What is tha temperature of deep freezer?

Deep freezers are designed to maintain very low temperatures for the purpose of preserving food over long periods of time. The specific temperature range of a deep freezer can vary depending on the model and manufacturer, but typically it falls between -18 degrees Celsius (0 degrees Fahrenheit) and -23 degrees Celsius (-9 degrees Fahrenheit).

Temperatures below this range (colder than -23 degrees Celsius/-9 degrees Fahrenheit) are considered to be "ultra-low" or "cryogenic" temperatures and require specialized equipment and techniques. Such temperatures are often used for specialized scientific or medical purposes.

It is important to note that the temperature inside a deep freezer can fluctuate slightly due to factors such as frequent door openings, the amount of food stored, and the ambient temperature of the room where the freezer is located. To ensure the optimal preservation of food, it is recommended to monitor the temperature regularly and keep it within the recommended range.