... Modular structure, 0.2 grade designed Used for measure flow control Universal Flow Control Meter KH101 used the advanced technology , Modular structure, high ... on the screen as well as on site from a remote place via RS485, RS232 serial interface. MODBUS-RTU communication protocol ... /RS232, MODBUS-RTU protocol , DCS configuration softwarePower85-240VAC , 24VDC option Universal Flow Control Meter