V notch flow meter.
V notch flow meter 7 l/s) with round orifice 5 to 180 gpm (0. Leakage measurement is one of the most important indicator of the overall performance of earth/rock-fill and concrete dams. 63 to 20 l/s) Flow Range for 10 inch (250 mm) Insert with V-notch weir 1 to 230 gpm (0. This enables us to accurately measure the flow, by measuring the head upstream of the V notch. flow meter or module, which is suspended from a rung or other means inside the manhole. " What is a V notch weir? V notch weirs really are just that – a thin plate weir with a ‘V’ notch cut into it. We offer weirs made of fiberglass or steel. Alternatively it is possible to install flow sensors in the channel or stream itself. 5°, as might be expected. Our V-Notch tanks are designed and manufactured in the UK at our Stafford facility.