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:Do not use with flammable fluids or antifreeze that exceeds 50% water.Display reads Gallons, litres, pints or quartsELECTRICALType:Nutating DiscPowered By:(1) 9 Volt Alkaline BatteryPERFORMACEWorking Pressure:50 PSI (3.45 bar)Max Working Temp:0° F to 130° F (-18° C to 54° C)Accuracy:2Flow Range:8 - 80 QPM (7.5 - 76 L/min)MECHANICALInlet:1 in. FNPTOutlet:1 in. FNPTDISPLAYTotals:6-Digit LCDField Calibration:YesMATERIALSHousing:PBT PolyesterWARRANTY STATEMENT2-yr meter warrantyUPC031401000337