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Delivery time: around 1 month (checked with us for details)


  • Intelligent control system.
  • The new generation of ultra-low temperature refrigeration system can ensure fast refrigeration and was awarded with the Second Prize under State Technological Invention Award.
  • Imported high-efficiency compressor + separated evaporator + composite heat exchanger +optimized fractional condensation & separation system + high-efficiency thermal insulation.
  • System can save energy and reduce power consumption of the freezer by 40%.
  • Low-noise direct cooling circuit + suspension frame & sound absorbing compartment & low-noise fan can reduce noise generated by the entire freezer to the largest extent.


Scope of Application

This Intelligent  Control System  Ultra low Energy saving freezer can be used as laboratory freezer, ultra low medical freezer and deep freezer is suitable for applying in hospitals, health and disease prevention systems, colleges and universities, research institutions, the electronic industry, laboratories in colleges & universities, biological engineering, and more.

DW-HL778SA is the current hot ultra-low temperature freezer for COVID-19 vaccine storage

-40~-86℃ Intelligent Touch Screen Ultra Low Energy Saving Freezer DW-HL778SA

  • Model DW-HL778SA
    Cabinet Type Upright
    Capacity(L) 778
    Internal Size(W*D*H)mm 865*696*1286
    External Size(W*D*H)mm 1205*1025*1955
    Package Size(W*D*H)mm 1320*1155*2171
    NW/GW(Kgs) 365/455(wood packing)


    Temperature Range -40~-86℃
    Ambient Temperature 16-32℃
    Cooling Performance -86℃
    Climate Class N
    Controller Microprocessor
    Display HD Intelligent Touch screen


    Compressor 2pcs
    Cooling Method Direct Cooling
    Defrost Mode Manual
    Refrigerant Mixture gas
    Insulation Thickness(mm) 130


    External Material Cold rolled steel sheet
    Inner Material Galvanized steel sheet/Stainless steel
    Shelves 3(stainless steel)
    Door Lock with Key Yes
    Padlock Yes
    Access Port 3pcs. Ø 25 mm
    Casters 4+(2 leveling feet)
    Data Logging/Interval/Recording Time USB/Record every 5 minute/ 10 years
    Backup Battery Yes


    Temperature High/Low temperature,High ambient temperature
    Electrical Power failure,Low battery

    Sensor failure,Main board communication error,Condenser overheating alarm,Door ajar


    Standard Remote alarm contact,RS485
    Options Chart recorder, CO2 backup system
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