Y37713 Digtal oil flow meter gun Specification Inlet diameter: 1/2"NPT-1/2"F Outlet diameter: 1/2"NPT-1/2"F Delivery capacity: 1-35L/Min. Pressure scope: 0.5bar - 50bar Oil temperature: Max. 60 Tolerance: -0.5% Accurate unit: 0.01L Measuring unit: Litre Viscosity: Max. SAE 240(8-5000mPas) Net Weight: 1.4Kg Feature Apply to engine oil, gear oil, automatic gear-box oil, hydraulic oil, antifreeze and similar products of precision filling; Filling the total memory, a single volume displays filling function; 5 easy to read LCD display, a 3V battery-powered; Automatic power-saving mode. Real-time error coefficient of calibration, easy to operate; Multi-unit selection With anti-drip function, anti-drip muzzle Rotary Joints 1 / 2 "easy to use, anti-collision switch design.