How to Calibrate a Thermometer Using an Ice Bath

Regularly verifying the accuracy of your thermometers is essential for reliable temperature readings.

One of the simplest and most effective methods is the ice bath (ice slurry) test. However, it’s important to prepare the ice bath correctly—if not done properly, the test can be inaccurate by several degrees.

Watch the video below from ThermoWorks for a clear, step-by-step guide on how to perform the ice bath test correctly and ensure precise results. Electronic Temperature Instruments (ETI) products used in the below demonstration.