FEATURES Fixed Pulse RateWide Measuring Range (2 to 40 l / min)High Precision Measurement ±0.5% or ± 1% therefore reliable measured variablesHigh Quality Sapphire bearing, low abrasion and extremely long running period.Specially designed guiding blades ensure uniform flow to the rotor from four sides, thus tremendous reduction of wear.Insensitive against pressure peaks, Providing reliable measurement variables even under difficult condition.Any Position can be versatile installed.