Antech -86°C DualGuard ULT Freezers


  • Two independent refrigeration systems in one ULT freezer
  • Exceptionally uniform and reliable temperature
  • User-friendly design and low running costs
  • A remote alarm terminal mounted to connect to an external alarm system
  • Standard USB port, capable of storing 10 years data;
  • 2.5cm access ports enable the inexpedient probes
  • 4 upright models available


The ANTECH -86℃ DualGuard ULT freezer is designed with two independent refrigerant systems to reassure the valuable samples storing in security and reliable temperature. If one of the compressors partially fails, the other can continue to maintain freezer temperature at -80°C.

DualGuard ULT freezers are also designed to maximize storage samples capacity. With 3 upright models available with different capacities can meet most of customers' requirements.


Dual Cooling System

The Dual Cooling System Ultra-low temperature Freezer avoids conventional cascade refrigeration technology by using two completely independent one-compressor, auto-cascade cooling systems, each capable of maintaining ultra-low temperatures.


Each refrigeration circuit includes a closed-loop cold-wall evaporator configured in parallel to the other.


Conventional ULT freezers with single or cascade refrigeration circuits cannot work when one compressor fails.


The -86℃ ULT freezer is specially designed for a stable ultra-low temperature storage condition, to store germs, erythrocytes, leucocytes, viruses and many other biological materials. Installations can be found in research institutes, pharmacy industry, clinical labs, blood banks and laboratories in electronic & chemical plants

Technical Specification
  Product Code SQ-90013DG SQ-90014DG SQ-90015DG SQ-90016DG
  Model MDF-86U458D MDF-86U588D MDF-86U728D MDF-86U838D
Technical Data Type Upright Upright Upright Upright
Capacity (L/cu ft) 408 / 14.41 588 / 20.76 728 / 25.70 838 / 29.59
Inner Doors 2 pcs, SUS304 forming door
Shelves 3 pcs, SUS304
Inner Chamber Material SUS304
Cooling Type Direct Cooling
Refrigerant Hydrocarbon, CFC Free, Non greehouse 
Noise Level (dB) 50 51 52 53
Temperature Ambient Temperature (°C) 10 - 32°C
Temperature Range (°C) -40°C to -86°C
Cooling & Controller Cooling System Two independent cooling system
Compressor Board SECOP
Sensor PT 100
Controller Microprocessor
Display & Control 7" Touch Screen
Electronic Parameter Voltage Frequency 220V / 50/60Hz
Power (W) 845 815 935 890
Power Consumption (kWh/24h) 11.6 12 13.28 13.86
Vials Load 2ml Vials (Pcs) 28800 40000 50000 60000
Size & Weight Internal (WxDxH) mm 606x575x1180 606×738×1310 963×558×1350 894×718×1310
External (WxDxH) mm 891x992x1945 891×1155×1995 1248×975×1995 1179×1135×1995
Packing (WxDxH) mm 954x955x2094 970×1138×2185 1320×970×2185 1212×1098×2185
Net/Gross weight (kg) 292/317 335/363.5 380/400 397/430
Alarm System High / Low Temperature
Power Failure
Abnormal Voltage
Sensor Error
Filter Screen Check
Controller Failure
Low Battery
Condenser Malfunction
High Ambient Temperature
Door Ajar
Accessories Caster Wheels 4 4 4 4
Test Hole / Diameter 1/25mm 1/25mm 1/25mm 1/25mm
Remote Alarm Contact Yes Yes Yes Yes
USB Port Yes Yes Yes Yes
Temperature Recorder Optional Optional Optional Optional
Freezer Racks Optional Optional Optional Optional
CO2 Backup System Optional Optional Optional Optional
LN2 Backup System Optional Optional Optional Optional
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Product Code Description List Price Offer Price
SQ-90013DG Antech ULT Freezer, DualGuard, Upright, 408L capacity
SQ-90014DG Antech ULT Freezer, DualGuard, Upright, 588L capacity
SQ-90015DG Antech ULT Freezer, DualGuard, Upright, 728L capacity
SQ-90016DG Antech ULT Freezer, DualGuard, Upright, 838L capacity
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