Attributes . Internal Range: -4 to 140°F (-20 to 60°C); Accuracy: ±0.9°F (±0.5°C) internally and for types J, K, T, E, and N, ±3°F (±2°C) for types R, S, and B; Resolution: 0.2°F (0.1°C) internally and for types J, K, T, E, and N, 0.9°F (0.5°C) for types R, S, and B . Names