LM SERIES OVERVIEWThe GPI LM Digital Oil Meter Series is an electronic disc meter for use with motor oil, gear oil, hydraulic oil, antifreeze, ATF, and waste oil. The LM-300 can measure a flow range of 8-80 QPM (7.5-76 L/min), and the LM51DN can measure a flow range of .25-8 GPM (1-30 L/min).BENEFITS INCLUDE:Gallons, litres, pints or quarts display.Designed with oval rotors for optimum accuracyEngine oils, transmission fluid (maximum viscosity SAE 140) or antifreezePECIFICATIONSFlow Range: 8-80 QPM (7.5-75 LPM)Operating Environment: Outdoor, oper ating temperature range of 0° F to +130° F (-18° C to +54° C). Electronic Nutating Disc designed for mounting on hoses or pumps of fluid transfer systems.Calibration: Use FAC calibration for fluids up to 20 centipoise such as cutting fluids, mineral oils or ATF.Use field calibration for fluids from 20 to 500 centipoise viscosity such as oils over 10 weight.Power: 9 Volt alkaline batteryMaximum Working Pressure: 50 PSIG (3.4 bar)Maximum Display Value: 999,999 (x100)AccuracyFactory Calibration: ± 2%Field Calibration: ± 0.5%MaterialsHousing: PBT PolyesterSeals: VitonWetted Parts: PBT Polyester, 303/304 Stainless Steel, FerriteMechanicalInlet: 1 inch NPT femaleOutlet: 1 inch NPT maleBushings Supplied1 inch NPT female x 3/4 inch NPT reducer nipple1 inch NPT male x 3/4 inch NPT female reducer bushingDimensionsHeight: 4 inches (10.3 cm)Depth: 3.1 inches (8.1 cm)Width: 6 inches (15.2 cm)Shipping Weight 3 lbs. (1.4 kg)Storage Temperature -40° F to +158° F (-40° C to +70° C)