Flow Measurement

Ultrasonic flow meters use sound waves to determine the velocity of a fluid flowing in a pipe, river or open channel. Some of the most popular techniques to measure flow include: time of flight (or transit time), Doppler or correlation method. These methods are also used in wastewater processing for monitoring effluent discharge using weirs and flumes. The height of the water in the channel, going over the weir or flume, is directly proportional to the flow rate. System designers can work with our transducer experts to select the most appropriate air ranging or flow monitoring transducers for these demanding applications. We also offer custom solutions.

The many benefits of the Airmar’s flow transducers include:

  • Wide range of frequencies from 500kHz to 1MHz
  • Stainless Steel, PEEK or custom housing options for challenging environments


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