Aluminum 1-Inch Parshall Flume

1-inch Parshall Flume Description: Developed in 1960 at the Colorado Agricultural Experiment Station, the 1-inch Parshall flume is commonly used to measure water flowing in creeks, furrows, irrigation canals, and channels. Aluminum Parshall flumes are lightweight and abrasion resistant and are an excellent choice where site access is limited. Material of Construction:   Aluminum Flow Rates:   0.0033 - 0.1945 cfs (cubic feet / second) 1.460 - 87.27 gpm (US gallons / minute) 0.0021 - 0.1257 mid (US million gallons / day) Flow Accuracy: +/- 2-5% (ASTM D1941) Flow Formula (H = feet): Q (cfs) = 0.338 * H^1.55  Q (gpm) = 151.7 * H^1.55 Q (mgd) = 0.2184 * H^1.55  Downloadable flow chart Head: 0.05 - 0.70-feet 0.60 - 8.40-inches Flow Dimensions: Inlet width:  6 19/32-inches Throat width:  1-inch Outlet width:  3 21/32-inches Length:  23-inches Inlet height:  9-inches Throat height:  10 1/2-inches Outlet height:  9 3/4-inches   Downloadable dimensions drawing Installation: Lev