"Measuring flow at parshall weirs
Proflow HULF 90 seriesoOpen channel flowmeters are used for flow measurement in any standard weir. The flowmeter is conssiting of an analyzer with LCD screen and a non-contact ultrasonic level sensor for your measurement needs.
Installation and adjustment of MJK open channel flowmeters is very easy, it is possible to get low or high flow warning with digital outputs, to provide integrated operation with flowmeter or sampling device."