Just thought I would post here the Calibration or Re-calibration instructions for the Tel-Tru thermometer. In short you want to boil the thermometer, then use the adjustment nut on the back to dial the needle in at 212F.
Just thought I would post here the Calibration or Re-calibration instructions for the Tel-Tru thermometer. In short you want to boil the thermometer, then use the adjustment nut on the back to dial the needle in at 212F.