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Portable Ultra Low Temperature Stirling Freezer, -86°C, 25 L, AC/DC, Model ULF-25
Specifications
| Capacity | 25 L |
|---|---|
| Power Supply | 100–240 V AC, 50/60Hz; 12 V/24 V DC |
| Temperature range | +25°C to –86°C |
| Model | ULF-25 |
| Temperature Sensor | RTD (PT100 Class B), precision ±0.3 |
| Temperature Stability | ±1°C |
| Refrigerant | Helium (He) |
| Temperature Control Accuracy | Target temperature ±2°C |
| Maximum Power / Current | 100 W (0.5A @220V, 4.6A @24V) |
| Steady-State Power Consumption | 75 W |
| Cooling Engine | Free Piston Stirling Cooler |
| Heat Transport System | Gravity-driven thermosiphon |
Key Features
ULF-25 Portable Ultra Low Temperature Freezer delivers powerful Stirling cooling, -86°C capability, and portability for secure storage and transport of sensitive samples, vaccines, and materials.
- Provides ultra-low temperature storage from +25°C down to –86°C with a stable ±1°C precision.
- 25 L storage capacity suitable for laboratory, clinical, and field research use.
- Advanced Stirling free-piston technology for robust, compressor-free operation.
- Operates on both 100–240 V AC and 12/24 V DC, facilitating lab and mobile cold chain workflows.
- Highly efficient vacuum insulated panels combined with polyurethane foam minimize thermal loss.
- PT100 Class B RTD sensor ensures high-accuracy temperature monitoring and stability.
- Built-in high/low temperature alarm and lockable lid for secure sample management.
Product Description
ULF-25 Portable Ultra Low Temperature Freezer is purpose-built for secure storage and dependable cold chain transport of biological samples, vaccines, pharmaceuticals, and sensitive research materials across laboratories, clinics, pharmaceutical logistics, and field operations. It delivers an adjustable temperature range from +25°C down to –86°C with ±1°C temperature stability, powered by advanced Stirling cooling technology that avoids conventional compressor systems for quieter, low-maintenance performance.
An internal 25 L chamber provides ample storage, while dual AC (100–240 V) and DC (12/24 V) compatibility ensures flexibility in power sources, making it ideal for mobile labs, emergency medicine, and research expeditions where robust cold chain management is crucial.
- Provides ultra-low temperature storage from +25°C down to –86°C with a stable ±1°C precision.
- 25 L storage capacity suitable for laboratory, clinical, and field research use.
- Advanced Stirling free-piston technology for robust, compressor-free operation.
- Operates on both 100–240 V AC and 12/24 V DC, facilitating lab and mobile cold chain workflows.
- Highly efficient vacuum insulated panels combined with polyurethane foam minimize thermal loss.
- PT100 Class B RTD sensor ensures high-accuracy temperature monitoring and stability.
- Built-in high/low temperature alarm and lockable lid for secure sample management.
The freezer features rapid pull-down capability (~3.5 hours to reach –80°C from 25°C ambient when empty), an efficient power draw (steady-state 75 W), high thermal insulation, and a user-friendly design with a lockable lid and high/low temperature electronic alarms for safe, reliable operation. Package contents: 1 ULF-25 Portable Ultra Low Temperature Freezer.
Typical industrial applications include laboratory biorepositories, pharmaceutical logistics, clinical research, field sample collection, blood banks, biotechnology facilities, diagnostics, and cold chain transportation solutions. Explore more laboratory and ultra-low temperature equipment on EnvMart to support your research and pharmaceutical cold storage needs.
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Frequently Asked Questions
The ULF-25 Portable Ultra Low Temperature Freezer has a temperature range from +25°C down to –86°C, providing ultra-low temperature storage for sensitive samples.
The ULF-25 has a storage capacity of 25 liters, making it suitable for laboratory, clinical, and field research use.
The ULF-25 maintains a temperature stability of ±1°C, utilizing a PT100 Class B RTD sensor for high-accuracy temperature monitoring.
The ULF-25 operates on both 100–240 V AC and 12/24 V DC, allowing for flexibility in power sources for various applications.
The ULF-25 utilizes advanced Stirling free-piston technology, which provides robust, compressor-free operation for quieter and low-maintenance performance.
The ULF-25 can reach –80°C from 25°C ambient in approximately 3.5 hours when empty, ensuring quick temperature stabilization for sensitive materials.
The ULF-25 includes a lockable lid and built-in high/low temperature alarms to ensure secure management of stored samples.
The ULF-25 has a steady-state power consumption of 75 watts, making it energy efficient for continuous operation.
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