NSF Thermocouple Thermometer, Thermocouple, Includes NIST-Traceable Certificate Yes, Accuracy +/-0.5 Degrees F/+/-0.3 Degrees C, -100 Degrees to 999 Degrees F/-73 Degrees to 537 Degrees C (Thermocouple), (2) AAA, 1/2 in H Display with 4-Digit Backlit...