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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.
ADJUSTING FREEZER TEMPERATURE: Press the FREEZER button to cycle through the range of available settings. When you find the right setting, stop. -4Â°F is the minimum recommended temperature setting for normal ice production. ADJUST REFRIGERATOR TEMPERATURE: Press the REFRIGERATOR button to cycle through the range of available settings. When you find the right setting, stop. The preferred temperature for many is between 35Â°F and 38Â°F. TEMPERATURE DISPLAY: To change the temperature display from Fahrenheit to Celsius, simultaneously press and hold the FREEZER and REFRIGERATOR buttons for approximately 5 seconds.