A temperature probe helps people identify systemic issues and execute fixes. Step 1: Wash the thermometer with warm water. Warm water washing can remove any residue from your thermometer probe and help to start the cleaning process. Step 2: Sanitise the thermometer with alcohol. After rinsing in warm water, the thermometer probe should be totally sterile with a cotton swab and rubbing alcohol. Step 3: Refresh the thermometer. It's time to clean the thermometer probe and remove any residual alcohol. Step 4: Allow the thermometer to air dry. Finally, allow the thermometer to air dry in a sanitary environment