Thermistor Thermometer, Thermistor, Number of Channels 3, Includes NIST-Traceable Certificate Yes, Accuracy +/-0.3 Degrees F or +/-0.5 Percent of Reading Whichever is Greater, -40 Degrees to 300 Degrees F/-40 to 150 Degrees C, (1) 9V, 7/8 in H x 2 in W...