Portable Ultra-Low Temperature Medical Freezer

Portable Ultra-Low Temperature Medical Freezer

Portable −86 °C Cryogenic Freezer for Medical and Research Applications

Cryogenic Equipment Portable Cryogenic Medical Freezer PRODUCTS

−86 °C Medical Freezer Biological Sample Freezer Cold Chain Medical Freezer Cryogenic Storage Unit Laboratory Cryogenic Equipment Pharmaceutical Freezer Portable Ultra‑Low Temperature Freezer Research Portable Freezer Vaccine Freezer

The Portable Ultra‑Low Temperature Medical Freezer (−86 °C Class) is a specialized cryogenic storage unit designed for the safe preservation and transport of biological samples, vaccines, pharmaceuticals, and medical research materials. Engineered with advanced compressor technology, high‑density insulation, and precise digital controls, it maintains stable ultra‑low temperatures down to −86 °C. Compact and portable, the freezer is equipped with secure locking systems, ergonomic handles, and energy‑efficient operation, making it ideal for hospitals, laboratories, research centers, and field applications requiring reliable cold chain management.

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Product Overview

The portable ultra-low temperature medical freezer is a compact, high-performance cooling solution based on free-piston Stirling refrigeration technology. It combines powerful ultra-low temperature capability with excellent portability. Designed for the storage and transport of temperature-sensitive materials such as vaccines, biological products, and research samples, the freezer ensures cold-chain integrity and safety across laboratory, clinical, and field applications.

Operating Principle

The system uses free-piston Stirling cooling technology with high-purity helium as the refrigerant. Efficient reciprocating thermodynamic cycles generate stable ultra-low temperatures, while a high-performance thermal transfer fluid ensures effective heat removal. Integrated high-precision temperature sensors and an intelligent control system continuously monitor and regulate the internal temperature, maintaining minimal temperature fluctuation and reliable long-term stability.

Key Features

Wide adjustable temperature range to meet various refrigeration and freezing requirements
High-precision temperature control with excellent stability and minimal fluctuation
Energy-efficient design that delivers strong cooling performance even at ambient temperatures
Compact size and lightweight construction for easy transport and mobility
Low vibration and low noise operation, suitable for medical and laboratory environments
Uses high-purity helium refrigerant for safe and environmentally friendly operation
Supports multiple power supply options for enhanced operational flexibility

Application Areas

Ultra-low temperature temporary storage of samples and reference materials in scientific research
Storage and transportation of vaccines, biological products, and clinical samples in medical applications
Life science cold-chain research and on-site experimental use
Ground testing and pre-conditioning for aerospace and space exploration projects
Industrial low-temperature process preparation, reliability testing, and quality control sample storage

Item	DF-4525	DF-6025	DF-8625	DF-0225
Storage Volume	25L
Electric Power	100V AC to 240V AC; 50Hz, 60Hz; 12V DC to 24V DC
Maximum Power	100W (0.5A@220V, 4.6A@24V)
Cooling Engine	Free-piston Stirling Cooler
Refrigerant	Helium (He)
Heat Transport System	Gravity Driven Thermosiphon
Temperature Range	18℃ to -45℃	18℃ to -60℃	18℃ to -86℃	2℃ to 8℃
Environmental Conditions	Non-corrosive, Non-flammable, Non-explosive; Altitude up to 2000m (Temperature 5℃ to 35℃, max relative humidity 80%)
Performance Data	Ambient temperature 25℃; Empty Cabinet takes 1.5 hours from 25℃ to -45℃	Ambient temperature 25℃; Empty Cabinet takes 2.5 hours from 25℃ to -60℃	Ambient temperature 25℃; Empty Cabinet takes 3.5 hours from 25℃ to -80℃	Ambient temperature 25℃; Empty Cabinet takes 0.5 hours from 25℃ to 2℃
Temperature Control Capability	Target Temperature ±1℃	Target Temperature ±1℃	Target Temperature ±2℃	Target Temperature ±1℃
Steady State Energy Consumption	30W	40W	75W	15W
Insulation Material	High-performance polyurethane foam
Noise	<50dB	<55dB	<55dB	<50dB
Control Sensor	One RTD (PT100 Class B), Precision ±0.3℃
Security	Lockable lid
Temperature Setpoint	±10℃
Defrost Method	Manual
Certification	CE/EMC, CE/LVD, CQC
Interior(LWD)	300250300mm
Exterior(LWD)	616392455mm
Net Weight, Empty	17.5KG
Shipping(LWD)	710480530 mm
Shipping Weight	21KG