... output function, Support K,E,J,T,N,B,R,S thermocouples, Dual display, Record function. DM6803A+ 4 1/2 Dual display intelligent digital ... thermomterFeatures:1.Temperature measuring (accuracy±0.3%) and alarming output function;2.Support K,E ... temperature automatic saving;4.°C and °F display;5.Dual display: display max .min and relative mV value of input ...