Purpose-Built Cold Chain Storage
PHCbi brand ULT freezers are engineered from the inside out to create, maintain, and restore precise temperatures necessary for long term storage of valuable products. Our purpose-built ultra-low temperature freezers are designed for temperature uniformity and stability not commonly found in household or commercial cabinets.
The MDF-DU702VXC-PA ultra-low freezer provides reliable temperatures as low as -80°C. PHCbi brand TwinGuard ultra-low temperature freezers provide a wider circle of specimen protection through redundant cooling systems based on patented auto-cascade refrigeration technology.
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.
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-DU702VXC-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.
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