... the real manufacture of ultrasonic flow meter,water meter,calorimeter,ultrasonic thickness gauge,flaw detector. Model style ultrasonic flow meterTechnology features:1 ... platinum resistor(used for calorimeter)6: fixture(applied with installation of transducers on cast iron,GRP,PVC,etc ... SEYV75-2 style special shielded twisted pair cable8: ultrasonic thickness gauge(measure the thickness of pipe,reduce ...