Greyline Instruments Inc. 16456 Sixsmith Drive , Long Sault , Ontario K0C 1P0 Canada About Solutions products applications industries Publications videos articles Latest news Downloads Companies Greyline Instruments Inc. Videos Greyline AVFM 5 0 Area Velocity Flow Meter - Video Greyline AVFM 5 0 Area Velocity Flow Meter - Video 0 Share See the Greyline AVFM 5.0 Area-Velocity Flow Meter in action measuring water flow in a 32-inch corrugated culvert. Most popular related searches water velocity meter area velocity flow meter water flow meter water flow measurement flow meter EN1822-5 culvert oil-in-water measurement water metering water meter Customer comments No comments were found for Greyline AVFM 5 0 Area Velocity Flow Meter - Video. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!