Non-Intrusive, pressure drop, clamp-on transducer, handle type,portable high quality connect to PC ... than 0.2%,Accuracy: better than ± 1%Non-intrusivemeasuringNon-Intrusive, clamp-on transducer, on pressure drop,no pipe disturbanceWide measuring rangeSeveral ... logger, store over 2000 linesmeasuring data MITECH Handle Ultrasonic Flow Meter