To use the boiling point method:

How to calibrate a digital thermometer. Do not let the stem touch the bottom of container. Immerse the food thermometer stem a. You will want to calibrate the thermometer before you use it for the first time to.

Fill a large bowl with ice and cold water; Add enough cold water so that at least 2 inches of the bowl is filled. Fill a cup with crushed ice.

Fill a deep pan or a glass beaker with distilled water and boil over medium heat. Add clean tap water to the top of the ice and stir well. Perfect placement of a thermometer is the key to accuracy.

An easy way to calibrate your thermometer is to put it in ice water and adjusting it to read. Place the thermometer in the cup. Heat a pot of water to a rolling boil.

Fill a tall glass with crushed ice and add cold water. A quick and easy how to guide on digital thermometer calibration Stir the ice and water for three minutes.

For the most accurate reading, use tweezers or another tool to hold. Thermometers calibrated in boiling water. It might sometimes show a reading of 3% higher or lower than the standard reading (72% or 78%).