Open Channel Flowmeters

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Sewer and Open Channel Flow Meters

Our award-winning Flo-Dar flow meter changed the industry. Flo-Dar and Flo-Tote flowmeters are perfect for long-term metering, short-term studies, billing, I&I, SSES, and much more...

Portable Flow Meters

The Flo-Mate remains the professional's first choice for quick, accurate, and reliable flow monitoring.  Perfect for streams & rivers, sewer spot checks, weir & flume calibrations, and many other open-channel flow applications.

Data Delivery Services

A new approach to sewer flow metering!  All the accuracy and reliability you've come to expect from Marsh-McBirney without the capital expense of purchasing a flow meter. You only pay for good, quality data.

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