... 4.Address line agreement 5.Exact measurement Diesel flow sensor DN8 (Double ) DFM8 Fuel consumption flow meter, fuel counter, DFM8 Fuel ... Meter DFM8 0.005, fuel consumption flow meter DFM8Ring piston meter for light fuel oil and diesel oil, without register unit, ... display,batch volume, total volumeThe totalizer used low-power-consumption processor and special LCD driver chip. Inner li-battery ...