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Lab Refrigerator and Freezer Temperature Capability. Laboratory refrigerators typically operate from 2â°C to 10â°C and freezers from -10â°C to -25â°C although there are exceptions based on models. Low-temperature freezers again depending on models are available for temperatures to â 25â°, -30â° and -40â°C.Ultra-low temperature freezers can be set from -50â° to -86â°C.ndercounter/Countertop Laboratory Refrigerators and Freezers. Undercounter, countertop and stackable lab freezers and refrigerators are great for saving space but are more susceptible to temperature fluctuations because of their size.
Instructions. Press the + or - button for the refrigerator or freezer once and wait five seconds for the current temperature to display on the digital readout. The factory preset temperatures are 0 degrees for the freezer and 37 degrees for the refrigerator.If the temperature setting has been changed at some point the display will read lower or higher. Lower the unit temperature by depressing the - button until the digital readout shows the desired temperature.The lowest recommended temperature for the refrigerator is 34 degrees F. and -6 degrees F. for the freezer.f the temperature setting has been changed at some point the display will read lower or higher. Lower the unit temperature by depressing the - button until the digital readout shows the desired temperature. The lowest recommended temperature for the refrigerator is 34 degrees F. and -6 degrees F. for the freezer.