How often should a food thermometer be calibrated?

Calibrating a food thermometer is essential for ensuring that it provides accurate temperature readings, which are crucial for food safety. The correct answer emphasizes the importance of calibrating the thermometer before each use and at least once a day, especially in busy food preparation environments. This frequent calibration helps account for any changes that may occur due to misuse, exposure to extreme temperatures, or even natural wear over time.

By calibrating before each use, food handlers can be confident that the thermometer is giving an accurate reading at critical moments, such as cooking meats to safe temperatures or monitoring the storage of potentially hazardous foods. The recommendation to calibrate at least once a day further ensures that, throughout the day, the thermometer maintains accuracy, enhancing food safety and minimizing risks associated with temperature abuse in food service operations. This practice aligns with safe food handling protocols and guidelines set forth by health and safety organizations.