Ultrasonic Water Meter ensures pinpoint accuracy and reliability throughout the entire lifetime. Built without any moving parts, the meter allows for completely flexible mounting and offers extremely low start flows, secured hygiene as well as no loss of accuracy over time. For over 30 years, ultrasonic meters have had unrelenting precision whether they are installed in the cold of Iceland or the heat of the Middle East. ;http://www.shmeter.com/ultrasonic-water-meter/