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FrostLess ULT Freezers (-86°C)

MDF-DU500ZH-PE

Volume
525 Liter
Temperature Control Range
-40 to -86 °C

Features

Cost-saving, environmentally friendly sample storage with reduced frost accumulation

The MDF-DU500ZH-PE FrostLess -86°C Upright Freezer with reduced frost build-up on the inner doors. Provides optimum sample storage capacity within a compact footprint combined with natural refrigerants to minimise energy consumption, reduce environmental impact and save money.

FrostLess Technology

A new thermal insulation design for the inner doors suppresses frost growth on the inner door surface, resulting in reduced frequently manual labor and time to defrost by 60%.

Inventer Compressor

While conventional freezers use single speed compressors which cycle on and off, the MDF-DU500ZH-PE freezer contains inverter compressor that can run at different speeds to maximise cooling performance under different conditions. Combined with hydrocarbon refrigerants, there compressors ensure the most efficient energy use and reduced heat output.


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Reducing Frost Growth

This new improvement of the packing and insulation materials, and the heated pipe frame of the inner door gasket results in reduced manual labor and time along with less defrosting frequency required. Moreover, suppressing frost growth on areas which may cause damage and deterio-ration of freezer components.

New Thermal Insulation

The new design of the inner doors with VIP panels and the new thermal insulation technology of the frame will suppress frost growth.
Environment Condition: Temp./Humidity: 30˚C/80%. Door Opening/Closing: 150 times, 30 sec/n. Period: 30 days. No Load.

Product Photos

Specfications

External Dimensions (W x D x H) 790 x 882 x 1993 mm
Internal Dimensions (W x D x H) 630 x 607 x 1400 mm
Volume 525 Liter
Net Weight 248 kg
Capacity (Aluminium Racks 2” Boxes) 352
Cooling Performance 86 °C
Temperature Setting Range -40 °C to -90 °C
Temperature Control Range -40 °C to -86 °C
Controller Microcomputer control system
Display LCD Touch Screen
Temperature Sensor Pt 1,000
Refrigeration System Cascade
Compressors 2 x 920 w
Refrigerant HC
Insulation Material PUF/VIP Plus
Insulation Thickness 80 mm
Exterior Material Painted Steel
Interior Material Painted Steel
Outer Doors/Lid 1
Outer Door Lock Yes
Inner Doors/Lid 2
Shelves 2 Adjustable, 1 dedicated
Max. Load - Per Shelf 50 kg
Max. Load - Total 515 kg
Access Port 3
Access Port Position Back x1, Bottom x2
Access Port Diameter 17 mm
Casters 4 [2 leveling feet]
Power Failure V-B-R
High Temperature V-B-R
Low Temperature V-B-R
Filter V
Door Open V-B
Power Supply 220/230/240
Frequency 50 Hz
Noise Level 45 dB[A]

Accessories

Options
Liquid CO2 Back-up MDF-UB7-PW
Temperature Records  
- Circular Type MTR-G85C-PE
- Chart paper RP-85-PW
- Ink pen PG-R-PW
Continuous strip type MTR-85H-PW
- Chart paper RP-85-PW
- Ink pen DF-38F-PW
- Recorder housing MDF-S3085-PW

 

 

Dimensions

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