Meling -164℃ cryogenic freezer DW-ZW128 deep freezer has a unique, high-efficient and recycling cooling system, a winner of second prize in National Technology and Invention Award. With DW-ZW128, the company becomes the superior leader in the same industry that can produce equipment the lowest temperature to -164℃ for mass production.

Targeted Refrigeration

Unique, high-efficient and recycling cooling system, a winner of second prize in National Technology and Invention Award.

Extremely Low Temperature

With DW-ZW128, the company becomes the superior leader in the same industry that can produce equipment with the lowest temperature to -164℃ for mass production.

Three-dimensional Thermal Insulation

The VIP vacuum thermal insulation plate can lock cool air inside the cabinet and guarantee thermal insulation effect.

Refrigeration System

The single-pole lubrication compressor refrigeration technology has improved refrigeration capacity; International famous brand compressor, enabling fast refrigeration.

High-precision Temperature Control System

The high-precision microcomputer temperature control system and platinum resistor temperature sensors enable users to set temperature inside the cabinet within a range from -120 to -164℃(DW-ZW128); digital temperature display, the running status is clearly displayed.

• The well-developed security system with multiple audible & visual alarm functions: high/ low temperature alarm, power failure alarm, high/low voltage alarm, sensor failure alarm, low battery alarm, condenser heat dissipation alarm, system failure alarm etc. to ensure the storage sample safety.
• The turn-on delay and stopping interval protection function can ensure reliable operation.
• The keyboard lock function and password protection function can prevent any adjustment of operating parameters without permission
• Environmental protective refrigerant invented by Chinese Academy of Science(CAS) , unique refrigeration circuit with Chinese patent refrigeration technology of single-stage oil slide compressor, powerful cooling ability , famous international compressor,
• Unique secondary foaming technology, super thick VIP insulation which greatly improves the insulation effect； VIP vacuum insulation board, tightly locks the cold air to ensure the great insulation effect
• Optional single type upright racks ; optional alarm lamp, voltage compensation, remote alarm and liquid N2 backup system
• Chest type with lid to be opened from the top, assisting balanced hinges to make it easily for casters to be fixed for easy movement and fixation

Mapping

Scope of Application

Application to scientific research, low temperature test of special materials, freeze  skins, DNA/RNA, bones, bacteria, sperm and biological products etc. Suitable for use in  hospitals, sanitation and anti-epidemic stations, biological engineering, laboratories in colleges & universities, military enterprises and so on.