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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.
1 In units with an electronic control panel, the factory settings of 38Â°F (3Â°C) in a refrigerator and 00Â°F (-18Â°C) in a freezer are ideal food storage temperatures as they cover most foods.  Setting the temperature higher or lower than factory settings will cause the unit to run more or less, according to set temperature.