High-performance pharmaceutical grade refrigerators from North Sciences for superior temperature uniformity and outstanding reliability Pharmaceutical grade refrigerators are used whenever precise temperature control is required. North Sciences PRE series of laboratory refrigerators feature a temperature range of 2 to 10 C which is maintained by a high-efficient non-CFC cooling system. Motorized blowers deliver uniform temperatures and double-paned heated glass doors prevent ice buildup. North Sciences PRE laboratory refrigerators are quiet, producing just 45db. The interior and exterior are powder coated and resistant to chemicals and germs. North Sciences PRE laboratory refrigerators come equipped with alarm and dry contacts for connecting to a remote monitoring system. One interior port for powering shakers, rockers and other pieces of equipment Interior lights go on automatically whenever the door is opened. To protect the compressor from inconsistent voltage, North Sciences PRE refrigerators have a built-in voltage compensator USB port for data recording and downloading.