MDF-1156


Features

Refrigeration System Features

  • Sanyo has developed a special mixed refrigerant, replacing chlorofluorocarbons (CFCs) that deplete the ozone layer. This new cooling system virtually eliminates damage to the earth`s environment.
  • Specially designed compressor and cascade refrigeration system for an ultra-low temperatures of -152°C
  • A highly efficient, exclusive compressor has been specially developed and incorporated in the freezing unit.
  • A refrigeration circuit with Sanyo`s original cascade refrigeration system enhances reliability of long-term preservation.


Advanced Control Features

  • Microprocessor temperature control with LED display allows accurate temperature control
  • Accurate temperature setting, confirmation and operation are managed through microprocessor temperature control with a LED display.
  • This model maintains inner cabinet temperature safely below the -130°C recrystallization point for pure water.
  • This low temperature provides an ideal preservation environment for long-term storage.


Oil Separator

  • A high-efficiency oil separator creates stable ultra-low temperature environments.
  • Compressors continuously repeat highly compressed operations, so lubricant oil is essential to prevent abrasion and seizure. But when lubricant oil circulates in the refrigeration circuit, piping becomes clogged and results in compressor damage.
  • Incorporating an exclusive high-efficiency oil separator, the SANYO cryogenic freezer effectively separates lubricant oil from the refrigerant, offering a stable ultra-low temperature environment.


Cabinet Insulation

A special foamed-in-place polyurethane insulation material offers maximum cabinet protection for operating efficiency and stored product safety.

  • The temperature difference between the inside and outside of the freezer can reach a maximum of 150°C.
  • In the cryogenic range below - 100°C, ordinary foamed-in-place polyurethane insulating material can become cracked and warped.
  • Specially designed to withstand low temperatures, SANYO foamed-in-place polyurethane insulation is 6.7"" (170mm) thick and highly resistant to extreme temperature differences, thus helping maintain inner temperature stability.


Control, Alarm and Monitoring

Multiple alarm and safety devices are included to protect valuable samples.

  • Microprocessor-controlled filter-clogged check function protects the refrigeration circuit.
  • High temperature warning equipment automatically indicates when the temperature deviates 10°C from the set temperature.
  • The power failure alarm lamp and buzzer are activated in case of power failure or irregular temperature increase.
  • A remote alarm contact is equipped.
  • The unit is also equipped with an auxiliary back-up system for liquid nitrogen that works for approximate 8-12 consecutive hours.


Cabinet Design

The inner cabinet configuration is easy to use and accommodates standard 2"" and 3"" high boxes in vertical racks.

All cabinets include

  • 1 set of keys,
  • 2 rubber caps,
  • 1 inside lid,
  • 1 defrost spatula,
  • connecting pipe for back-up system,
  • 1 battery


Ideal Alternative to LN2 Storage

Compared to liquid nitrogen systems, SANYO MDF-1156/1156ATN offers the following advantages:

  • Lower running cost
  • Easy maintenance
  • No occurrence of contamination