Preso’s patented Ellipse Pitot tube DP flow meter offers the highest accuracy and lowest pressure loss of any pitot tube on the market today. Typical performance specifications include +/- 0.75% accuracy, 0.1% repeatability and 17:1 turndown ratio. Typical pressure loss is 3% in a 12” (300 mm) line, with no noise transmission. NIST-traceable calibration also available. The Preso Ellipse is available for liquids, air, gas or steam, in pipe sizes from 2" (50 mm) to 72" (1830 mm) and larger.
