... real manufacture of ultrasonic flow meter,water meter,calorimeter,ultrasonic thickness gauge,flaw detector. Model style ultrasonic flow meterTechnology features ... of the last 30 times, realize to compensate by hand or automatically,read the datas through Modbus communication ... : SEYV75-2 style special shielded twisted pair cable8: ultrasonic thickness gauge(measure the thickness of pipe,reduce error, ...