... SCR, SSR, Current control mul point control KH103 Intelligent PID Level ControllerKH103 used the advanced technology , Modular structure, high quality ... process in various industrial appilcation for temperature . humidity and pressure , level.FeaturesSMT , designed, modular structureUniversal input, T/C, RTD , mA ... temperature0-50 degreeAmbient humidity0-85%RH KH103 Intelligent PID Level Controller