Table of Contents

114.5 T1 P : Pressure drop between the static pressure tapping ports [bar] P1 : Pressure of the upstream tapping port [bar gauge] P2 : Pressure of the downstream tapping port [bar gauge]:P2 = P1 P Q : Flow rate [dm3/s standard condition] Pa : Atmospheric pressure [bar absolute] T1 : Test conditions of the upstream absolute temperature [K] is < P1 + Pa = 6.5 0.2 bar absolute, T1 = 297 5K