The SoundWater Orcas is a portable ultrasonic flow meter that operates using transit time method. It is designed for speed and ease, allowing you to set up quickly and begin taking measurements in under a minute. The battery powered flow meter uses your IOS or Android powered smartphone/tablet for setup and to display process measurements wirelessly. You can monitor flow in various metal and plastic pipes, ranging in size from 1/2″ to 36″. There are many advantages to using ultrasonic flow meters: non-invasive , no pressure loss, low maintenance, fast installation, no need to stop process during installation.