Food Thermometer Accuracy: Checks and Common Errors

Use the tolerance stated for the exact model and temperature range. For food safety, a stable known error should be corrected through approved calibration or by replacing the instrument.

Prepare a cup densely packed with ice and enough water to fill the gaps, stir, and place the sensing area in the center without touching the container. Follow the manufacturer's stabilization and adjustment instructions.

They may be sensing different spots, have different response times or carry different tolerances. Put both sensing areas together in the same controlled check before deciding that one is wrong.

Yes. The full sensing area must be inside the target section, and its position varies by design. Read the manual and use side insertion for thin foods when needed.

No. Some offer a user calibration function and others do not. Never improvise an adjustment that the manufacturer does not document.