... input Relay, SCR, SSR, Current control mul point control KH103 Intelligent PID Level ControllerKH103 used the advanced technology , Modular structure, ... in various industrial appilcation for temperature . humidity and pressure , level.FeaturesSMT , designed, modular structureUniversal input, T/C, RTD , ... the screen as well as on site from a remote place via RS485, RS232 serial interface. MODBUS-RTU ...