Ultra Low Temperature (ULT) Freezer -86°C ULF-25

Ultra Low Temperature (ULT) Freezer -86°C ULF-25

Name: Ultra Low Temperature (ULT) Freezer -86°C ULF-25
Brand: Labotemp
SKU: ULF-25
Rating: 4.5 (855 reviews)

Labotemp Portable Ultra Low Temperature Freezer ULF-25 is a high-performance -86°C ULT freezer designed for critical low-temperature storage and transport. Using advanced free-piston Stirling cooling technology, this ultra low freezer delivers fast temperature pull-down, precise stability, and reliable operation in demanding environments. With a compact 25-liter capacity and a wide operating range from +18°C to -86°C, it is ideal as a low temperature freezer for laboratories, pharmaceutical cold-chain logistics, biological sample storage, and field research.

Engineered for portability and efficiency, the ULF-25 works as a small laboratory freezer with both AC and DC power support, making it suitable for fixed labs and mobile applications. It maintains temperature uniformity within ±1°C, ensuring sample integrity at all times. As a compact ultra low deep freezer, it is widely used by research institutes, hospitals, and life science laboratories seeking dependable ultra low temperature laboratory freezers with low maintenance needs.

Why Choose Labotemp Ultra Low Temperature Freezer ULF-25?

✓ Advanced Stirling Cooling Technology: High-efficiency, vibration-free cooling with rapid temperature pull-down and low energy consumption.
✓ Portable & Versatile Power Options: Supports AC and DC power, making it suitable for laboratories, transport, and field operations.
✓ Trusted Ultra Low Temperature Freezer Manufacturers: Labotemp delivers reliable, compact, and high-accuracy ultra low lab freezer solutions for professional applications.

$3033

Temperature Range	+18°C to –86°C
Volume	25 L
Power Supply	100V AC–240V AC, 50/60Hz; 12V DC–24V DC
Maximum Power / Current	100 W (0.5A @220V, 4.6A @24V)
Refrigerant	Helium (He)
Heat Transport System	Gravity-driven thermosiphon
Cooling Engine	Free Piston Stirling Cooler
Temperature Control Accuracy	Target temperature ±2°C
Performance (25°C ambient, empty)	~3.5 hours from 25°C to –80°C
Steady-State Power Consumption	75 W
Insulation	High-performance vacuum insulated panels + polyurethane foam
Noise Level	<55 dB
Control Sensor	RTD (PT100 Class B), precision ±0.3
Alarm	High/low temperature alarm (setpoint ±10°C)
Security	Lockable lid
Defrost Method	Manual
Environmental Conditions	Non-corrosive, non-flammable, non-explosive; altitude ≤2000 m
Interior Dimensions (L×W×D)	300×250×300 mm
Exterior Dimensions (L×W×D)	616×392×455 mm
Net Weight	17.5 kg
Shipping Dimensions (L×W×D)	710×480×530 mm
Shipping Weight	21 kg

➤ Dual Power AC/DC
➤ Ultra-low temperature cooling down to –86°C
➤ Portable and compact design with lightweight construction
➤ Free-piston Stirling cooling technology
➤ Stable temperature control with minimal fluctuations
➤ Low noise operation suitable for laboratory and field use
➤ Suitable for transportation and mobile cold-chain applications

➤ Laboratory ultra-low temperature storage, biological sample storage and transportation, pharmaceutical cold-chain logistics, clinical medicine and life-science research, industrial extreme-environment simulation testing, and field research including mobile labs and outdoor applications
➤

➤ Vaccine holder
➤ Temperature recorder with network

Dual Power AC/DC
Ultra-low temperature cooling down to –86°C
Portable and compact design with lightweight construction
Free-piston Stirling cooling technology
Stable temperature control with minimal fluctuations
Low noise operation suitable for laboratory and field use
Suitable for transportation and mobile cold-chain applications

Vaccine holder
Temperature recorder with network

Laboratory ultra-low temperature storage, biological sample storage and transportation, pharmaceutical cold-chain logistics, clinical medicine and life-science research, industrial extreme-environment simulation testing, and field research including mobile labs and outdoor applications.