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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.
Normally a domestic freezer is best set to â18 Â°C (0 Â°F) or colder, as that's what the expiration dates for many food items are based on. It's also a requirement for freezers in restaurants, supermarkets & other places that sell food (at least here in Europe) to maintain a temperature of at most -18 Â°C.n order to keep food out of the Danger Zone, your fridge must be set between 32-40Â°F (0-4Â°C). Your freezer must be below 32Â°F (0Â°C). I keep mine as cold as it will go.