4 channel thermocouple thermo-hygrometer 1.Support: K,J,E,T,R,S,N,B thermocouple 2.4 channel display Temp/Humi 3.Big ... size LCD Introduction 4 channel thermocouple thermo-hygrometer HUATO thermocouple data logger is a rapid, ... ,N,BMeasuring range-200~1800°C TECHNICAL PARAMETERSSampling rateFastest 1/sec, from 1 to 240 seconds can be setPower supply9V block batteryDisplayLarge ...