Ultrasonic meter
Badger Meter's Cold Water Engineered Polymer Meters are available in two sizes: 5/8" x ¾ " and ¾" with no moving parts. They employ solid-state electronic technology in a totally encapsulated, weatherproof and UV-resistant housing to provide long-term, highly accurate flow measurement for utilities. The 5/8" x ¾" meter has an operating range of 0.1-25 gpm, with an extended flow rate of 0.05 gpm. The ¾" meter has an operating range of 0.1-32 gpm, with an extended low flow rate of 0.05 gpm.
Badger Meter
www.badgermeter.com