Portable ULT Freezer NPUF-200 comes with a 2-liter storage capacity designed for critical samples. It delivers an extensive cooling range from 18℃ down to -120℃. This unit ensures reliable performance by maintaining precise temperature control. It operates with a gravity-driven thermosiphon system for effective heat transfer. Our freezer safeguards stored materials with a lockable lid that prevents unauthorized access.
| Storage capacity | 2L |
| Temperature range | 18℃ to -120℃ |
| Ambient temperature | 25°C, Empty cabinet |
| Temperature control capability | Target temperature ±2℃ |
| Time | Take 2 hours from 25℃ to -120℃ |
| conditions | Non-corrosive, Non-flammable, Non-explosive, Altitude up to 2000m (Temperature 5℃ to 35℃, maximum relative humidity 80%) |
| Refrigerant | Helium |
| Heat transport system | Gravity-driven thermosiphon |
| Cooling engine | Free-piston stirling cooler |
| Insulation | High-performance vacuum-insulated panels, polyurethane foam |
| Control sensor | One RTD (PT100 Class B), precision±0.3 |
| Security | Lockable lid |
| Warm and cold alarms | Setpoint ±10℃ |
| Defrost method | Manual |
| Noise | |
| Steady state energy | 65W |
| Maximum power consumption (current) | 100W (0.5A at 220V, 4.6A at 24V) |
| Power supply | 100V AC to 240V AC; 50Hz,60Hz; 12V DC to 24V DC |
| Internal dimension | 160×160×80 mm |
| External dimension | 245×245×450 mm |
| Packaging dimension | 390×400×550 mm |
| Net weight | 11 kg |
| Shipping weight | 16 kg |
Portable ULT Freezer NPUF-200 is used for reliable preservation of specimens requiring strict thermal protection. It finds application in universities, forensic labs, diagnostic centers, and government health programs.