800-521-0754

Request Information

CLOSE

PHCbi TwinGuard® Series 18.6 Cu. Ft. Ultra-Low Temp Freezer (-86°C) | 220V | Capacity: 384 x 2″ Boxes

Item#: MDF-DU502VXC-PA
The TwinGuard® Series ULT Freezers from PHCbi offer innovative design with two independent systems, patented VIP® PLUS vacuum panel maintaining strict temperature uniformity, and ergonomic design with one-handed outer and inner door latches, all together providing exceptional security for your irreplaceable biological samples. Their patented Twin Guard technology is comprised of two independent auto-cascade refrigeration systems housed within a single cabinet, designed to maintain a temperature of -70°C in the event of a failure. These ultra-low temp freezers maximize storage capacity within a space-saving footprint, therefore keeping overall operating costs to a minimum. In conjunction with optional liquid nitrogen or liquid CO2 back-up systems, the MDF-DU502VXC-PA ULT Freezer offers a long-term storage solution for repositories, highly secure BSL 3/4 labs, GMP facilities, hospitals, clinics, and medical research facilities. Click here to view freezer rack configurations for this model
FREE SHIPPING ON ALL PHCBI BRAND EQUIPMENT
For a limited time only get FREE Dock-to-Dock freight on all PHCbi equipment. Contact us for a proposal
Request a Quote
  • Volume (cu.ft. | liters): 18.6 I 528
  • Area Footprint (nominal): 7.49 ft2 (0.70 m2)
  • External Dimensions (W × D × H) (inches | mm): 31.1 × 34.7 × 78.5 I 790 × 882 × 1993
  • Internal Dimensions (W × D × H) (inches | mm): 24.8 × 23.6 × 55.1 I 630 × 600 × 1400
  • Net Weight (lbs | kg): 648 I 294
  • Storage Capacity:
    • 384 standard 2” boxes (38,400 x 2ml vials)
    • 256 standard 3” boxes (25,600 x 4ml vials)
    • 16 Inventory Racks for 2" boxes
    • 16 Inventory Racks for 3" boxes
  • Temperature Control Range: -50°C to -86°C in 1° increments (center of chamber, ambient temperature 30°C, no load)
  • Insulation: Foamed-in-place and VIP Plus vacuum insulated panels: 3.1 in (80 mm)
  • Shelves: Stainless steel, 3 shelves (adjustable); Inner dimensions: 24.2" W x 21.0" D (848 x 533 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)
  • Casters: 4 (2 levelling feet on front base)
  • Compressor: (2) 1100 W
  • Evaporator: Tube on sheet type
  • Refrigerant: Mixed HC/HFC blended
  • 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
  • Sound Level: 52 dB[A] (background noise 20 dB[A])
  • Warranty: 5 years parts and labor
  • Ultimate Sample Protection: The 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 and extra layer of protection.
  • Superior Temperature Uniformity: Redundant auto-cascade refrigeration systems unique to TwinGuard Series achieve superior temperature stability during initial startup and maintain uniformity following routine door openings and throughout the steady state.
  • Maximized Storage Capacity for Efficient Use of Lab Floor Space: The cabinet and door insulation of TwinGuard Series ultra-low temperature freezers, are constructed using patented VIP Plus thin-profile vacuum insulation to maximize storage capacity and optimize use of floor space. This thin-wall composite insulation includes narrow-profile vacuum panel layers supported by foamed-in-place insulation. The highly efficient insulation also improves temperature stability following frequent door opening and extends warm-up times during power outages.
  • 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: TwinGuard ultra-low temperature freezers are 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. An ECO mode provides additional energy savings.
  • 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 series freezer model MDF-DU502VXC-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.

Optional Accessories (sold separately)

  • Freezer Racks and Inventory Systems.
  • MDF-UB7-PW: CO2 backup system for the MDF- 502VXC-PA.
  • MDF502SLF: Additional Shelf For MDF-DU502VXC.
  • MDF-5ID4-PW: Inner Door Kit with 4 Smaller Doors for MDF-DU502VXC (1 set per ULT).
  • MDF-5ID5-PW: Inner Door Kit with 5 Smaller Doors for MDF-DU502VXC (1 set per ULT)- Additional Shelf needed. ORDER WITH MDF502SLF TO GET EXTRA SHELF (not included).

PHCbi TwinGuard Ultra Low Temp Freezer MDF-DU502VXC-PA Spec Sheet

Download

PHCbi TwinGuard ULT Freezers Overview Brochure

Download

Preventative Maintenance for Your Ultra-Low Temp Freezer

Download

PHCbi Ultra Low Temp Freezers Warranty Statement

Download

PHCbi Laboratory Equipment Validation Services

Download

PHCBI Covid-19 Vaccine Storage Solutions Flyer

Download

PHCbi Ultra Low Temp Freezers Snapshot Brochure

Download

PHCbi Cold Chain Ultra-Low and Cryogenic Freezer Portfolio

Download

PHCbi TwinGuard® Series ULT Freezer Operations Manual

Download

PHCbi TwinGuard® -80°C Ultra-Low Freezers Expand a Circle of Protection


Preventive Maintenance Tips to Maximize Ultra-Low Freezer Performance


How to Safely Unpack the PHCbi Brand VIP ECO Ultra-Low Freezer


Request a Proposal