• 1.5% Accuracy • Automatic "ON" with fluid flow - Automatic "OFF" 5-minutes after fluid flow stops • Lithium batteries (3N Series) • 6-digit LCD display with two-place floating decimal point for both batch (resettable) and Cumulative totals (999999) • Factory calibrated in U.S. gallons for non-viscous fluids such as water. Field calibration for viscous liquids, gallons, quarts, pints. Nylon bodies and turbines, Tungsten carbide shafts and ceramic bearings.