... real manufacture of ultrasonic flow meter,water meter,calorimeter,ultrasonic thickness gauge,flaw detector. Model style ultrasonic flow meter/calorimeterTechnology features:1: ... to make calorimeter has the function of displaying heat quantity. Three channel 4-20mA input optional, ... SEYV75-2 style special shielded twisted pair cable8: ultrasonic thickness gauge(measure the thickness of pipe,reduce ...