American Lube TIM-717-2 In-Line Digital Meter with 1"(F) Inlet/OutletAmerican Lube TIM 717 2 In Line Fluid Meters Allow For Easy Monitoring Of Fluid Dispensing. The Following Digital Electronic Meters Include Two (2) 1. 5V "N" Style Batteries (Aaa Batteries). Accuracy Within The Flow Range Is . 5%, And Repeatability Is . 2%. All Meters Except 1 2" Version Include Inlet Filter Screen. In Line Digital Meter Has A 1"(F) Inlet Outlet, Metered Units In Gallons, Totalizer Units Gallons, Working Flow 2. 6 26 Gallons Minute