... is carefully designed for portability and ease of use. Linearity0.5%Repeatability0.2%Accuracy ±1% of reading at rates>0.2 ... , user-configurableVelocity±32 m/sPipe Size 20mm-6000mmRate UnitsMeter, Feet, Cubic Meter, Liter, Cubic Feet, USA Gallon, Imperial Gallon, Oil Barrel, USA Liquid Barrel ...