Transit Time/ Doppler type Ultrasonic Flow Meter measures only the velocity of the medium. The Ultrasonic Flow Meter consists of a pair of Piezo electric ultrasound emitting transceivers that are installed on the pipeline, making 45 Degree angle, opposite to each other. The Ultrasonic Flow Meter is available in transit time and doppler type versions. Transit Time/ Doppler type Ultrasonic Flow Meter ensures optimum functionality for longer period of time.