Calibrate an Instant Read Thermometer

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Taking the internal temperature of a steak for the perfect doneness is easy with an instant read thermometer. Thermometers are also incredibly useful for checking the doneness of poultry so it can be cooked through and safely consumed. However, thermometers can loose their accuracy after many uses. Calibrating an instant read thermometer is very easy to do and takes no time at all. Plus, you’ll have perfectly cooked meat every time. So here’s how to calibrate a thermometer!

Important Note: These instructions are specifically for instant read thermometers. A digital thermometer has to be adjusted by a professional or by specific brand instructions.

1) Start by filling a large glass or mug with plenty of ice and water. Give the mixture a good stir so the water can get very cold.

2) Insert your instant read thermometer into the ice water and let it sit for a few minutes. The thermometer should read 32 degrees Fahrenheit (0 degrees Celsius). If it doesn’t read this number, take a small wrench and turn the top dial to adjust, making sure to keep the thermometer submerged in the ice water the entire time. If you take it out of the water, the temperature will change and you won’t be able to adjust the temperature accurately. Now it’s ready to use!

* Cook’s Note: Instant read thermometers typically come in a plastic sleeve or case, and some of these cases are built with a “wrench” to adjust the top dial when calibrating a thermometer. If your instant read thermometer does not come with this feature, a small wrench works just as well.