive medical products. Designed as a compact small pharma refrigerator and medical refrigerator, it features a 25 L storage capacity, precise temperature range from 2°C to 8°C, and ±1°C temperature stability to protect valuable medical supplies during storage and transportation. The gravity-driven thermosiphon heat transfer system, high-performance polyurethane insulation, and precision PT100 temperature sensor maintain uniform chamber temperatures, while compatibility with 100–240 V AC and 12–24 V DC power enables reliable operation in hospitals, pharmacies, vaccination clinics, ambulances, mobile healthcare units, and field laboratories.
Advanced Stirling Cooling Technology
The refrigerator utilizes a free-piston Stirling cooling engine, where sealed helium gas repeatedly compresses and expands within the cooling system to remove heat efficiently without relying on a conventional compressor. This innovative refrigeration technology produces minimal vibration, quieter operation, and fewer moving mechanical parts, helping reduce maintenance while improving long-term reliability. The system cools from 25°C to 2°C in approximately 30 minutes and consumes only 15 W during steady-state operation, making it an energy-efficient solution for continuous medical storage. A lockable lid, manual defrost, high and low temperature alarms, durable insulated construction, and precise temperature control ensure safe and consistent protection of temperature-sensitive pharmaceuticals.
Why Choose Labotemp 2°C to 8°C Portable Pharmacy Refrigerator PHR-23?
✓ Reliable 2°C to 8°C Storage: Maintains ±1°C temperature stability for vaccines, medicines, and laboratory reagents.
✓ Free-Piston Stirling Cooling: Helium-based compressor-free refrigeration provides quiet, efficient, and low-maintenance operation.
✓ Portable Medical Design: Compact 25 L capacity with AC/DC power compatibility for healthcare facilities and mobile cold-chain transport.
| Storage & Temperature | |
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Storage Volume : 25 L Storage Volume |
25 L |
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Temperature Range : 2°C to 8°C Temperature Range |
2°C to 8°C |
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Temperature Control Capability : ±1°C Temperature Control Capability |
±1°C |
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Cooling Time : 0.5 hour from 25°C to 2°C Cooling Time |
0.5 hour from 25°C to 2°C |
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Cooling Technology : Free Piston Stirling Cooler Cooling Technology |
Free Piston Stirling Cooler |
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Refrigerant : Helium (He) Refrigerant |
Helium (He) |
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Heat Transfer System : Gravity Driven Thermosiphon Heat Transfer System |
Gravity Driven Thermosiphon |
| Power & Performance | |
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Power Supply : 100 V AC to 240 V AC, 50/60 Hz; 12 V DC to 24 V DC Power Supply |
100 V AC to 240 V AC, 50/60 Hz; 12 V DC to 24 V DC |
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Maximum Power : 100 W Maximum Power |
100 W |
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Steady State Energy : 15 W Steady State Energy |
15 W |
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Control Sensor : RTD (PT100 Class B) Control Sensor |
RTD (PT100 Class B) |
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Sensor Precision : ±0.3 Sensor Precision |
±0.3 |
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Noise Level : <50 dB Noise Level |
<50 dB |
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Insulation : High Performance Polyurethane Foam Insulation |
High Performance Polyurethane Foam |
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Defrost Method : Manual Defrost Method |
Manual |
| Construction & Safety | |
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Security : Lockable Lid Security |
Lockable Lid |
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Warm and Cold Alarms : Setpoint ±1°C Warm and Cold Alarms |
Setpoint ±1°C |
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Interior Dimensions (L × W × D) : 300 × 250 × 300 mm Interior Dimensions (L × W × D) |
300 × 250 × 300 mm |
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Exterior Dimensions (L × W × D) : 616 × 392 × 455 mm Exterior Dimensions (L × W × D) |
616 × 392 × 455 mm |
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Net Weight : 17.5 kg Net Weight |
17.5 kg |
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Shipping Dimensions (L × W × D) : 710 × 480 × 530 mm Shipping Dimensions (L × W × D) |
710 × 480 × 530 mm |
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Shipping Weight : 21 kg Shipping Weight |
21 kg |
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Environmental Conditions : Non corrosive, non flammable, non explosive Environmental Conditions |
Non corrosive, non flammable, non explosive |
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Operating Ambient Temperature : 5°C to 35°C Operating Ambient Temperature |
5°C to 35°C |
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Maximum Relative Humidity : 80% Maximum Relative Humidity |
80% |
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Maximum Altitude : 2000 m Maximum Altitude |
2000 m |