Effective capacity
Temperature range
-20℃ to -30℃


Large-Capacity Biomedical Freezer with Direct Cooling and Manual Defrost

Stable temperature control

The MDF-U731M provides precise and uniform storage temperatures regardless of ambient conditions through microprocessor temperature control.

Energy-saving operation

The specially designed compressor results in an energy-saving medical freezer with superior cooling and quiet operation.

Improved security

Standard door lock and independent padlock ensure extra security.
(*Padlock not supplied)

Sturdy cabinet construction with superior insulation

The integral foamed cabinet structure is extra strong and prevents cold air loss.

Manual defrost

Manual defrost freezers provide stable temperature control and do not exhibit
the transient temperature increases that can be associated with auto-defrost type freezers. The MDF-U731M is therefore ideal for storing your important, temperature-sensitive samples.

Movable wire shelves allow free position adjustment

Capacity 690L, -30°C Direct Cooling System.

  • Direct cooling and manual def.
  • Large capacity
  • Adjustable wire shelves
  • Alarm and safety functions

Product Photos


Model MDF-U731M
External Dimensions 770 x 830 x 1955 (mm) / 30.3 x 32.7 x 77.0 (inch)
Internal Dimensions 650 x 700 x 1520 (mm) / 25.6 x 27.6 x 59.8 (inch)
Effective Capacity 690 liters (24.4 cu.ft.)
External Cabinet Painted steel
Internal Cabinet Painted steel
Door Painted steel
Insulation Rigid polyurethane foamed in-place
Shelves 4 adjustable wire shelves (50 kg / 110 lbs.)
Access Ports ø 30mm, 2 locations (left and top)
Casters 4 casters with 2 adjustable feet
Net Weight 152 kg (335 lbs.)
Compressor Hermetic type (400 W)
Refrigerant HFC
Defrosting Manual defrost
Alarms High / Low temperature alarm, Power failure alarm, Door alarm, Compressor temperature alarm, Self-diagnosis function, Remote alarm contact (DC30V, 2A), Memory backup
Accessories 1 scraper, 1 set of key, 2 large & 2 small nylon clips (for temperature recorder)
  • *Cooling performance is indicated by the temperature reached at the center of the freezer (at ambient temperature of 30°C with no load). In order to use the freezer at a stable temperature for a long time, it is recommended that the temperature be set to at least 5°C higher than the indicated lowest temperature. In addition, depending on the usage conditions, it may not be possible to reach the indicated lowest temperature.
  • Caution: Panasonic guarantees the product under certain warranty conditions. Panasonic in no way shall be responsible for any loss of content or damage to content.
  • •Appearance and specifications are subject to change without notice.
  • *1 Exterior dimensions of main cabinet only - see dimension drawings showing handles and other external projections.


MDF-U731M Price Upon Inquiry. Please contact your local dealers.


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