Winco TMT-CDF5 3 Inch Dial Candy Deep Fry Thermometer with Adjustable IndicatorIncludes built in clip Adjustable indicator Dual temperature display (F C) Wide temperature range 100 to 500F; 40 to 260C Calibration Instructions: Calibration on this unit should done with a cold bath at 32F(0C) for a more accurate calibration. Fill cup with ice and top off with cold water and stir for 30 seconds. Insert probe into cup at least 1" deep for 15 seconds or until the temperature reading stabilizes. Keep the probe from touching the sides