... ,S,N,B thermocouple 2.4 channel display Temp/Humi 3.Big size LCD Introduction 4 channel thermocouple thermo-hygrometer HUATO thermocouple ... 44mm (2.12*1.73 inch)Weight320gAccessoriesTespro analysis software CD, manual, dedicated USB connection cable, 9V battery ,test certificate, ... , warehousing, textile industry, incubator and scientific research fields. 4 channel thermocouple thermo-hygrometer