Linearity 0.5% Repeatability 0.2% Accuracy ±1% of reading at rates>0.6 ft/s. ±0.5% with on-site calibration Response Time 0-999 seconds, user-configurable Velocity ±0.03 - ±105 ft/s (±0.01 - ±30 m/s), bi-directional Pipe Size 15mm - 6,000mm Rate Units Meter, Feet, Cubic Meter, Liter, Cubic Feet, USA Gallon, Imperial Gallon, Oil Barrel, USA Liquid Barrel, Imperial Liquid Barrel, Million USA ...