Product Overview

The METHER MDF-40H305 -40℃ Chest Deep Freezer is a high-performance medical-grade freezer engineered for long-term storage of temperature-sensitive biological materials. With a spacious 305L capacity, this unit is ideal for preserving viruses, germs, erythrocytes, leucocytes, and skin tissues under stable ultra-low temperature conditions.

Designed with an auto-cascade refrigeration system, advanced thermal insulation, and a precision temperature control system, the MDF-40H305 is built to meet the rigorous demands of clinical, laboratory, and scientific research environments.

Key Applications

This unit is suitable for use in:

• Hospitals and medical centers

• Blood banks and donation centers

• Epidemic prevention and disease control institutions

• Research laboratories in biotechnology, life sciences, and pharmaceuticals

• Industrial labs in electronics and chemicals

Designed for storage of:

• Biological samples (viruses, bacteria, RBCs, WBCs)

• Tissue samples and skin (cutis)

• Research reagents and chemical compounds

Core Performance Features

Stable -40℃ Cold Storage

• Reliable temperature control at -40℃

• ±3℃ accuracy for sample protection

• Dixell microprocessor controller with LED display ensures real-time monitoring and control

Auto-Cascade Cooling System

• High-efficiency compressor with CFC-free refrigerant

• Fast cooling performance with simplified structure

• Energy-efficient and easy to maintain

• Pull-down test verified at ambient 25℃

Advanced Thermal Insulation

• Interior structure with multi-zone layout for reduced heat loss

• High-density polyurethane foamed insulation

• Multi-layer sealing design to retain cold air and minimize energy consumption

Audible and Visual Alarm System

• Alerts for:

  • High/low temperature

  • Power failure

  • Sensor error

  • Door ajar

Design and Construction

• Exterior: Anti-corrosion and anti-bacterial color sprayed steel

• Optional Interior: SUS 304 stainless steel chamber

• Lid Design: Hoverable top lid with ergonomic handle and durable hinges

• Security: Buckle with padlock port for restricted access

• Monitoring: Access port included for external temperature sensors

• Mobility: Heavy-duty casters with locking brakes

• Optional Accessories: Stainless steel sample racks

Technical Specifications

• Model: MDF-40H305

• Temperature Range: -40℃

• Capacity: 305 Liters

• Cooling System: Auto-Cascade

• Controller: Dixell Microprocessor + LED Display

• Refrigerant: CFC-free

• Defrost Mode: Manual

• Test Ambient Temp: 25℃

• Alarm Types: 4 (audio and visual)

• Mobility: Castors with brake

• Insulation: Thick PU foamed body

• Material: Cold-rolled steel

Certifications

• ISO 9001

• ISO 13485

• CE Approved