Aluminum 12-Inch Parshall Flume

12-inch Parshall Flume Description: The 12-inch Parshall flume is useful for measuring both water rights / irrigation flows as well as surface waters and field runoff. Aluminum flumes are lightweight and abrasion resistant and are an excellent choice where site access is limited and portability is a concern. Material of Construction:   Aluminum Flow Rates:   0.1202 - 16.13 cfs (cubic feet / second) 53.97 - 7,240 gpm (US gallons / minute) 0.0777 - 10.43 mgd (US million gallons / day) Flow Accuracy: +/- 2-5% (ASTM D1941) Flow Formula (H = feet): Q (cfs) = 4 * H^1.522  Q (gpm) = 1,795 * H^1.522 Q (mgd) = 2.585 * H^1.522  Downloadable flow chart Head: 0.10 - 2.50-feet 1.20 - 30.00-inches Flow Dimensions: Inlet width:  33 1/4-inches Throat width:  12-inches Outlet width:  24-inches Length:  112 7/8-inches Inlet height:  36-inches Throat height:  45-inches Outlet height:  39-inches   Downloadable dimensions drawing Installation: Level: Front-to-back and side-to-side Upstre