Thermometers should be calibrated: before use; if dropped; when going from one temperature range to another; and after a long storage time.
When should thermometers be calibrated Servsafe?
Thermometers should be calibrated before their first use, after they have been dropped or after they have gone from one temperature extreme to the other. There are two methods to properly calibrate a probe thermometer. The ice-water method is the safest and most accurate method.
How do you calibrate a bimetallic stemmed thermometer?
Bimetallic stemmed thermometers are calibrated using the ice-point method. Calibrate on a regular basis and after using the thermometer with very hot or very cold foods, or after dropping or jarring it. In a clean styrofoam cup, make an ice water slush by filling the cup halfway with ice cubes and the rest with water.
How often should a thermometer be calibrated?
Thermometers should be calibrated: before use; if dropped; when going from one temperature range to another; and after a long storage time.
How often should the thermometer or datalogger be calibrated?
Although not mandatory, it is good practice to have all loggers under your control re-calibrated on an annual basis, providing confidence in the accuracy and therefore peace of mind. Once every twelve months is a standard time period between calibrations.
What temperature should a bimetallic stemmed or digital thermometer be calibrated to?
For a bi-metallic stemmed thermometer, wait until the needle stops moving then use a small wrench to turn the calibration nut until the thermometer reads 212°F. NOTE: Accuracy of digital thermometers should be verified using ice point methods steps 1-6 or boiling point method.