Humidity: ±3%RH (25°C, 20 ~ 80%RH) ±4%RH (25°C, 10 ~ 20%RH and 80 ~ 90%RH) ±5%RH (25°C, 0 ~ 10%RH and 90 ~ 95%RH) T1 Temperature: ±0.4°C (at +5°C ~ +60°C) ±0.8°C (at -20°C ~ 5°C and +60°C ~ +80°C) ±0.8°F (at +41°F ~ +140°F) ±1.6°F (at -4°F ~ 41°F and +140°F ~ +212°F) T2 Temperature: -199.9°C ~ 0.0°C: 0.2%rdg ± 1°C -327.9°F ~ 0.0°F: 0.2%rdg ± 2°F 0.0°C ~ 199.9°C: 0.2%rdg ± 0.5°C 0.0°F ~ 199.9°F: 0.2%rdg ± 1°F 200°C ~ 1360°C: 0.2%rdg ± 1°C 200°F ~ 2480°F: 0.2%rdg ± 2°F (apply to mainframe only at 23°C±5°C) Dew Point: 1.0°C/1.8°F |