No single measurement technology is suitable for all open channel flow monitoring applications. Only Isco offers you a choice of ultrasonic, submerged probe, bubbler, and area velocity flow meters. Whether you need a permanent meter for a flume or weir, short term measurement with no primary device, or flow and pump performance monitoring at a lift station, Isco has the solution. And our application experts are available for a free, no obligation consultation to help you choose the best technology for your monitoring sites.