MDF-U500VXC Twin Guard
MDF-U700VXC_MonitorMDF-U700VXC-handleMDf-U700VXC-open

Twin Guard® Series

The Panasonic Twin Guard® Series satisfies an industry demand for safe, long-term storage for the most high-valued materials. Two, independent refrigeration systems, combined with optional liquid nitrogen or liquid CO2 back-up systems, offer a circle of protection unmatched in the marketplace. Developed for use with conventional inventory racks and boxes, the Twin Guard Series is ideal for storage of sensitive stem cells, embryos, cell lines, and other rare specimens

    Main Features:

  • Dual Compressors for Added Security
  • VIP PLUS Insulation
  • LN2 Back up
  • Energy Savings ECO-Mode
  • Superior Temperature Uniformity
  • Improved Storage Capacity
  • Alarms and Monitoring

twin-guard-ftreDual Compressor Technology – Protection for the Unexpected

Traditional ultra-low freezers rely on a single compressor system. If this system fails, the freezer and your samples are out of luck. Liquid nitrogen or carbon dioxide backups only sustain temperatures for approximately 7 hours, and require routine re-filling. With Twin Guard® Ultra-Low freezers a second, independent compressor system is housed within the interior of the freezer. The two compressors work together in normal mode, but if one fails the other can maintain ultra-low temperatures for an extended period of time. The Panasonic designed Cool Safe refrigeration compressors feature innovative refrigerant feedback processes to reduce inner temperature, thereby extending compressor life and minimizing heat output.

Superior Temperature Uniformity for Long-Term Storage

The Panasonic Twin Guard Series satisfies an industry demand for safe, long-term storage for the most high-valued materials. The dual independent refrigeration systems, combined with optional liquid nitrogen or liquid CO2 back-up systems, offer a circle of protection unmatched in the marketplace. The technology avoids conventional cascade refrigeration technology by using two completely independent compressor, autocascade cooling systems, each capable of maintaining ultra-low temperatures. Either circuit will maintain -65°C. In the unlikely event of a compressor failure in one system, the remaining system will automatically maintain a minimum of -65°C for an indefinite period. The evaporator coils embedded in the patented, high-tech, VIP Plus vacuum-insulated thin-wall cabinet are strategically oriented to deliver the best temperature uniformity at all shelf levels. In the event of a facility power failure, with optional carbon dioxide and liquid nitrogen back-up systems installed, the freezer will maintain -65°C storage temperature for up to 8 hours.

twin-guard-product-descriptionEnergy Efficient Design Inside and Out

Energy Saving ECO-Mode: The Panasonic Twin Guard Ultra-Low Freezer can be set for Normal or EcoMode operation, depending on ambient temperature and load. EcoMode is recommended for 90-95% of applications. Although both refrigeration systems are completely independent, EcoMode uses the unique dual compressor system to establish an overlapping cycle to significantly reduce energy consumption while optimizing interior uniformity from top-to-bottom and front-to-back for protection of high value materials. The overlapping system maintains temperatures at -86°C and reduces energy consumption by as much as 15% while maintaining superior temperature uniformity. Furthermore, Twin Guard® Series freezers offer large storage capacity with a minimal footprint. Combined with the energy efficiency of each unit, you’ll be utilizing significantly less power per box stored.

 
ModelMDF-U500VXC-PA
TEMPERATURE SETPOINT RANGE-50°C to -86°C-86 DUAL°COOL (BOTH COMPRESSORS)-86°C (ambient temperature 30°C)
SINGLE SYSTEM COOLING PERFORMANCE (INDEFINITE)> -65°C (ambient temperature 30°C)CABINET INSULATIONPatented VIP® PLUS composite wall, energy savings.
EXTERIOR DIMENSIONS (W X F-B X H)39.8” x 34.3” x 79.1” (1010 x 870 x 2010 mm)INTERIOR DIMENSIONS (W X F-B X H)INTERIOR DIMENSIONS (W X F-B X H)
ENERGY CONSUMPTION19.6 kWh/Day (-800C setpoint, 200C ambient temperature)VOLUME25.7 cu.ft. (728 liters)
SHELVES3,adjustable, stainless steel (4 compartments)VACUUM RELEASE PORTStandard, Manual
AREA FOOTPRINT (NOMINAL)9.51 sq.ft. (0.88 m2)STORAGE2”/ 51 mm boxes: 576 3”/76 mm boxes: 384
STORAGE (RACKS) FOR 2” FIBERBOARD BOXES24 ( When each rack is 6 boxes high x 4 boxes deep)STORAGE (RACKS) FOR 3” FIBERBOARD BOXES24 ( When each rack is 3 boxes high x 4 boxes deep)
ELECTRICAL, 60HZ208/230V NEMA 6-15DATA MANAGEMENTInternal data log with log file memory.
WEIGHT383 kgALARMSHigh/Low temperature, door ajar, power failure, remote alarm contact, part replacement notification, fan motor lock, individual cooling circuit check, LabAlert - Optional.
ACCESS PORTDiameter = 0.5”/17mm; 3 locationsCONTROLLERPanasonic microprocessor-based, doormounted control with alphanumeric LCD information center

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