An economical yet rugged oval gear digital meter for engine oils, anti-freeze & transmission fluids. Aluminum body. Wetted components include Acetal, Nitrile, Steel & Aluminum. 0.26 to 7.8 GPM. 0.5% accuracy. 1/2" FPT Ports. 1500 PSI pressure rating. Temp range: 23-131 Deg. F. Viscosity to 1000 CPS. Battery operated 6 digit display with protective boot shows batch total, reset total, non-reset total & flow rate; will display gallons, liters, quarts or pints. Uses two AAA batteries.