Detailed Product Description Fuel consumption flow meter(fuel counter;VZO4) Technical Brief of VZO4 OEM Rotary Piston Flow ... consumption flow meterFuel consumption flow meter, fuel counter, VZO4Fuel consumption flow meter, remote LCD totalizerGN® Oil Volume Meter VZ0 4 OEM ... volumeThe totalizer used low-power-consumption processor and special LCD driver chip. Inner li-battery can support the totalizer ...