The basic drill for calibrating a thermometer:
Fill an insulated glass with 60% crushed ice and 40% water. Let it sit for at least five minutes and then insert the sensing part of the thermometer into the cup. Make sure the sensor is in the middle of the glass and at least an inch from the sides, bottom, and top of the glass. Hold it there for 30 seconds or until the dial stops moving or the digital thermometer beeps. Your thermometer should be reading +/- 32º Fahrenheit after 30 seconds. If it’s not, it needs to be recalibrated. The ice point method is the most accurate way to calibrate a thermometer.
If the date inside the unit is within 28 months and it’s out of calibration, please call our sales team. 1.888.388.6372
answered 2 years, 6 months ago
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