PRODUCT

Ultra-Low Temperature Freezer-DFU(Ultra Safe Freezer)

Features

▪
Implementation of a powerful and stable -90℃ cooling performance through the application of a single-stage Auto cascade two-compressor system
▪
If one compressor fails, the remaining one maintains -80℃ to -65℃ (amb. +25℃/+32℃)
▪
There's no need to turn off the power when exchanging or repairing the compressor
▪
Utilization of Non-CFC special mixed refrigerant
▪
Equipped with a high-performance large-capacity air-cooled condenser and applies aerodynamically designed fan blades
▪
Powerful performance of LBP sealed compressor
▪
Usage of 130mm high-density urethane insulation to minimize heat loss
▪
Corrosion-resistant stainless chamber and 4 internal stainless doors
▪
Triple packing to prevent condensation and loss of cold air
▪
Temperature measurement sensor: Platinum PT-100Ω(Class A 0.15 grade)
▪
Rim Heating system to prevent frost
▪
Temperature data can be saved, controlled, and monitored on a PC via RS-232 Data port and Interface (optional)
▪
Microprocessor control system with a digital temperature display that can be adjusted in 0.1℃ units
▪
Dual password setting function to prevent access and operation by non-administrators
▪
High temperature/low temperature alarm
▪
System to return automatically after a power outage

Technical Specification

Model No. DFU-446UE DFU-558UE DFU-657UE DFU-731UE DFU-800UE DFU-868UE
Main Body Max. Temp. 2 compressor : -90℃
Temp. range Only 1 compressor runs : -80℃ ~ -65℃
Dimensions, mm (OUT) W920 x D915 x H1968 W1070 x D915 x H1918 W1070 x D1005 x H1918 W1070 x D1025 x H2018 W1070 x D1097 x H2018 W1070 x D1166 x H2018
Dimensions, mm (IN) W600 x D620 x H1200 W750 x D620 x H1200 W750 x D730 x H1200 W750 x D750 x H1300 W750 x D820 x H1300 W750 x D891 x H1300
Capacity (Total) 446L 558L 657L 731L 800L 868L
Electronics(AC) 220V 1ph (50/60Hz)
Weight 380Kg 400kg 420Kg 450Kg 470Kg 500Kg
Accessories Sliding Rack 16EA (4 levels 4 rows) 20EA (4 levels 4 rows) 20EA (4 levels 5 rows) 20EA (5 levels 5 rows) 20EA (5 levels 5 rows) 10EA(5 levels 6 rows),
10EA(6 levels 6 rows)
Poly Carbonate Box(2")
Micro tube(81 or 100 Hole)		 256EA 320EA 400EA 500EA 500EA 660EA

Model Code

DFU-558UE

Basic Application
Controller :
LED

DFU-558UT

Optional Application
Controller :
LCD touchscreen