TwinGuard®-86˚C Ultra Low Temperature Upright Freezer MDF-DU302VX-PA

TwinGuard®-86˚C Ultra Low Temperature Upright Freezer MDF-DU302VX-PA

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Ultimate Sample Protection

The dual cool lab freezer model MDF-DU302VX-PA offers the highest level of sample protection. The patented dual cooling system maintains normal temperatures as low as -86°C. Should a service event occur, temperatures will hold at -70°C. Combined with conventional facility liquid CO2 backup systems, the two compressor lab freezer creates a double circle of protection around critical specimens.


Superior Temperature Uniformity

Redundant auto-cascade refrigeration systems unique to TwinGuard Series -80 laboratory freezers achieve superior temperature stability during initial startup and maintain uniformity following routine door openings and throughout the steady state.


Efficient Space Management

The slim profile upright freezer is ideal for personal use where shared, remote or off-site storage of critical samples in not desirable. It requires less space than a standard ultra-low temperature freezer, yet holds up to 240 standard 2" storage boxes in only 6.36 sq.ft. (0.6m3) of floor space.


Intelligent Color LCD Display

Easy to read close-up or from a distance, the high contrast color LCD display allows for easy touchscreen use. The display panel includes comprehensive audible and visual warnings, unit diagnostics, running temperature log and predictive analytics. A USB port makes transferring this logged data to a PC convenient. All performance attributes are displayed and an internal time/temperature log is expressed in graphic form.


Microprocessor Controller and Alarms

The TwinGuard upright freezer model MDF-DU302VX-PA is managed by a microprocessor-based controller that combines security, monitoring, predictive performance and data logging functions into a single display with password protected menu screens.


Energy Efficient

TwinGuard Series freezers are designed and constructed for peak performance and reliability while maintaining efficient operating costs. 


EZlatch Ergonomic Design for Quick Access and Positive Door Closure

The patent pending EZlatch is engineered to tolerate frequent door openings, simplify one-handed access and control frost associated with extreme temperature differentials. The EZlatch, one component of the Advanced Frost Control system, is ergonomically designed to ensure comfortable operation. The Advanced Frost Control system in the TwinGuard upright freezer model MDF-DU302VX-PA combines an additional eight components specially engineered to enhance the performance envelope and ensure sample security, temperature integrity and frost control while extending freezer life.

  • TwinGuard Series


    Panasonic Healthcare TwinGuard Series upright and chest freezers for critical samples provide twice the protection for double the peace of mind. Two independent refrigeration systems offer a circle of protection unmatched in the marketplace. Performance down to -86°C is based on integrated complementary refrigeration circuits, robust cabinet design and intuitive smart controls and monitoring. TwinGuard Series long term storage lab freezer are ideal for safe, long term storage of your most high valued products, such as stem cells, embryos, cell lines, rare specimens and other biological materials.


    The MDF-DU302VX-PA slim profile upright freezer permits installation in small spaces and all the benefits inherent in the Panasonic Healthcare TwinGuard Series.

  • Twice the protection-Double your peace of mind

    The TwinGuard series upright and chest -86°C/-80°C ultra-low temperature freezers from Panasonic Healthcare has the industry's most time-tested redundant cooling systems designed to protect the viability of your biological samples. Ideal for critical preservation applications, TwinGuard's patented cooling engines deliver reliable performance working together, both independently and concurrently, to provide continuity in stored product protection over a range of real world conditions.


    The advanced combination of redundant cooling systems, intuitive electronic controls, on-board monitors and frost-mitigating, ergonomic cabinet design represents more than 50 years in refrigerated sample protection for the life science industry.


    TwinGuard Dual Cool Lab Freezer Performance

    Superior and reliable preservation of your biological samples cannot be compromised for any reason. The primary purpose of a -86°C/-80° ultra-low temperature freezer is to protect a stored biological by achieving and maintaining uniform temperature to assure cell viability, regardless of where samples are stored inside. Panasonic Healthcare TwinGuard Series -86°C/-80°C ultra-low temperature freezers undergo thorough temperature uniformity testing allowing us to provide our customers with temperature uniformity data that upholds our excellent performance.


    Temperature Uniformity Data

    Data featured is for the TwinGuard Series Upright Freezer model MDF-DU702VXC-PA.


    TwinGuard Series -86°C/-80°C chest and upright freezers demonstrate temperature stability in the steady state, quick pull-down on initial startup, fast recovery following a routine door opening, and slow warm-up during a power outage.


    TwinGuard Ultra-low Temperature Freezer Reliability

    While performance is the first test of our product, long-term reliability is essential for protection of your research, peace of mind and return on your investment. The patented TwinGuard dual cool lab freezer system enhances the Panasonic Healthcare reputation for reliability in refrigeration safety and predictive maintenance which is second to none in the world.


    TwinGuard's dual cooling system offers the highest level of sample protection through the use of two independent refrigeration systems that maintain -86°C temperature. The two circuits work together for fast temperature recovery, while the secondary system keeps the temperature at -70°C if a service event occurs. With two independent systems each sustaining ultra-low temperatures, your samples remain safe. Optional CO2 backup provides an extra layer of protection.


    Integrated Access and Frost Mitigation Design

    Opening the door of any ultra-low temperature freezer is not an insignificant event. Because extreme inside/outside temperature differentials often exceed 116°C (212°F), careful planning is encouraged before accessing the interior. To minimize duration of the door or lid opening, users should know the location of stored product inside the freezer before accessing. Such best practices lead to better chamber uniformity, faster recovery of setpoint temperature and longer freezer life.


    The new EZlatch is the centerpiece of a holistic inventory access and frost mitigation system. The simplified one-handed, comfortable operation keeps TwinGuard upright freezers operating at maximum energy efficiency. 


    EZlatch design is available on TwinGuard series freezer models MDF-DU702VXC-PA, MDF-DU502VXC-PA and MDF-DU302VX-PA.

  • Specifications

    EXTERNAL DIMENSIONS 26.4" W x 34.7" D x 72.4" H (670 x 882 x 1840 mm)
    INTERNAL DIMENSIONS 19.3" W x 23.6" D x 48.4" H (490 x 600 x 1230 mm)
    EFFECTIVE CAPACITY 12.7 cu.ft. (360 L)
    INTERNAL DOORS 2 insulated; ABS, with stainless steel frames and positive latches
    INSULATION Foamed-in-place and VIP Plus vacuum insulated panels: 3.1 in (80 mm)
    SHELVES Stainless steel, 3 shelves (adjustable); Inner dimensions: 18.7" W x 20.9" D (475 x 531 mm); Load: 110 lbs (50 kg) per shelf 
    ACCESS PORT 3; upper back wall (back-up system), bottom left (recorder sensor), bottom right (access); Inner diameter: 0.6 in (17 mm)
    NET WEIGHT 496 lbs (225 kg) 
    COMPRESSOR (2) 450 W
    EVAPORATOR Tube on sheet type
    REFRIGERANT Mixed HC/HFC blended
    TEMPERATURE CONTROL RANGE -50°C to -86°C in 1° increments (center of chamber, ambient temperature 30°C, no load)
    ALARMS High temperature, low temperature, power failure, door ajar, remote alarm, battery life, fan motor life, fan lock, cooling circuit abnormality 
    COOLING PERFORMANCE Normal operation: -86°C center of chamber (ambient temp. 30°C, no load); Secondary operation: -70°C center of chamber (ambient temp. 30°C, no load)
    TEMPERATURE CONTROL SYSTEM Microprocessor, touchscreen data entry, password protected
    AREA FOOTPRINT 6.36 ft2 (0.6 m2)
    DATA MANAGEMENT Optional with LabAlert Monitoring System
    SOUND LEVEL 52 dB(A) (background noise 20 dB(A))
    VACUUM RELEASE PORT 2; in door (automatic and manual release), side wall, lower left


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