Digital Flow Meter For Use With Low Viscosity Fluids. Easy To Install And Equipped With An Easy To Read; Compact Screen. Thanks To Its Strong Casing And Sealed Plug In Electronic Card; This Sturdy Meter Can Be Used In Practically All Conditions. The Micro Processor Is Powered By Two Easily Replaceable Long Lasting Batteries. Precision +Plus Minus 1%; Max Flow Rate 120?/Min (With Diesel Fuel).