| Storage capacity |
25L |
| Temperature range |
18℃ to -86℃ |
| Ambient temperature |
25°C, Empty cabinet |
| Temperature control capability |
Target temperature ±2℃ |
| Time |
Take 3.5 hours from 25℃ to -80℃ |
| 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 |
<55 dB |
| Steady state energy |
75W |
| 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 |
300×250×300 mm |
| External dimension |
616×392×455 mm |
| Packaging dimension |
710×480×530 mm |
| Net weight |
17.5 kg |
| Shipping weight |
21 kg |
FAQ for Portable ULT Freezer NPUF-102
1: Does the Portable ULT Freezer NPUF-102 come with safety features?
Our Portable ULT Freezer includes a lockable lid for added security, ensuring stored materials remain safe. It also has warm and cold alarms to alert you if the temperature deviates from the setpoint.
2: How durable is the construction?
Our Portable ULT Freezer is built with high-quality insulation materials and a robust cooling system. It ensures long-lasting performance and reliable operation under demanding conditions.
3: How often should defrosting be done?
The Portable ULT Freezer depends on how frequently the freezer is used and the surrounding environment. It is best to defrost once ice buildup becomes noticeable inside the chamber. It prevents reduced storage space and ensures stable cooling.
4: Is any special cleaning needed for the Portable ULT Freezer NPUF-102?
Our Portable ULT Freezer should be cleaned regularly using a soft cloth and mild detergent. It is important not to use abrasive or harsh chemicals that could damage the insulation. It keeps the interior safe for storing sensitive samples.
5: How can I maintain energy efficiency?
It is important to keep the lid closed as much as possible to reduce temperature fluctuations. It should also be defrosted on time to avoid excess ice buildup. It helps the unit run efficiently with lower power consumption.
6: Can the Portable ULT Freezer operate in extreme outdoor conditions?
Yes, our Portable ULT Freezer is built with rugged materials and insulation that withstand harsh conditions. Combined with dual power support, it remains dependable even when used in challenging field environments.
7: What type of samples can be stored in the Portable ULT Freezer?
The Portable ULT Freezer is suitable for preserving biological specimens, vaccines, clinical samples, pharmaceutical products, and research materials. Its ultra-low temperature range ensures secure long-term preservation of temperature-sensitive materials.
8: What kind of maintenance does the Portable ULT Freezer require?
Regular maintenance includes periodic cleaning of the interior chamber, inspection of seals, and monitoring of temperature calibration. Accessible components and a durable design make servicing simple and efficient.
9: How secure is the sample storage in these Portable ULT Freezers?
The Portable ULT Freezer comes with strong locking mechanisms, durable construction, and secure compartments. Combined with precise temperature control and alarms, samples remain safe from both physical and environmental risks.