Measuring principle: Time difference related principle Flow rate: 0.01~25 m/s Resolution: 0.025 cm/s Repeatability: 0.15% of reading, depending on the application Accuracy: (Fully developed flow field and radial symmetry) Volume flow: ± 1% Reading, depending on the application ± 0.5% of reading, calibrated flow rate: ± 0.5% of reading, depending on the application Measurable medium: all sound conducting fluids, and the volume content of bubbles or solid particles <10%