... the real manufacture of ultrasonic flow meter,water meter,calorimeter,ultrasonic thickness gauge,flaw detector. Model style ultrasonic flow meterTechnology features:1:operating power ... clamp-on transducer(standard S1 style,standard M1 style,high temperature S1H,high temperature M1H)2:insertion transducer(standard insertion B, ... of pipe,reduce error,increase accuracy) module style ultrasonic flow meter