Food Thermometer Calibration Kit Buying Guide

Contents vary, but kits may include an insulated vessel, probe holder, reference thermometer, instructions and record forms or certificates.

You can check many kitchen thermometers with a carefully prepared ice bath. Adjustment depends on the model and its instructions.

USDA describes both and identifies ice water as best for most food thermometers. Boiling point changes with altitude and atmospheric conditions.

Some instruments allow electronic adjustment, while many do not. A mechanical calibration nut is commonly associated with adjustable dial thermometers.