Thermocouple Thermometer CENTER-307 Features: Single TI (307) Dual input: T1, T2 simultaneously display (308) K-type thermocouple time setting function automatically shut MAX MIN reading lock locked Resolution: 0.1 ° C 0.1 ° F Display: 3 1/2 digit LCD CENTER-307 Thermocouple Thermometer Specifications | Parameter 3 1/2 digit LCD display measuring range -200 ~ 1370 ℃ -328 ~ 2498 ° F Resolution: 0.1 ℃, 1??? ℃, 0.1 ° F, 1 ° F Input Protection 60V DC, or 24Vrms AC Operating Environment 0 ℃ ~ 50 ℃; 0 ~ 80% RH Storage environment -10 ℃ to 60 ℃;? 0 ~ 80% RH operating altitude of 2000m above sea level The following measurement accuracy: Range Accuracy -200 ℃ ~ 200 ℃ ± (0.3% reading + 1 ℃) 200 ℃ ~ 400 ℃ ± (0.5% reading + 1 ℃) 400 ℃ ~ 1370 ℃ ± (0.3% reading + 1 ℃)