Specialized, advanced bio-medical research requires sample and specimen storage in ultra low temperature (ULT) freezers, typically rated at or below minus-eighty degrees Celsius. Because ultra-low temperature freezers are essential to the quality, integrity, and validity of the research, principal investigators cannot compromise quality for the sake of saving a few dollars; yet prudent laboratory management and the future of the research often depend on the principal investigator's sound financial management. If you are managing a tight laboratory budget, consider the practical and economic benefits of the newest generation of ultra-low temperature freezers.
Consider specifications and capacity in ultra low temperature freezers.
The latest ultra low temperature freezers maximize storage capacity in minimal overall space. Advances in composite technology have enable development of extremely effective light-weight insulation, so that a half-inch insulating pad now does the work that used to require several inches of old-fashioned insulation. Similarly, high-efficiency motors quietly, precisely cool twice the space of older machines that took three times the space and weighed three times as much. Therefore, in the same space you currently dedicate to your refrigerated storage, you now may increase your capacity up to 40%. Fully automated and computer compatible, the best units allow you to set your temperatures to the tenth of a degree, provide constant digital read-outs, and record temperature data directly to your PC. Almost all new units allow you to configure your storage space precisely to your specifications, and their door designs promote easy access.
Consider design in ultra low temperature freezers.
Simple design elements make major differences in a unit's capacity, efficiency, and cost. Two units the same size may perform very differently because one has two or three drawers while the other has a single large door and movable shelves. Separate drawers offer the advantage of individual and independent temperature settings, and they may facilitate organization of samples and specimens; but they are heavier and may turn-out less efficient in everyday use. And do not overlook the simplest design elements: just as in your refrigerator and freezer at home, so in your laboratory-the location and swing of your freezer's doors determine how easily you and your associates access your specimens. In other words, check the hinges' locations, or order a model that lets you set the hinges to your requirements.
Similarly, placement of the cooling unit has tremendous impact on the cost of operating an ultra low temperature freezer: If the motor and coils are located on the bottom of the unit, it must push cold air up into the storage area, increasing energy consumption. If, on the other hand, the cooling unit sits atop the ultra-low temperature freezer, cold air falls naturally into the storage area, eliminating the need for a fan to circulate the cold air, and therefore reducing the machine's energy requirements.
Consider construction in ultra-low temperature freezers.
Check the fit and finish on different ultra-low temperature freezers, because even a tiny gap in the door's or drawer's closure can leak a lot of energy, costing you hundreds of dollars every month. Mass-produced units coming off third-world assembly lines may not meet the same tolerances as those produced by more sophisticated techniques with better tools. Also check the quality and durability of the weather-stripping at all the unit's seals, avoiding plastic and vinyl which tend to harden and leak as they age, opting instead for more advanced composite materials that maintain tight seals over long life-spans.
Mesm have been providing many medical establishments over the years and with their expertise they offer a great service when it comes to Ultra Low Temperature Freezers
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