... involves characteristics of Target Flow meter, Hole Board Flow meter and Turbine Flow meter, but also measure accuracy comparable ... ,gas etc. what make our target flow meter better and different than other flow meters are as ... base oil...but, we can2.target mode flow meter can anti-interfere.eg. even near the pump, ... hang weight method to test the flow meter.l LCD display.l 4-20mA, 0-10V, impulse, and ...