Dual Temperature Thermometer Thermocouple Number of Channels 1 Includes NIST-Traceable Certificate No Accuracy +/-0.3 Percent +1.8 Degrees F/1 Degrees C (32 Degrees to 1 100 Degrees F/0 Degrees to 600 Degrees C) +/-0.4 Percent +1.8 Degrees F/1 Degrees C (1 100 Degrees to 2 462 Degrees F/600 Degrees to 1 350 Degrees C) +/-3 Degrees F/+/-1.6 Degrees C (-58 Degrees to 32 Degrees F/-50 Degrees to 0 Degrees C) -58 Degrees to 2 462 Degrees F/-50 Degrees to 1 350 Degrees C (RTD and Thermocouple)