1.temperature and humidity controller 2.30 segments program 3.PID ... 0.25FS AI-518P Programmable temperature and humidity controllerIdeal for accurate controls of temperature, pressure, ... flow, level, humidity etc Main Features:Add 30 segments program control ... value is 50ppm/°C)Response time≤0.5s ( when digital filter parameter dL=0)InputThermocouple: K, S, R, ...